Merge tag 'v0.18.0' into v0.18.0-ori

.buildkite/hardware_tests/amd.yaml

-group: Hardware
+group: Hardware - AMD Build 
 steps:
   - label: "AMD: :docker: build image"
+    key: image-build-amd
     depends_on: []
     device: amd_cpu
     no_plugin: true
@@ -9,7 +10,7 @@ steps:
       docker build
       --build-arg max_jobs=16
       --build-arg REMOTE_VLLM=1
-      --build-arg ARG_PYTORCH_ROCM_ARCH='gfx90a;gfx942'
+      --build-arg ARG_PYTORCH_ROCM_ARCH='gfx90a;gfx942;gfx950'
       --build-arg VLLM_BRANCH=$BUILDKITE_COMMIT
       --tag "rocm/vllm-ci:${BUILDKITE_COMMIT}"
       -f docker/Dockerfile.rocm

.buildkite/hardware_tests/cpu.yaml

@@ -21,6 +21,20 @@ steps:
       pytest -x -v -s tests/kernels/moe/test_cpu_fused_moe.py
       pytest -x -v -s tests/kernels/test_onednn.py"
 
+- label: CPU-Compatibility Tests
+  depends_on: []
+  soft_fail: true
+  device: intel_cpu
+  no_plugin: true
+  source_file_dependencies:
+  - cmake/cpu_extension.cmake
+  - setup.py
+  - vllm/platforms/cpu.py
+  commands:
+    - |
+      bash .buildkite/scripts/hardware_ci/run-cpu-test.sh 20m "
+      bash .buildkite/scripts/hardware_ci/run-cpu-compatibility-test.sh"
+
 - label: CPU-Language Generation and Pooling Model Tests
   depends_on: []
   soft_fail: true

.buildkite/image_build/image_build.sh

@@ -8,7 +8,7 @@ clean_docker_tag() {
 }
 
 print_usage_and_exit() {
-    echo "Usage: $0 <registry> <repo> <commit> <branch> <vllm_use_precompiled> <vllm_merge_base_commit> <cache_from> <cache_to>"
+    echo "Usage: $0 <registry> <repo> <commit> <branch> <image_tag> [<image_tag_latest>]"
     exit 1
 }
 
@@ -142,11 +142,16 @@ resolve_parent_commit() {
 
 print_bake_config() {
     echo "--- :page_facing_up: Resolved bake configuration"
-    BAKE_CONFIG_FILE="bake-config-build-${BUILDKITE_BUILD_NUMBER:-local}.json"
+    # Write to a temp directory to avoid polluting the repo root (which is the
+    # Docker build context). Files left in the repo root get COPY'd into the
+    # image and can cause duplicate artifact uploads from downstream steps.
+    local bake_tmp
+    bake_tmp="$(mktemp -d)"
+    BAKE_CONFIG_FILE="${bake_tmp}/bake-config-build-${BUILDKITE_BUILD_NUMBER:-local}.json"
     docker buildx bake -f "${VLLM_BAKE_FILE_PATH}" -f "${CI_HCL_PATH}" --print "${TARGET}" | tee "${BAKE_CONFIG_FILE}" || true
     echo "Saved bake config to ${BAKE_CONFIG_FILE}"
     echo "--- :arrow_down: Uploading bake config to Buildkite"
-    buildkite-agent artifact upload "${BAKE_CONFIG_FILE}"
+    (cd "$(dirname "${BAKE_CONFIG_FILE}")" && buildkite-agent artifact upload "$(basename "${BAKE_CONFIG_FILE}")")
 }
 
 #################################
@@ -154,7 +159,7 @@ print_bake_config() {
 #################################
 print_instance_info
 
-if [[ $# -lt 7 ]]; then
+if [[ $# -lt 5 ]]; then
     print_usage_and_exit
 fi
 
@@ -163,10 +168,8 @@ REGISTRY=$1
 REPO=$2
 BUILDKITE_COMMIT=$3
 BRANCH=$4
-VLLM_USE_PRECOMPILED=$5
-VLLM_MERGE_BASE_COMMIT=$6
-IMAGE_TAG=$7
-IMAGE_TAG_LATEST=${8:-} # only used for main branch, optional
+IMAGE_TAG=$5
+IMAGE_TAG_LATEST=${6:-} # only used for main branch, optional
 
 # build config
 TARGET="test-ci"
@@ -193,8 +196,6 @@ export CACHE_FROM
 export CACHE_FROM_BASE_BRANCH
 export CACHE_FROM_MAIN
 export CACHE_TO
-export VLLM_USE_PRECOMPILED
-export VLLM_MERGE_BASE_COMMIT
 
 # print args
 echo "--- :mag: Arguments"
@@ -202,8 +203,6 @@ echo "REGISTRY: ${REGISTRY}"
 echo "REPO: ${REPO}"
 echo "BUILDKITE_COMMIT: ${BUILDKITE_COMMIT}"
 echo "BRANCH: ${BRANCH}"
-echo "VLLM_USE_PRECOMPILED: ${VLLM_USE_PRECOMPILED}"
-echo "VLLM_MERGE_BASE_COMMIT: ${VLLM_MERGE_BASE_COMMIT}"
 echo "IMAGE_TAG: ${IMAGE_TAG}"
 echo "IMAGE_TAG_LATEST: ${IMAGE_TAG_LATEST}"
 

.buildkite/image_build/image_build.yaml

@@ -5,8 +5,7 @@ steps:
     depends_on: []
     timeout_in_minutes: 600
     commands:
-    - if [[ "$BUILDKITE_BRANCH" != "main" ]]; then .buildkite/image_build/image_build.sh $REGISTRY $REPO $BUILDKITE_COMMIT $BRANCH $VLLM_USE_PRECOMPILED $VLLM_MERGE_BASE_COMMIT $IMAGE_TAG; fi
-    - if [[ "$BUILDKITE_BRANCH" == "main" ]]; then .buildkite/image_build/image_build.sh $REGISTRY $REPO $BUILDKITE_COMMIT $BRANCH $VLLM_USE_PRECOMPILED $VLLM_MERGE_BASE_COMMIT $IMAGE_TAG $IMAGE_TAG_LATEST; fi
+    - if [[ "$BUILDKITE_BRANCH" == "main" ]]; then .buildkite/image_build/image_build.sh $REGISTRY $REPO $BUILDKITE_COMMIT $BRANCH $IMAGE_TAG $IMAGE_TAG_LATEST; else .buildkite/image_build/image_build.sh $REGISTRY $REPO $BUILDKITE_COMMIT $BRANCH $IMAGE_TAG; fi
     retry:
       automatic:
         - exit_status: -1  # Agent was lost

.buildkite/image_build/image_build_cpu.sh

@@ -11,10 +11,10 @@ REPO=$2
 BUILDKITE_COMMIT=$3
 
 # authenticate with AWS ECR
-aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin $REGISTRY
+aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin "$REGISTRY"
 
 # skip build if image already exists
-if [[ -z $(docker manifest inspect $REGISTRY/$REPO:$BUILDKITE_COMMIT-cpu) ]]; then
+if [[ -z $(docker manifest inspect "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-cpu) ]]; then
   echo "Image not found, proceeding with build..."
 else
   echo "Image found"
@@ -24,13 +24,11 @@ fi
 # build
 docker build --file docker/Dockerfile.cpu \
   --build-arg max_jobs=16 \
-  --build-arg buildkite_commit=$BUILDKITE_COMMIT \
-  --build-arg VLLM_CPU_AVX512BF16=true \
-  --build-arg VLLM_CPU_AVX512VNNI=true \
-  --build-arg VLLM_CPU_AMXBF16=true \
-  --tag $REGISTRY/$REPO:$BUILDKITE_COMMIT-cpu \
+  --build-arg buildkite_commit="$BUILDKITE_COMMIT" \
+  --build-arg VLLM_CPU_X86=true \
+  --tag "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-cpu \
   --target vllm-test \
   --progress plain .
 
 # push
-docker push $REGISTRY/$REPO:$BUILDKITE_COMMIT-cpu
+docker push "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-cpu

.buildkite/image_build/image_build_cpu_arm64.sh

@@ -11,10 +11,10 @@ REPO=$2
 BUILDKITE_COMMIT=$3
 
 # authenticate with AWS ECR
-aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin $REGISTRY
+aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin "$REGISTRY"
 
 # skip build if image already exists
-if [[ -z $(docker manifest inspect $REGISTRY/$REPO:$BUILDKITE_COMMIT-cpu) ]]; then
+if [[ -z $(docker manifest inspect "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-arm64-cpu) ]]; then
   echo "Image not found, proceeding with build..."
 else
   echo "Image found"
@@ -24,10 +24,10 @@ fi
 # build
 docker build --file docker/Dockerfile.cpu \
   --build-arg max_jobs=16 \
-  --build-arg buildkite_commit=$BUILDKITE_COMMIT \
-  --tag $REGISTRY/$REPO:$BUILDKITE_COMMIT-cpu \
+  --build-arg buildkite_commit="$BUILDKITE_COMMIT" \
+  --tag "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-arm64-cpu \
   --target vllm-test \
   --progress plain .
 
 # push
-docker push $REGISTRY/$REPO:$BUILDKITE_COMMIT-cpu
+docker push "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-arm64-cpu

.buildkite/image_build/image_build_hpu.sh

@@ -11,10 +11,10 @@ REPO=$2
 BUILDKITE_COMMIT=$3
 
 # authenticate with AWS ECR
-aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin $REGISTRY
+aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin "$REGISTRY"
 
 # skip build if image already exists
-if [[ -z $(docker manifest inspect $REGISTRY/$REPO:$BUILDKITE_COMMIT-hpu) ]]; then
+if [[ -z $(docker manifest inspect "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-hpu) ]]; then
   echo "Image not found, proceeding with build..."
 else
   echo "Image found"
@@ -25,10 +25,10 @@ fi
 docker build \
   --file tests/pytorch_ci_hud_benchmark/Dockerfile.hpu \
   --build-arg max_jobs=16 \
-  --build-arg buildkite_commit=$BUILDKITE_COMMIT \
-  --tag $REGISTRY/$REPO:$BUILDKITE_COMMIT-hpu \
+  --build-arg buildkite_commit="$BUILDKITE_COMMIT" \
+  --tag "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-hpu \
   --progress plain \
   https://github.com/vllm-project/vllm-gaudi.git
 
 # push
-docker push $REGISTRY/$REPO:$BUILDKITE_COMMIT-hpu
+docker push "$REGISTRY"/"$REPO":"$BUILDKITE_COMMIT"-hpu

.buildkite/lm-eval-harness/run-lm-eval-chartqa-vllm-vlm-baseline.sh

@@ -2,7 +2,7 @@
 # We can use this script to compute baseline accuracy on chartqa for vllm.
 #
 # Make sure you have lm-eval-harness installed:
-#   pip install "lm-eval[api]>=0.4.9.2"
+#   pip install "lm-eval[api]>=0.4.11"
 
 usage() {
     echo``
@@ -41,4 +41,4 @@ lm_eval --model vllm-vlm \
   --tasks chartqa \
   --batch_size auto \
   --apply_chat_template \
-  --limit $LIMIT
+  --limit "$LIMIT"

.buildkite/lm-eval-harness/run-lm-eval-gsm-hf-baseline.sh

@@ -2,7 +2,7 @@
 # We can use this script to compute baseline accuracy on GSM for transformers.
 #
 # Make sure you have lm-eval-harness installed:
-#   pip install "lm-eval[api]>=0.4.9.2"
+#   pip install "lm-eval[api]>=0.4.11"
 
 usage() {
     echo``

.buildkite/lm-eval-harness/run-lm-eval-gsm-vllm-baseline.sh

@@ -3,7 +3,7 @@
 # We use this for fp8, which HF does not support.
 #
 # Make sure you have lm-eval-harness installed:
-#   pip install "lm-eval[api]>=0.4.9.2"
+#   pip install "lm-eval[api]>=0.4.11"
 
 usage() {
     echo``

.buildkite/lm-eval-harness/run-lm-eval-mmlupro-vllm-baseline.sh

@@ -3,7 +3,7 @@
 # We use this for fp8, which HF does not support.
 #
 # Make sure you have lm-eval-harness installed:
-#   pip install "lm-eval[api]>=0.4.9.2"
+#   pip install "lm-eval[api]>=0.4.11"
 
 usage() {
     echo``
@@ -20,14 +20,11 @@ usage() {
     echo
 }
 
-while getopts "m:b:l:f:t:" OPT; do
+while getopts "m:l:f:t:" OPT; do
   case ${OPT} in
     m )
         MODEL="$OPTARG"
         ;;
-    b )
-        BATCH_SIZE="$OPTARG"
-        ;;
     l )
         LIMIT="$OPTARG"
         ;;

.buildkite/lm-eval-harness/test_lm_eval_correctness.py

@@ -13,9 +13,10 @@ import os
 from contextlib import contextmanager
 
 import lm_eval
-import numpy as np
 import yaml
 
+from vllm.platforms import current_platform
+
 DEFAULT_RTOL = 0.08
 
 
@@ -63,6 +64,9 @@ def launch_lm_eval(eval_config, tp_size):
         "allow_deprecated_quantization=True,"
     )
 
+    if current_platform.is_rocm() and "Nemotron-3" in eval_config["model_name"]:
+        model_args += "attention_backend=TRITON_ATTN"
+
     env_vars = eval_config.get("env_vars", None)
     with scoped_env_vars(env_vars):
         results = lm_eval.simple_evaluate(
@@ -102,6 +106,8 @@ def test_lm_eval_correctness_param(config_filename, tp_size):
                 f"ground_truth={ground_truth:.3f} | "
                 f"measured={measured_value:.3f} | rtol={rtol}"
             )
-            success = success and np.isclose(ground_truth, measured_value, rtol=rtol)
+
+            min_acceptable = ground_truth * (1 - rtol)
+            success = success and measured_value >= min_acceptable
 
     assert success

.buildkite/performance-benchmarks/README.md

@@ -83,7 +83,6 @@ We test the throughput by using `vllm bench serve` with request rate = inf to co
         "server_parameters": {
             "model": "meta-llama/Meta-Llama-3-8B",
             "tensor_parallel_size": 1,
-            "swap_space": 16,
             "disable_log_stats": "",
             "load_format": "dummy"
         },

.buildkite/performance-benchmarks/scripts/compare-json-results.py

@@ -7,8 +7,10 @@ import argparse
 import html as _html
 import json
 import os
+from contextlib import nullcontext
 from dataclasses import dataclass
 from importlib import util
+from pathlib import Path
 
 import pandas as pd
 
@@ -31,6 +33,45 @@ pd.set_option("display.precision", 2)
 pd.set_option("display.float_format", lambda x: f"{x:.2f}")
 
 
+# -----------------------------
+# Concurrency normalization (NEW, small)
+# -----------------------------
+def _find_concurrency_col(df: pd.DataFrame) -> str:
+    for c in [
+        "# of max concurrency.",
+        "# of max concurrency",
+        "Max Concurrency",
+        "max_concurrency",
+        "Concurrency",
+    ]:
+        if c in df.columns:
+            return c
+
+    for c in df.columns:
+        if "concurr" in str(c).lower():
+            s = df[c]
+            if s.dtype.kind in "iu" and s.nunique() > 1 and s.min() >= 1:
+                return c
+
+    raise ValueError(
+        "Cannot infer concurrency column. "
+        "Please rename the column to one of the known names "
+        "or add an explicit override (e.g., --concurrency-col)."
+    )
+
+
+def _normalize_concurrency_in_df(
+    df: pd.DataFrame, canonical: str = "# of max concurrency."
+) -> pd.DataFrame:
+    if canonical in df.columns:
+        return df
+    detected = _find_concurrency_col(df)
+    if detected in df.columns and detected != canonical:
+        return df.rename(columns={detected: canonical})
+    df[canonical] = pd.NA
+    return df
+
+
 # -----------------------------
 # Core data compare
 # -----------------------------
@@ -50,19 +91,25 @@ def compare_data_columns(
     - Concat along axis=1 (indexes align), then reset_index so callers can
       group by columns.
     - If --debug, add a <file_label>_name column per file.
+
+    Minimal fix to support different max_concurrency lists across files:
+      - normalize concurrency column naming to "# of max concurrency."
+      - align on UNION of keys (missing points become NaN)
+      - BUGFIX: don't drop throughput rows based on P99/Median presence
     """
     print("\ncompare_data_column:", data_column)
 
     frames = []
     raw_data_cols: list[str] = []
-    compare_frames = []
 
+    # Determine key cols after normalizing concurrency
     cols_per_file: list[set] = []
     for f in files:
         try:
             df_tmp = pd.read_json(f, orient="records")
         except Exception as err:
             raise ValueError(f"Failed to read {f}") from err
+        df_tmp = _normalize_concurrency_in_df(df_tmp, canonical="# of max concurrency.")
         cols_per_file.append(set(df_tmp.columns))
 
     key_cols = [c for c in info_cols if all(c in cset for cset in cols_per_file)]
@@ -73,12 +120,25 @@ def compare_data_columns(
             "No common key columns found from info_cols across the input files."
         )
 
-    meta_added = False
+    union_index = None
+    metas: list[pd.DataFrame] = []
+    staged: list[tuple[str, pd.Series, pd.Series | None]] = []
 
     for file in files:
         df = pd.read_json(file, orient="records")
-
-        if drop_column in df.columns:
+        df = _normalize_concurrency_in_df(df, canonical="# of max concurrency.")
+
+        # BUGFIX: only drop rows for latency-like metrics; throughput rows may have
+        # NaN in P99/Median columns even if the column exists in the JSON.
+        metric_lc = str(data_column).lower()
+        is_latency_metric = (
+            "ttft" in metric_lc
+            or "tpot" in metric_lc
+            or "p99" in metric_lc
+            or "median" in metric_lc
+            or metric_lc.strip() in {"p99", "median"}
+        )
+        if is_latency_metric and drop_column in df.columns:
             df = df.dropna(subset=[drop_column], ignore_index=True)
 
         for c in (
@@ -103,35 +163,61 @@ def compare_data_columns(
             meta = meta.groupby(level=key_cols, dropna=False).first()
 
         file_label = "/".join(file.split("/")[:-1]) or os.path.basename(file)
-        s = df_idx[data_column]
-        if not s.index.is_unique:
-            s = s.groupby(level=key_cols, dropna=False).mean()
-        s.name = file_label
 
-        if not meta_added:
-            frames.append(meta)
-            meta_added = True
+        if data_column in df_idx.columns:
+            s = df_idx[data_column]
+            if not s.index.is_unique:
+                s = s.groupby(level=key_cols, dropna=False).mean()
+        else:
+            # keep NA series to preserve meta keys for union_index
+            s = pd.Series(pd.NA, index=meta.index)
+        s.name = file_label
 
+        name_s = None
         if debug and name_column in df_idx.columns:
             name_s = df_idx[name_column]
             if not name_s.index.is_unique:
                 name_s = name_s.groupby(level=key_cols, dropna=False).first()
             name_s.name = f"{file_label}_name"
-            frames.append(name_s)
 
-        frames.append(s)
+        if union_index is None:
+            union_index = meta.index
+        else:
+            union_index = union_index.union(meta.index)
+        metas.append(meta)
+
+        staged.append((file_label, s, name_s))
+
+    if union_index is None:
+        raise ValueError("No data found after loading inputs.")
+
+    # meta first (union-aligned): build UNION meta across all files
+    if metas:
+        meta_union = pd.concat(metas, axis=0)
+        # Collapse duplicates on the MultiIndex; keep first non-null per column
+        meta_union = meta_union.groupby(level=key_cols, dropna=False).first()
+        frames.append(meta_union.reindex(union_index))
+
+    # values + ratios (union-aligned)
+    metric_series_aligned: list[pd.Series] = []
+    for file_label, s, name_s in staged:
+        s_aligned = s.reindex(union_index)
+        frames.append(s_aligned)
         raw_data_cols.append(file_label)
-        compare_frames.append(s)
+        metric_series_aligned.append(s_aligned)
+
+        if debug and name_s is not None:
+            frames.append(name_s.reindex(union_index))
 
-        if len(compare_frames) >= 2:
-            base = compare_frames[0]
-            current = compare_frames[-1]
-            if "P99" in data_column or "Median" in data_column:
+        if len(metric_series_aligned) >= 2:
+            base = metric_series_aligned[0]
+            current = metric_series_aligned[-1]
+            if "P99" in str(data_column) or "Median" in str(data_column):
                 ratio = base / current
             else:
                 ratio = current / base
             ratio = ratio.mask(base == 0)
-            ratio.name = f"Ratio 1 vs {len(compare_frames)}"
+            ratio.name = f"Ratio 1 vs {len(metric_series_aligned)}"
             frames.append(ratio)
 
     concat_df = pd.concat(frames, axis=1).reset_index(drop=True)
@@ -202,24 +288,10 @@ def split_json_by_tp_pp(
 # -----------------------------
 # Styling helpers
 # -----------------------------
-def _find_concurrency_col(df: pd.DataFrame) -> str:
-    for c in [
-        "# of max concurrency.",
-        "# of max concurrency",
-        "Max Concurrency",
-        "max_concurrency",
-        "Concurrency",
-    ]:
-        if c in df.columns:
-            return c
-    for c in df.columns:
-        if df[c].dtype.kind in "iu" and df[c].nunique() > 1 and df[c].min() >= 1:
-            return c
-    return "# of max concurrency."
-
-
 def _highlight_threshold(
-    df: pd.DataFrame, threshold: float
+    df: pd.DataFrame,
+    threshold: float,
+    slack_pct: float = 0.0,
 ) -> pd.io.formats.style.Styler:
     conc_col = _find_concurrency_col(df)
     key_cols = [
@@ -232,12 +304,24 @@ def _highlight_threshold(
     ]
     conf_cols = [c for c in conf_cols if pd.api.types.is_numeric_dtype(df[c])]
 
-    return df.style.map(
-        lambda v: "background-color:#e6ffe6;font-weight:bold;"
-        if pd.notna(v) and v <= threshold
-        else "",
-        subset=conf_cols,
-    )
+    try:
+        slack_pct = float(slack_pct or 0.0)
+    except Exception:
+        slack_pct = 0.0
+    slack_limit = threshold * (1.0 + slack_pct / 100.0)
+
+    def _cell(v):
+        if pd.isna(v):
+            return ""
+        if v <= threshold:
+            # Strict SLA
+            return "background-color:#e6ffe6;font-weight:bold;"
+        if v <= slack_limit:
+            # Within slack range
+            return "background-color:#ffe5cc;font-weight:bold;"
+        return ""
+
+    return df.style.map(_cell, subset=conf_cols)
 
 
 def highlight_ratio_columns(styler: pd.io.formats.style.Styler):
@@ -275,6 +359,177 @@ def _apply_two_decimals(
     return styler.format({c: "{:.2f}" for c in num_cols}, na_rep="")
 
 
+# -----------------------------
+# Export helpers (Excel + CSV)
+# -----------------------------
+def _sanitize_sheet_name(name: str) -> str:
+    """
+    Excel sheet constraints:
+      - max 31 chars
+      - cannot contain: : \ / ? * [ ]
+      - cannot be empty
+
+    NOTE: Use fast, non-regex operations here to avoid the third-party `regex`
+    module's compile overhead/edge-cases on some systems.
+    """
+    name = "sheet" if name is None else str(name)
+
+    # Replace illegal characters with underscore.
+    trans = str.maketrans(
+        {
+            ":": "_",
+            "\\": "_",
+            "/": "_",
+            "?": "_",
+            "*": "_",
+            "[": "_",
+            "]": "_",
+        }
+    )
+    name = name.translate(trans)
+
+    # Strip quotes/spaces and collapse whitespace.
+    name = name.strip().strip("'")
+    name = " ".join(name.split())
+
+    if not name:
+        name = "sheet"
+    return name[:31]
+
+
+def _group_to_sheet_base(group_cols: list[str], gkey_tuple) -> str:
+    d = dict(zip(group_cols, gkey_tuple))
+
+    # Always keep input/output lengths (these are important).
+    ilen = d.get("Input Len", "")
+    olen = d.get("Output Len", "")
+    lens = f"_{ilen}x{olen}" if ilen != "" and olen != "" else ""
+
+    # Shorten model name aggressively to make room for lens.
+    model = d.get("Model", "model")
+    leaf = str(model).split("/")[-1]
+
+    max_model_len = max(1, 31 - len(lens))
+    model_short = leaf[:max_model_len]
+
+    return _sanitize_sheet_name(f"{model_short}{lens}")
+
+
+def _write_tables_to_excel_sheet(
+    writer: pd.ExcelWriter, sheet: str, blocks: list[tuple[str, pd.DataFrame]]
+):
+    """Write all blocks to a sheet with a single to_excel() call.
+
+    Pandas+openpyxl can be extremely slow when called many times per sheet.
+    We flatten blocks into one table with a 'Section' column to keep structure
+    while making Excel generation fast and deterministic.
+    """
+    if not blocks:
+        pd.DataFrame().to_excel(writer, sheet_name=sheet, index=False)
+        return
+
+    combined_parts: list[pd.DataFrame] = []
+    for title, df in blocks:
+        df2 = df.copy()
+        # Put the section label as the first column for readability.
+        df2.insert(0, "Section", title)
+        combined_parts.append(df2)
+
+    combined = pd.concat(combined_parts, axis=0, ignore_index=True, sort=False)
+    combined.to_excel(writer, sheet_name=sheet, index=False)
+
+
+def _safe_filename(s: str) -> str:
+    # Fast path without the third-party `regex` module.
+    s = " ".join(str(s).strip().split())
+    allowed = []
+    for ch in s:
+        if ch.isalnum() or ch in "._-":
+            allowed.append(ch)
+        else:
+            allowed.append("_")
+    out = "".join(allowed)
+    return out[:180] if len(out) > 180 else out
+
+
+# -----------------------------
+# vLLM environment export helper
+# -----------------------------
+def _parse_vllm_env_txt(env_path: Path) -> pd.DataFrame:
+    """Parse vllm_env.txt into a flat table (Section, Key, Value).
+
+    Supports:
+      - section headers as standalone lines (no ':' or '=')
+      - key-value lines like 'OS: Ubuntu ...'
+      - env var lines like 'HF_HOME=/data/hf'
+    """
+    lines = env_path.read_text(encoding="utf-8", errors="replace").splitlines()
+    section = "General"
+    rows: list[dict] = []
+
+    def set_section(s: str):
+        nonlocal section
+        s = (s or "").strip()
+        if s:
+            section = s
+
+    for raw in lines:
+        stripped = raw.strip()
+        if not stripped:
+            continue
+        # divider lines like =====
+        if set(stripped) <= {"="}:
+            continue
+
+        # section header heuristic: short standalone line
+        if ":" not in stripped and "=" not in stripped and len(stripped) <= 64:
+            if stripped.lower().startswith("collecting environment information"):
+                continue
+            set_section(stripped)
+            continue
+
+        # env var style: KEY=VALUE (and not a URL with :)
+        if "=" in stripped and ":" not in stripped:
+            k, v = stripped.split("=", 1)
+            k = k.strip()
+            v = v.strip()
+            if k:
+                rows.append({"Section": section, "Key": k, "Value": v})
+            continue
+
+        # key: value
+        if ":" in stripped:
+            k, v = stripped.split(":", 1)
+            k = k.strip()
+            v = v.strip()
+            if k:
+                rows.append({"Section": section, "Key": k, "Value": v})
+            continue
+
+    return pd.DataFrame(rows, columns=["Section", "Key", "Value"])
+
+
+def _load_env_df_for_inputs(args, files: list[str]) -> pd.DataFrame | None:
+    """Load vllm_env.txt next to the *original* input JSON file.
+
+    Note: when only one -f is provided, the script may split JSON into ./splits/...,
+    but vllm_env.txt typically lives next to the original benchmark_results.json.
+    """
+    base_dir: Path | None = None
+    if getattr(args, "file", None):
+        base_dir = Path(args.file[0]).resolve().parent
+    elif files:
+        base_dir = Path(files[0]).resolve().parent
+    if base_dir is None:
+        return None
+
+    env_path = base_dir / "vllm_env.txt"
+    if not env_path.exists():
+        return None
+    df = _parse_vllm_env_txt(env_path)
+    return df
+
+
 # -----------------------------
 # Valid max concurrency summary helpers
 # -----------------------------
@@ -301,7 +556,11 @@ def _config_value_columns(df: pd.DataFrame, conc_col: str) -> list[str]:
 
 
 def _max_concurrency_ok(
-    df: pd.DataFrame, conc_col: str, cfg_col: str, threshold: float
+    df: pd.DataFrame,
+    conc_col: str,
+    cfg_col: str,
+    threshold: float,
+    slack_pct: float = 0.0,
 ):
     if df is None or conc_col not in df.columns or cfg_col not in df.columns:
         return pd.NA
@@ -314,7 +573,14 @@ def _max_concurrency_ok(
     if d.empty:
         return pd.NA
 
-    ok = d[d[cfg_col] <= threshold]
+    # Accept values up to (1 + slack_pct%) above the SLA.
+    try:
+        slack_pct = float(slack_pct or 0.0)
+    except Exception:
+        slack_pct = 0.0
+    effective_limit = float(threshold) * (1.0 + slack_pct / 100.0)
+
+    ok = d[d[cfg_col] <= effective_limit]
     if ok.empty:
         return pd.NA
 
@@ -380,15 +646,25 @@ def build_valid_max_concurrency_summary_html(
     if not cfg_cols:
         cfg_cols = sorted(set(ttft_cols) | set(tpot_cols) | set(tput_cols), key=str)
 
+    # Display SLA ranges in the table header (SLA .. SLA*(1+slack))
+    ttft_hi = args.ttft_max_ms * (1.0 + args.ttft_slack_pct / 100.0)
+    tpot_hi = args.tpot_max_ms * (1.0 + args.tpot_slack_pct / 100.0)
+    ttft_range = f"{args.ttft_max_ms:g}–{ttft_hi:g} ms (+{args.ttft_slack_pct:g}%)"
+    tpot_range = f"{args.tpot_max_ms:g}–{tpot_hi:g} ms (+{args.tpot_slack_pct:g}%)"
+
     rows = []
     for cfg in cfg_cols:
         ttft_max = (
-            _max_concurrency_ok(ttft_group_df, conc_col, cfg, args.ttft_max_ms)
+            _max_concurrency_ok(
+                ttft_group_df, conc_col, cfg, args.ttft_max_ms, args.ttft_slack_pct
+            )
             if ttft_group_df is not None
             else pd.NA
         )
         tpot_max = (
-            _max_concurrency_ok(tpot_group_df, conc_col, cfg, args.tpot_max_ms)
+            _max_concurrency_ok(
+                tpot_group_df, conc_col, cfg, args.tpot_max_ms, args.tpot_slack_pct
+            )
             if tpot_group_df is not None
             else pd.NA
         )
@@ -417,8 +693,8 @@ def build_valid_max_concurrency_summary_html(
         rows.append(
             {
                 "Configuration": cfg,
-                f"Max {conc_col} (TTFT ≤ {args.ttft_max_ms:g} ms)": ttft_max,
-                f"Max {conc_col} (TPOT ≤ {args.tpot_max_ms:g} ms)": tpot_max,
+                f"Max {conc_col} (TTFT ≤ {ttft_range})": ttft_max,
+                f"Max {conc_col} (TPOT ≤ {tpot_range})": tpot_max,
                 f"Max {conc_col} (Both)": both,
                 "Output Tput @ Both (tok/s)": tput_at_both,
                 "TTFT @ Both (ms)": ttft_at_both,
@@ -428,7 +704,6 @@ def build_valid_max_concurrency_summary_html(
 
     summary_df = pd.DataFrame(rows)
 
-    # --- Coerce numeric columns so Styler doesn't miss them due to object dtype ---
     for c in summary_df.columns:
         if c == "Configuration":
             continue
@@ -436,12 +711,10 @@ def build_valid_max_concurrency_summary_html(
 
     both_col = f"Max {conc_col} (Both)"
 
-    # --- Strict 2-decimal formatting for ALL non-Configuration columns ---
     formatters = {}
     for c in summary_df.columns:
         if c == "Configuration":
             continue
-        # default argument binds per-column formatter correctly
         formatters[c] = lambda v: "" if pd.isna(v) else f"{float(v):.2f}"
 
     styler = summary_df.style.format(formatters)
@@ -460,6 +733,104 @@ def build_valid_max_concurrency_summary_html(
     return title + styler.to_html(table_attributes='border="1" class="dataframe"')
 
 
+def build_valid_max_concurrency_summary_df(
+    tput_group_df: pd.DataFrame | None,
+    ttft_group_df: pd.DataFrame | None,
+    tpot_group_df: pd.DataFrame | None,
+    conc_col: str,
+    args,
+) -> pd.DataFrame | None:
+    if ttft_group_df is None and tpot_group_df is None:
+        return None
+
+    ttft_cols = (
+        _config_value_columns(ttft_group_df, conc_col)
+        if ttft_group_df is not None
+        else []
+    )
+    tpot_cols = (
+        _config_value_columns(tpot_group_df, conc_col)
+        if tpot_group_df is not None
+        else []
+    )
+    tput_cols = (
+        _config_value_columns(tput_group_df, conc_col)
+        if tput_group_df is not None
+        else []
+    )
+
+    if ttft_group_df is not None and tpot_group_df is not None:
+        cfg_cols = [c for c in ttft_cols if c in tpot_cols]
+        if tput_group_df is not None:
+            cfg_cols = [c for c in cfg_cols if c in tput_cols] or cfg_cols
+    else:
+        cfg_cols = ttft_cols or tpot_cols
+
+    if not cfg_cols:
+        cfg_cols = sorted(set(ttft_cols) | set(tpot_cols) | set(tput_cols), key=str)
+
+    ttft_hi = args.ttft_max_ms * (1.0 + args.ttft_slack_pct / 100.0)
+    tpot_hi = args.tpot_max_ms * (1.0 + args.tpot_slack_pct / 100.0)
+    ttft_range = f"{args.ttft_max_ms:g}–{ttft_hi:g} ms (+{args.ttft_slack_pct:g}%)"
+    tpot_range = f"{args.tpot_max_ms:g}–{tpot_hi:g} ms (+{args.tpot_slack_pct:g}%)"
+
+    rows = []
+    for cfg in cfg_cols:
+        ttft_max = (
+            _max_concurrency_ok(
+                ttft_group_df, conc_col, cfg, args.ttft_max_ms, args.ttft_slack_pct
+            )
+            if ttft_group_df is not None
+            else pd.NA
+        )
+        tpot_max = (
+            _max_concurrency_ok(
+                tpot_group_df, conc_col, cfg, args.tpot_max_ms, args.tpot_slack_pct
+            )
+            if tpot_group_df is not None
+            else pd.NA
+        )
+        both = (
+            pd.NA
+            if (pd.isna(ttft_max) or pd.isna(tpot_max))
+            else min(ttft_max, tpot_max)
+        )
+
+        tput_at_both = (
+            _value_at_concurrency(tput_group_df, conc_col, cfg, both)
+            if tput_group_df is not None
+            else pd.NA
+        )
+        ttft_at_both = (
+            _value_at_concurrency(ttft_group_df, conc_col, cfg, both)
+            if ttft_group_df is not None
+            else pd.NA
+        )
+        tpot_at_both = (
+            _value_at_concurrency(tpot_group_df, conc_col, cfg, both)
+            if tpot_group_df is not None
+            else pd.NA
+        )
+
+        rows.append(
+            {
+                "Configuration": cfg,
+                f"Max {conc_col} (TTFT ≤ {ttft_range})": ttft_max,
+                f"Max {conc_col} (TPOT ≤ {tpot_range})": tpot_max,
+                f"Max {conc_col} (Both)": both,
+                "Output Tput @ Both (tok/s)": tput_at_both,
+                "TTFT @ Both (ms)": ttft_at_both,
+                "TPOT @ Both (ms)": tpot_at_both,
+            }
+        )
+
+    df = pd.DataFrame(rows)
+    for c in df.columns:
+        if c != "Configuration":
+            df[c] = pd.to_numeric(df[c], errors="coerce")
+    return df
+
+
 # -----------------------------
 # Plot helper
 # -----------------------------
@@ -537,6 +908,35 @@ def build_parser() -> argparse.ArgumentParser:
         default=100.0,
         help="Reference limit for TPOT plots (ms)",
     )
+
+    # ---- SLA tolerance (slack) options ----
+    parser.add_argument(
+        "--ttft-slack-pct",
+        type=float,
+        default=5.0,
+        help="Allowed percentage above TTFT SLA (default: 5).",
+    )
+    parser.add_argument(
+        "--tpot-slack-pct",
+        type=float,
+        default=5.0,
+        help="Allowed percentage above TPOT SLA (default: 5).",
+    )
+
+    # ---- export options ----
+    parser.add_argument(
+        "--excel-out",
+        type=str,
+        default="perf_comparison.xlsx",
+        help="Write one sheet per (Model, Dataset, Input Len, Output Len).",
+    )
+    parser.add_argument(
+        "--csv-out-dir",
+        type=str,
+        default="",
+        help="If set, write per-group per-metric CSVs into this directory.",
+    )
+
     return parser
 
 
@@ -615,9 +1015,13 @@ def render_metric_table_html(
 
     metric_name = metric_label.lower()
     if "ttft" in metric_name:
-        styler = _highlight_threshold(display_group, args.ttft_max_ms)
+        styler = _highlight_threshold(
+            display_group, args.ttft_max_ms, args.ttft_slack_pct
+        )
     elif ("tpot" in metric_name) or ("median" in metric_name) or ("p99" in metric_name):
-        styler = _highlight_threshold(display_group, args.tpot_max_ms)
+        styler = _highlight_threshold(
+            display_group, args.tpot_max_ms, args.tpot_slack_pct
+        )
     else:
         styler = display_group.style
 
@@ -657,7 +1061,6 @@ def maybe_write_plot(
         markers=True,
     )
 
-    # Ensure plot hover + y tick labels are also 2 decimals.
     fig.update_traces(hovertemplate="%{y:.2f}<extra></extra>")
     fig.update_yaxes(tickformat=".2f")
 
@@ -730,87 +1133,186 @@ def write_report_group_first(
         for metric_label, (df, _) in metric_cache.items()
     }
 
-    with open("perf_comparison.html", "w", encoding="utf-8") as main_fh:
-        main_fh.write('<meta charset="utf-8">\n')
-        for gkey in group_keys:
-            gkey_tuple = normalize_group_key(gkey)
-            suffix = build_group_suffix(group_cols_canonical, gkey_tuple)
-            sub_path = group_filename(gkey_tuple)
-            group_header = (
-                '<div style="font-size: 1.4em; font-weight: 700; '
-                'margin: 18px 0 10px 0;">'
-                f"{_html.escape(suffix)}"
-                "</div>\n"
-            )
-
-            main_fh.write(group_header)
-            with open(sub_path, "w", encoding="utf-8") as sub_fh:
-                sub_fh.write('<meta charset="utf-8">\n')
-                sub_fh.write(group_header)
-                tput_group_df = None
-                ttft_group_df = None
-                tpot_group_df = None
-                conc_col = args.xaxis
-
-                for metric_label in plan.data_cols:
-                    gb = metric_groupbys[metric_label]
-                    df_sorted, raw_data_cols = metric_cache[metric_label]
-
-                    try:
-                        group_df = gb.get_group(gkey)
-                    except KeyError:
-                        missing = (
-                            '<div style="font-size: 1.1em; font-weight: 600; '
-                            'margin: 10px 0;">'
-                            f"{_html.escape(metric_label)} — missing for this group"
-                            "</div>\n"
-                        )
+    csv_dir = Path(args.csv_out_dir) if args.csv_out_dir else None
+    if csv_dir:
+        csv_dir.mkdir(parents=True, exist_ok=True)
 
-                        main_fh.write(missing)
-                        sub_fh.write(missing)
-                        continue
+    excel_path = args.excel_out or "perf_comparison.xlsx"
+    disable_excel = os.getenv("VLLM_COMPARE_DISABLE_EXCEL", "0") == "1"
 
-                    if conc_col not in group_df.columns:
-                        conc_col = _find_concurrency_col(group_df)
+    # Prefer xlsxwriter for speed; fallback to openpyxl if unavailable.
+    excel_engine = (
+        os.getenv("VLLM_COMPARE_EXCEL_ENGINE", "xlsxwriter").strip() or "xlsxwriter"
+    )
+    if excel_engine == "xlsxwriter" and util.find_spec("xlsxwriter") is None:
+        excel_engine = "openpyxl"
+
+    excel_engine_kwargs = {}
+    if excel_engine == "xlsxwriter":
+        # Reduce memory pressure & usually faster writes.
+        excel_engine_kwargs = {"options": {"constant_memory": True}}
+
+    xw_ctx = (
+        nullcontext(None)
+        if disable_excel
+        else pd.ExcelWriter(
+            excel_path, engine=excel_engine, engine_kwargs=excel_engine_kwargs
+        )
+    )
+    with xw_ctx as xw:
+        used_sheets: set[str] = set()
+        # ---- Environment sheet (first) ----
+        env_sheet = _sanitize_sheet_name("Environment")
+        env_df = _load_env_df_for_inputs(args, files)
+        if xw is not None:
+            if env_df is None or env_df.empty:
+                pd.DataFrame(
+                    [
+                        {
+                            "Section": "Environment",
+                            "Key": "vllm_env.txt",
+                            "Value": "NOT FOUND (or empty)",
+                        }
+                    ]
+                ).to_excel(xw, sheet_name=env_sheet, index=False)
+            else:
+                env_df.to_excel(xw, sheet_name=env_sheet, index=False)
+            used_sheets.add(env_sheet)
+        with open("perf_comparison.html", "w", encoding="utf-8") as main_fh:
+            main_fh.write('<meta charset="utf-8">\n')
+            for gkey in group_keys:
+                gkey_tuple = normalize_group_key(gkey)
+                suffix = build_group_suffix(group_cols_canonical, gkey_tuple)
+                sub_path = group_filename(gkey_tuple)
+                group_header = (
+                    '<div style="font-size: 1.4em; font-weight: 700; '
+                    'margin: 18px 0 10px 0;">'
+                    f"{_html.escape(suffix)}"
+                    "</div>\n"
+                )
 
-                    mn = metric_label.lower().strip()
-                    if "tok/s" in mn:
-                        tput_group_df = group_df
-                    elif "ttft" in mn:
-                        ttft_group_df = group_df
-                    elif mn in ("p99", "median") or "tpot" in mn:
-                        tpot_group_df = group_df
+                main_fh.write(group_header)
+
+                do_excel = xw is not None
+                sheet = _group_to_sheet_base(group_cols_canonical, gkey_tuple)
+                sheet_base = sheet
+                if do_excel:
+                    dedup_i = 1
+                    while sheet in used_sheets:
+                        dedup_i += 1
+                        suffix = f"_{dedup_i}"
+                        # Ensure uniqueness even when sheet names are truncated.
+                        base = str(sheet_base)
+                        keep = max(1, 31 - len(suffix))
+                        sheet = _sanitize_sheet_name(base[:keep] + suffix)
+                    used_sheets.add(sheet)
+
+                excel_blocks: list[tuple[str, pd.DataFrame]] = []
+
+                with open(sub_path, "w", encoding="utf-8") as sub_fh:
+                    sub_fh.write('<meta charset="utf-8">\n')
+                    sub_fh.write(group_header)
+                    tput_group_df = None
+                    ttft_group_df = None
+                    tpot_group_df = None
+                    conc_col = args.xaxis
+
+                    for metric_label in plan.data_cols:
+                        gb = metric_groupbys[metric_label]
+                        df_sorted, raw_data_cols = metric_cache[metric_label]
+
+                        try:
+                            group_df = gb.get_group(gkey)
+                        except KeyError:
+                            missing = (
+                                '<div style="font-size: 1.1em; font-weight: 600; '
+                                'margin: 10px 0;">'
+                                f"{_html.escape(metric_label)} — missing for this group"
+                                "</div>\n"
+                            )
+                            main_fh.write(missing)
+                            sub_fh.write(missing)
+                            continue
+
+                        if conc_col not in group_df.columns:
+                            conc_col = _find_concurrency_col(group_df)
+
+                        mn = metric_label.lower().strip()
+                        if "tok/s" in mn:
+                            tput_group_df = group_df
+                        elif "ttft" in mn:
+                            ttft_group_df = group_df
+                        elif mn in ("p99", "median") or "tpot" in mn:
+                            tpot_group_df = group_df
+
+                        display_group = group_df.drop(
+                            columns=group_cols_canonical, errors="ignore"
+                        )
 
-                    display_group = group_df.drop(
-                        columns=group_cols_canonical, errors="ignore"
-                    )
+                        html = render_metric_table_html(
+                            display_group, metric_label, suffix, args
+                        )
+                        main_fh.write(html)
+                        sub_fh.write(html)
+
+                        maybe_write_plot(
+                            main_fh,
+                            sub_fh,
+                            group_df=group_df,
+                            raw_data_cols=raw_data_cols,
+                            metric_label=metric_label,
+                            y_axis_col=y_axis_col,
+                            args=args,
+                        )
 
-                    html = render_metric_table_html(
-                        display_group, metric_label, suffix, args
+                        excel_blocks.append(
+                            (metric_label, group_df.reset_index(drop=True))
+                        )
+                        if csv_dir:
+                            fn = _safe_filename(
+                                f"{sheet}__{metric_label}".replace(" ", "_").replace(
+                                    "/", "_"
+                                )
+                            )
+                            group_df.to_csv(csv_dir / f"{fn}.csv", index=False)
+
+                    summary_html = build_valid_max_concurrency_summary_html(
+                        tput_group_df=tput_group_df,
+                        ttft_group_df=ttft_group_df,
+                        tpot_group_df=tpot_group_df,
+                        conc_col=conc_col,
+                        args=args,
                     )
-                    main_fh.write(html)
-                    sub_fh.write(html)
-
-                    maybe_write_plot(
-                        main_fh,
-                        sub_fh,
-                        group_df=group_df,
-                        raw_data_cols=raw_data_cols,
-                        metric_label=metric_label,
-                        y_axis_col=y_axis_col,
+                    if summary_html:
+                        main_fh.write(summary_html)
+                        sub_fh.write(summary_html)
+
+                    summary_df = build_valid_max_concurrency_summary_df(
+                        tput_group_df=tput_group_df,
+                        ttft_group_df=ttft_group_df,
+                        tpot_group_df=tpot_group_df,
+                        conc_col=conc_col,
                         args=args,
                     )
+                    if summary_df is not None:
+                        excel_blocks.append(
+                            ("Valid Max Concurrency Summary", summary_df)
+                        )
+                        if csv_dir:
+                            fn = _safe_filename(
+                                f"{sheet}__Valid_Max_Concurrency_Summary"
+                            )
+                            summary_df.to_csv(csv_dir / f"{fn}.csv", index=False)
 
-                summary_html = build_valid_max_concurrency_summary_html(
-                    tput_group_df=tput_group_df,
-                    ttft_group_df=ttft_group_df,
-                    tpot_group_df=tpot_group_df,
-                    conc_col=conc_col,
-                    args=args,
-                )
-                if summary_html:
-                    main_fh.write(summary_html)
-                    sub_fh.write(summary_html)
+                if do_excel:
+                    _write_tables_to_excel_sheet(xw, sheet, excel_blocks)
+
+    if disable_excel:
+        print("Skipped Excel generation (VLLM_COMPARE_DISABLE_EXCEL=1).")
+    else:
+        print(f"Wrote Excel: {excel_path}")
+    if csv_dir:
+        print(f"Wrote CSVs under: {csv_dir}")
 
 
 def main():

.buildkite/performance-benchmarks/scripts/run-performance-benchmarks.sh

 #!/bin/bash
-
-# This script should be run inside the CI process
 # This script assumes that we are already inside the vllm/ directory
 # Benchmarking results will be available inside vllm/benchmarks/results/
 
@@ -9,14 +7,26 @@
 set -x
 set -o pipefail
 
+# Environment-driven debug controls (like ON_CPU=1)
+DRY_RUN="${DRY_RUN:-0}"
+MODEL_FILTER="${MODEL_FILTER:-}"
+DTYPE_FILTER="${DTYPE_FILTER:-}"
+
+# Adaptive search controls
+ENABLE_ADAPTIVE_CONCURRENCY="${ENABLE_ADAPTIVE_CONCURRENCY:-0}"
+SLA_TTFT_MS="${SLA_TTFT_MS:-3000}"
+SLA_TPOT_MS="${SLA_TPOT_MS:-100}"
+ADAPTIVE_MAX_PROBES="${ADAPTIVE_MAX_PROBES:-8}"
+ADAPTIVE_MAX_CONCURRENCY="${ADAPTIVE_MAX_CONCURRENCY:-1024}"
+
 check_gpus() {
   if command -v nvidia-smi; then
     # check the number of GPUs and GPU type.
-    declare -g gpu_count=$(nvidia-smi --list-gpus | wc -l)
+    declare -g gpu_count=$(nvidia-smi --list-gpus | grep -c . || true)
   elif command -v amd-smi; then
-    declare -g gpu_count=$(amd-smi list | grep 'GPU' | wc -l)
+    declare -g gpu_count=$(amd-smi list | grep -c 'GPU' || true)
   elif command -v hl-smi; then
-    declare -g gpu_count=$(hl-smi --list | grep -i "Module ID" | wc -l)
+    declare -g gpu_count=$(hl-smi --list | grep -ci "Module ID" || true)
   fi
 
   if [[ $gpu_count -gt 0 ]]; then
@@ -44,7 +54,7 @@ check_cpus() {
   declare -g numa_count=$(lscpu | grep "NUMA node(s):" | awk '{print $3}')
   if [[ $numa_count -gt 0 ]]; then
     echo "NUMA found."
-    echo $numa_count
+    echo "$numa_count"
   else
     echo "Need at least 1 NUMA to run benchmarking."
     exit 1
@@ -112,13 +122,12 @@ json2envs() {
 }
 
 wait_for_server() {
-  # wait for vllm server to start
-  # return 1 if vllm server crashes
   local timeout_val="1200"
   timeout "$timeout_val" bash -c '
-    until curl -X POST localhost:8000/v1/completions; do
+    until curl -sf http://localhost:8000/v1/models >/dev/null; do
       sleep 1
-    done' && return 0 || return 1
+    done
+  '
 }
 
 kill_processes_launched_by_current_bash() {
@@ -181,6 +190,304 @@ upload_to_buildkite() {
   $BUILDKITE_AGENT_COMMAND artifact upload "$RESULTS_FOLDER/*"
 }
 
+# -------------------------------
+# Adaptive concurrency helpers
+# -------------------------------
+result_json_path_for_serving() {
+  local test_name=$1
+  local qps=$2
+  local max_concurrency=$3
+  echo "$RESULTS_FOLDER/${test_name}_qps_${qps}_concurrency_${max_concurrency}.json"
+}
+
+extract_metric_ms() {
+  local metric_name=$1
+  local json_file=$2
+
+  [[ -f "$json_file" ]] || return 0
+
+  if [[ "$metric_name" == "ttft" ]]; then
+    jq -r '
+      [
+        .ttft_ms.p99?,
+        .metrics.ttft_ms.p99?,
+        .ttft.p99?,
+        .metrics.ttft.p99?,
+        .p99_ttft_ms?,
+        .ttft_ms.mean?,
+        .metrics.ttft_ms.mean?,
+        .ttft.mean?,
+        .metrics.ttft.mean?,
+        .mean_ttft_ms?
+      ] | map(select(. != null)) | .[0] // empty
+    ' "$json_file"
+  else
+    jq -r '
+      [
+        .tpot_ms.p99?,
+        .metrics.tpot_ms.p99?,
+        .tpot.p99?,
+        .metrics.tpot.p99?,
+        .p99_tpot_ms?,
+        .itl_ms.p99?,
+        .metrics.itl_ms.p99?,
+        .inter_token_latency_ms.p99?,
+        .tpot_ms.mean?,
+        .metrics.tpot_ms.mean?,
+        .tpot.mean?,
+        .metrics.tpot.mean?,
+        .itl_ms.mean?,
+        .metrics.itl_ms.mean?,
+        .mean_tpot_ms?,
+        .mean_itl_ms?
+      ] | map(select(. != null)) | .[0] // empty
+    ' "$json_file"
+  fi
+}
+
+evaluate_sla_from_json() {
+  local json_file=$1
+  local ttft
+  local tpot
+  local pass
+
+  [[ -f "$json_file" ]] || return 2
+
+  ttft=$(extract_metric_ms ttft "$json_file")
+  tpot=$(extract_metric_ms tpot "$json_file")
+
+  [[ -n "$ttft" && -n "$tpot" ]] || return 2
+
+  pass=$(jq -n \
+    --argjson ttft "$ttft" \
+    --argjson tpot "$tpot" \
+    --argjson sla_ttft "$SLA_TTFT_MS" \
+    --argjson sla_tpot "$SLA_TPOT_MS" \
+    '($ttft <= $sla_ttft) and ($tpot <= $sla_tpot)')
+
+  [[ "$pass" == "true" ]]
+}
+
+write_adaptive_summary_json() {
+  local summary_file=$1
+  local test_name=$2
+  local qps=$3
+  local static_last_pass=$4
+  local static_first_fail=$5
+  local final_last_pass=$6
+  local final_first_fail=$7
+
+  jq -n \
+    --arg test_name "$test_name" \
+    --arg qps "$qps" \
+    --argjson sla_ttft "$SLA_TTFT_MS" \
+    --argjson sla_tpot "$SLA_TPOT_MS" \
+    --arg static_last_pass "${static_last_pass:-}" \
+    --arg static_first_fail "${static_first_fail:-}" \
+    --arg final_last_pass "${final_last_pass:-}" \
+    --arg final_first_fail "${final_first_fail:-}" \
+    '{
+      test_name: $test_name,
+      qps: $qps,
+      sla_ttft_ms: $sla_ttft,
+      sla_tpot_ms: $sla_tpot,
+      static_last_pass: (if $static_last_pass == "" then null else ($static_last_pass | tonumber) end),
+      static_first_fail: (if $static_first_fail == "" then null else ($static_first_fail | tonumber) end),
+      final_last_pass: (if $final_last_pass == "" then null else ($final_last_pass | tonumber) end),
+      final_first_fail: (if $final_first_fail == "" then null else ($final_first_fail | tonumber) end)
+    }' > "$summary_file"
+}
+
+run_single_serving_probe() {
+  local test_name=$1
+  local qps=$2
+  local max_concurrency=$3
+  local tp=$4
+  local compilation_config_mode=$5
+  local optimization_level=$6
+  local client_args_effective=$7
+  local client_remote_args=$8
+  local server_command=$9
+
+  local new_test_name="${test_name}_qps_${qps}_concurrency_${max_concurrency}"
+  local result_json
+  local num_prompts_arg=""
+  local client_command
+
+  result_json=$(result_json_path_for_serving "$test_name" "$qps" "$max_concurrency")
+
+  if [[ -f "$result_json" ]]; then
+    evaluate_sla_from_json "$result_json"
+    return $?
+  fi
+
+  if [[ -n "${PROMPTS_PER_CONCURRENCY}" ]]; then
+    num_prompts=$(( max_concurrency * PROMPTS_PER_CONCURRENCY ))
+    if (( num_prompts < MIN_NUM_PROMPTS )); then num_prompts=$MIN_NUM_PROMPTS; fi
+    if (( num_prompts > MAX_NUM_PROMPTS )); then num_prompts=$MAX_NUM_PROMPTS; fi
+    num_prompts_arg="--num-prompts $num_prompts"
+  fi
+
+  client_command="vllm bench serve \
+    --save-result \
+    --result-dir $RESULTS_FOLDER \
+    --result-filename ${new_test_name}.json \
+    --request-rate $qps \
+    --max-concurrency $max_concurrency \
+    $num_prompts_arg \
+    --metadata tensor_parallel_size=$tp compilation_config.mode=$compilation_config_mode optimization_level=$optimization_level adaptive_search=1 \
+    $client_args_effective $client_remote_args "
+
+  echo "Adaptive probe: $client_command"
+
+  if [[ "${DRY_RUN:-0}" != "1" ]]; then
+    bash -c "$client_command"
+  fi
+
+  jq_output=$(jq -n \
+    --arg server "$server_command" \
+    --arg client "$client_command" \
+    --arg gpu "$gpu_type" \
+    '{
+      server_command: $server,
+      client_command: $client,
+      gpu_type: $gpu,
+      adaptive_search: true
+    }')
+  echo "$jq_output" > "$RESULTS_FOLDER/${new_test_name}.commands"
+
+  evaluate_sla_from_json "$result_json"
+}
+
+adaptive_refine_from_static_results() {
+  local test_name=$1
+  local qps=$2
+  local max_concurrency_list_raw=$3
+  local tp=$4
+  local compilation_config_mode=$5
+  local optimization_level=$6
+  local client_args_effective=$7
+  local client_remote_args=$8
+  local server_command=$9
+
+  local sorted_points
+  local point
+  local rc
+  local static_last_pass=""
+  local static_first_fail=""
+  local largest_static=""
+  local step_hint=1
+  local previous_point=""
+  local low
+  local high
+  local mid
+  local probes=0
+  local summary_file="$RESULTS_FOLDER/${test_name}_qps_${qps}_sla_summary.json"
+
+  [[ "${ENABLE_ADAPTIVE_CONCURRENCY}" == "1" ]] || return 0
+  [[ "${DRY_RUN:-0}" != "1" ]] || return 0
+
+  sorted_points=$(for point in $max_concurrency_list_raw; do printf '%s\n' "$point"; done | tr -d "'" | awk '/^[0-9]+$/' | sort -n | uniq)
+  [[ -n "$sorted_points" ]] || return 0
+
+  while read -r point; do
+    [[ -z "$point" ]] && continue
+    largest_static="$point"
+    evaluate_sla_from_json "$(result_json_path_for_serving "$test_name" "$qps" "$point")"
+    rc=$?
+    if (( rc == 0 )); then
+      static_last_pass="$point"
+    elif (( rc == 1 )); then
+      if [[ -n "$static_last_pass" ]]; then
+        static_first_fail="$point"
+        break
+      fi
+    fi
+
+    if [[ -n "$previous_point" ]]; then
+      step_hint=$(( point - previous_point ))
+      if (( step_hint < 1 )); then step_hint=1; fi
+    fi
+    previous_point="$point"
+  done <<< "$sorted_points"
+
+  if [[ -z "$static_last_pass" ]]; then
+    write_adaptive_summary_json "$summary_file" "$test_name" "$qps" "" "$static_first_fail" "" "$static_first_fail"
+    return 0
+  fi
+
+  if [[ -n "$static_first_fail" ]]; then
+    low=$static_last_pass
+    high=$static_first_fail
+    while (( low + 1 < high )) && (( probes < ADAPTIVE_MAX_PROBES )); do
+      mid=$(( (low + high) / 2 ))
+      probes=$(( probes + 1 ))
+      run_single_serving_probe \
+        "$test_name" "$qps" "$mid" "$tp" \
+        "$compilation_config_mode" "$optimization_level" \
+        "$client_args_effective" "$client_remote_args" "$server_command"
+      rc=$?
+      if (( rc == 0 )); then
+        low=$mid
+      elif (( rc == 1 )); then
+        high=$mid
+      else
+        break
+      fi
+    done
+    write_adaptive_summary_json "$summary_file" "$test_name" "$qps" "$static_last_pass" "$static_first_fail" "$low" "$high"
+    return 0
+  fi
+
+  low=$largest_static
+  high=""
+  while (( probes < ADAPTIVE_MAX_PROBES )); do
+    point=$(( low + step_hint ))
+    if (( point > ADAPTIVE_MAX_CONCURRENCY )); then
+      point=$ADAPTIVE_MAX_CONCURRENCY
+    fi
+    (( point > low )) || break
+    probes=$(( probes + 1 ))
+    run_single_serving_probe \
+      "$test_name" "$qps" "$point" "$tp" \
+      "$compilation_config_mode" "$optimization_level" \
+      "$client_args_effective" "$client_remote_args" "$server_command"
+    rc=$?
+    if (( rc == 0 )); then
+      low=$point
+      (( point == ADAPTIVE_MAX_CONCURRENCY )) && break
+      step_hint=$(( step_hint * 2 ))
+      if (( step_hint < 1 )); then step_hint=1; fi
+    elif (( rc == 1 )); then
+      high=$point
+      break
+    else
+      break
+    fi
+  done
+
+  if [[ -n "$high" ]]; then
+    while (( low + 1 < high )) && (( probes < ADAPTIVE_MAX_PROBES )); do
+      mid=$(( (low + high) / 2 ))
+      probes=$(( probes + 1 ))
+      run_single_serving_probe \
+        "$test_name" "$qps" "$mid" "$tp" \
+        "$compilation_config_mode" "$optimization_level" \
+        "$client_args_effective" "$client_remote_args" "$server_command"
+      rc=$?
+      if (( rc == 0 )); then
+        low=$mid
+      elif (( rc == 1 )); then
+        high=$mid
+      else
+        break
+      fi
+    done
+  fi
+
+  write_adaptive_summary_json "$summary_file" "$test_name" "$qps" "$static_last_pass" "" "$low" "$high"
+}
+
 run_benchmark_tests() {
   # run benchmark tests using `vllm bench <test_type>` command
   # $1: test type (latency or throughput)
@@ -252,37 +559,16 @@ run_benchmark_tests() {
   done
 }
 
-run_latency_tests() {
-  run_benchmark_tests "latency" "$1"
-}
-
-run_startup_tests() {
-  run_benchmark_tests "startup" "$1"
-}
-
-run_throughput_tests() {
-  run_benchmark_tests "throughput" "$1"
-}
-
-run_serving_tests() {
-  # run serving tests using `vllm bench serve` command
-  # $1: a json file specifying serving test cases
-  #
-  # Supported JSON formats:
-  # 1) Plain format: top-level array
-  #    [ { "test_name": "...", "server_parameters": {...}, ... }, ... ]
-  #
-  # 2) Default parameters field + plain format tests
-  #    {
-  #      "defaults": { ... },
-  #      "tests": [ { "test_name": "...", "server_parameters": {...}, ... }, ... ]
-  #    }
+run_latency_tests() { run_benchmark_tests "latency" "$1"; }
+run_startup_tests() { run_benchmark_tests "startup" "$1"; }
+run_throughput_tests() { run_benchmark_tests "throughput" "$1"; }
 
-  local serving_test_file
-  serving_test_file=$1
-
-  # Iterate over serving tests
-  jq -c '
+merge_serving_tests_stream() {
+  # Emit merged serving test objects, optionally filtered by MODEL_FILTER/DTYPE_FILTER in DRY_RUN mode.
+  # This helper does NOT modify JSON; it only filters the stream in dry-run mode.
+  local serving_test_file="$1"
+  # shellcheck disable=SC2016
+  local merged='
     if type == "array" then
       # Plain format: test cases array
       .[]
@@ -304,7 +590,50 @@ run_serving_tests() {
     else
       error("Unsupported serving test file format: must be array or object with .tests")
     end
-  ' "$serving_test_file" | while read -r params; do
+  '
+
+  jq -c "$merged" "$serving_test_file" | \
+  if [[ "${DRY_RUN:-0}" == "1" && ( "${MODEL_FILTER}${DTYPE_FILTER}" != "" ) ]]; then
+    jq -c --arg model "$MODEL_FILTER" --arg dtype "$DTYPE_FILTER" '
+      select((($model|length)==0)
+             or ((.server_parameters.model // "") == $model)
+             or ((.client_parameters.model // "") == $model))
+      | select((($dtype|length)==0) or ((.server_parameters.dtype // "") == $dtype))
+    '
+  else
+    cat
+  fi
+}
+
+run_serving_tests() {
+  # run serving tests using `vllm bench serve` command
+  # $1: a json file specifying serving test cases
+  #
+  # Supported JSON formats:
+  # 1) Plain format: top-level array
+  #    [ { "test_name": "...", "server_parameters": {...}, ... }, ... ]
+  #
+  # 2) Default parameters field + plain format tests
+  #    {
+  #      "defaults": { ... },
+  #      "tests": [ { "test_name": "...", "server_parameters": {...}, ... }, ... ]
+  #    }
+
+  local serving_test_file
+  serving_test_file=$1
+
+  # In dry-run mode, if filters are provided but no tests match, fail fast.
+  if [[ "${DRY_RUN:-0}" == "1" && ( "${MODEL_FILTER}${DTYPE_FILTER}" != "" ) ]]; then
+    local count
+    count=$(merge_serving_tests_stream "$serving_test_file" | wc -l | tr -d ' ')
+    if [[ "$count" -eq 0 ]]; then
+      echo "No matching serving tests found in $serving_test_file for model='$MODEL_FILTER' dtype='$DTYPE_FILTER'." >&2
+      return 0
+    fi
+  fi
+
+  # Iterate over serving tests (merged + optional filtered stream)
+  merge_serving_tests_stream "$serving_test_file" | while read -r params; do
     # get the test name, and append the GPU type back to it.
     test_name=$(echo "$params" | jq -r '.test_name')
     if [[ ! "$test_name" =~ ^serving_ ]]; then
@@ -323,10 +652,48 @@ run_serving_tests() {
     server_envs=$(echo "$params" | jq -r '.server_environment_variables')
     client_params=$(echo "$params" | jq -r '.client_parameters')
 
-    server_args=$(json2args "$server_params")
+    # vLLM serve CLI: model must be positional (no --model). Convert server_parameters accordingly.
+    server_model=$(echo "$server_params" | jq -r '.model // empty')
+    if [[ -z "$server_model" || "$server_model" == "null" ]]; then
+      echo "Error: serving test '$test_name' is missing server_parameters.model" >&2
+      exit 1
+    fi
+    server_params_no_model=$(echo "$server_params" | jq -c 'del(.model)')
+    server_args=$(json2args "$server_params_no_model")
+
     server_envs=$(json2envs "$server_envs")
     client_args=$(json2args "$client_params")
 
+    # ------------------------------------------------------------
+    # Option 1: Dynamic num-prompts scaling based on max_concurrency
+    #
+    # If PROMPTS_PER_CONCURRENCY is set, override JSON num_prompts with:
+    #   num_prompts = max_concurrency * PROMPTS_PER_CONCURRENCY
+    #
+    # If PROMPTS_PER_CONCURRENCY is NOT set, keep JSON num_prompts behavior
+    # unchanged (i.e., whatever is in serving-tests-*.json).
+    # ------------------------------------------------------------
+    PROMPTS_PER_CONCURRENCY="${PROMPTS_PER_CONCURRENCY-}"  # no default on purpose
+    MIN_NUM_PROMPTS="${MIN_NUM_PROMPTS:-1}"
+    MAX_NUM_PROMPTS="${MAX_NUM_PROMPTS:-1000000}"
+
+    if [[ -n "${PROMPTS_PER_CONCURRENCY}" ]]; then
+      # Remove any fixed --num-prompts from JSON-derived args (avoid duplicates)
+      # Remove any fixed --num-prompts from JSON-derived args (avoid duplicates)
+      # Handles: --num-prompts 123   and   --num-prompts=123
+      client_args_no_np="$(
+        printf ' %s ' "$client_args" \
+        | sed -E \
+          -e 's/[[:space:]]--num-prompts=([^[:space:]]+)([[:space:]]|$)/ /g' \
+          -e 's/[[:space:]]--num-prompts[[:space:]]+([^[:space:]]+)([[:space:]]|$)/ /g'
+      )"
+      # normalize whitespace
+      client_args_no_np="$(echo "$client_args_no_np" | tr -s ' ' | sed -E 's/^ //; s/ $//')"
+      client_args_no_np="$(echo "$client_args_no_np" | xargs)"
+      client_args_effective="$client_args_no_np"
+    else
+      client_args_effective="$client_args"
+    fi
     # qps_list
     qps_list=$(echo "$params" | jq -r '.qps_list')
     qps_list=$(echo "$qps_list" | jq -r '.[] | @sh')
@@ -358,14 +725,13 @@ run_serving_tests() {
     fi
 
     # check if server model and client model is aligned
-    server_model=$(echo "$server_params" | jq -r '.model')
     client_model=$(echo "$client_params" | jq -r '.model')
     if [[ $server_model != "$client_model" ]]; then
       echo "Server model and client model must be the same. Skip testcase $test_name."
       continue
     fi
 
-    server_command="$server_envs vllm serve \
+    server_command="$server_envs vllm serve $server_model \
       $server_args"
 
     # run the server
@@ -373,7 +739,7 @@ run_serving_tests() {
     echo "Server command: $server_command"
     # support remote vllm server
     client_remote_args=""
-    if [[ -z "${REMOTE_HOST}" ]]; then
+    if [[ -z "${REMOTE_HOST}" && "${DRY_RUN:-0}" != "1" ]]; then
       bash -c "$server_command" &
       server_pid=$!
       # wait until the server is alive
@@ -384,6 +750,9 @@ run_serving_tests() {
         echo ""
         echo "vLLM failed to start within the timeout period."
       fi
+    elif [[ "${DRY_RUN:-0}" == "1" ]]; then
+        # dry-run: don't start server
+        echo "Dry Run."
     else
       server_command="Using Remote Server $REMOTE_HOST $REMOTE_PORT"
       if [[ ${REMOTE_PORT} ]]; then
@@ -402,15 +771,21 @@ run_serving_tests() {
     for qps in $qps_list; do
       # remove the surrounding single quote from qps
       if [[ "$qps" == *"inf"* ]]; then
-        echo "qps was $qps"
         qps="inf"
-        echo "now qps is $qps"
       fi
 
       # iterate over different max_concurrency
       for max_concurrency in $max_concurrency_list; do
-        new_test_name=$test_name"_qps_"$qps"_concurrency_"$max_concurrency
+        new_test_name="${test_name}_qps_${qps}_concurrency_${max_concurrency}"
         echo " new test name $new_test_name"
+        # If PROMPTS_PER_CONCURRENCY is set, compute per-concurrency --num-prompts.
+        num_prompts_arg=""
+        if [[ -n "${PROMPTS_PER_CONCURRENCY}" ]]; then
+          num_prompts=$(( max_concurrency * PROMPTS_PER_CONCURRENCY ))
+          if (( num_prompts < MIN_NUM_PROMPTS )); then num_prompts=$MIN_NUM_PROMPTS; fi
+          if (( num_prompts > MAX_NUM_PROMPTS )); then num_prompts=$MAX_NUM_PROMPTS; fi
+          num_prompts_arg="--num-prompts $num_prompts"
+        fi
         # pass the tensor parallel size, the compilation mode, and the optimization
         # level to the client so that they can be used on the benchmark dashboard
         client_command="vllm bench serve \
@@ -419,13 +794,16 @@ run_serving_tests() {
           --result-filename ${new_test_name}.json \
           --request-rate $qps \
           --max-concurrency $max_concurrency \
+          $num_prompts_arg \
           --metadata tensor_parallel_size=$tp compilation_config.mode=$compilation_config_mode optimization_level=$optimization_level \
-          $client_args $client_remote_args "
+          $client_args_effective $client_remote_args "
 
         echo "Running test case $test_name with qps $qps"
         echo "Client command: $client_command"
 
-        bash -c "$client_command"
+        if [[ "${DRY_RUN:-0}" != "1" ]]; then
+          bash -c "$client_command"
+        fi
 
         # record the benchmarking commands
         jq_output=$(jq -n \
@@ -440,15 +818,23 @@ run_serving_tests() {
         echo "$jq_output" >"$RESULTS_FOLDER/${new_test_name}.commands"
 
       done
+
+      adaptive_refine_from_static_results \
+        "$test_name" "$qps" "$max_concurrency_list" "$tp" \
+        "$compilation_config_mode" "$optimization_level" \
+        "$client_args_effective" "$client_remote_args" "$server_command"
     done
 
     # clean up
-    kill -9 $server_pid
-    kill_gpu_processes
+    if [[ "${DRY_RUN:-0}" != "1" ]]; then
+      kill -9 "$server_pid"
+      kill_gpu_processes
+    fi
   done
 }
 
 main() {
+
   local ARCH
   ARCH=''
   if [[ "$ON_CPU" == "1" ]]; then
@@ -458,7 +844,13 @@ main() {
      check_gpus
      ARCH="$arch_suffix"
   fi
-  check_hf_token
+
+  # DRY_RUN does not execute vLLM; do not require HF_TOKEN.
+  if [[ "${DRY_RUN:-0}" != "1" ]]; then
+    check_hf_token
+  else
+    echo "DRY_RUN=1 -> skip HF_TOKEN validation"
+  fi
 
   # dependencies
   (which wget && which curl) || (apt-get update && apt-get install -y wget curl)
@@ -479,11 +871,16 @@ main() {
 
   # dump vllm info via vllm collect-env
   env_output=$(vllm collect-env)
-
   echo "$env_output" >"$RESULTS_FOLDER/vllm_env.txt"
 
   # benchmarking
-  run_serving_tests $QUICK_BENCHMARK_ROOT/tests/"${SERVING_JSON:-serving-tests$ARCH.json}"
+  run_serving_tests $QUICK_BENCHMARK_ROOT/tests/"${SERVING_JSON:-serving-tests$ARCH.json}" || exit $?
+
+  if [[ "${DRY_RUN:-0}" == "1" ]]; then
+    echo "DRY_RUN=1 -> skip latency/startup/throughput suites"
+    exit 0
+  fi
+
   run_latency_tests $QUICK_BENCHMARK_ROOT/tests/"${LATENCY_JSON:-latency-tests$ARCH.json}"
   run_startup_tests $QUICK_BENCHMARK_ROOT/tests/"${STARTUP_JSON:-startup-tests$ARCH.json}"
   run_throughput_tests $QUICK_BENCHMARK_ROOT/tests/"${THROUGHPUT_JSON:-throughput-tests$ARCH.json}"
@@ -491,6 +888,7 @@ main() {
   # postprocess benchmarking results
   pip install tabulate pandas
   python3 $QUICK_BENCHMARK_ROOT/scripts/convert-results-json-to-markdown.py
+  python3 $QUICK_BENCHMARK_ROOT/scripts/compare-json-results.py -f $RESULTS_FOLDER/benchmark_results.json
 
   upload_to_buildkite
 }

.buildkite/performance-benchmarks/tests/latency-tests-hpu.json

@@ -51,5 +51,56 @@
             "max-model-len": 256,
             "async-scheduling": ""
         }
+    },
+    {
+        "test_name": "latency_deepseek_r1",
+        "environment_variables": {
+            "PT_HPU_LAZY_MODE": 1,
+            "PT_HPU_ENABLE_LAZY_COLLECTIVES": 1,
+            "VLLM_CONTIGUOUS_PA": 1,
+            "VLLM_DEFRAG": 1
+        },
+        "parameters": {
+            "model": "deepseek-ai/DeepSeek-R1",
+            "tensor_parallel_size": 8,
+            "load_format": "dummy",
+            "max-model-len": 2048,
+            "dtype": "bfloat16"
+        }
+    },
+    {
+        "test_name": "latency_llama4_maverick_17b128e_instruct_fp8",
+        "environment_variables": {
+            "PT_HPU_LAZY_MODE": 1,
+            "PT_HPU_ENABLE_LAZY_COLLECTIVES": 1,
+            "VLLM_CONTIGUOUS_PA": 1,
+            "VLLM_DEFRAG": 1
+        },
+        "parameters": {
+            "model": "meta-llama/Llama-4-Maverick-17B-128E-Instruct-FP8",
+            "tensor_parallel_size": 8,
+            "max-model-len": 512,
+            "max-num-seqs": 128,
+            "async-scheduling": "",
+            "gpu-memory-utilization": 0.95,
+            "enable_expert_parallel": ""
+        }
+    },
+    {
+        "test_name": "latency_qwen3_8b",
+        "environment_variables": {
+            "PT_HPU_LAZY_MODE": 1,
+            "PT_HPU_ENABLE_LAZY_COLLECTIVES": 1,
+            "VLLM_CONTIGUOUS_PA": 1,
+            "VLLM_DEFRAG": 1
+        },
+        "parameters": {
+            "model": "Qwen/Qwen3-8B",
+            "tensor_parallel_size": 1,
+            "max-model-len": 2048,
+            "max-num-seqs": 128,
+            "dtype": "bfloat16",
+            "async-scheduling": ""
+        }
     }
 ]

.buildkite/performance-benchmarks/tests/serving-tests-cpu-asr.json

+{
+  "defaults": {
+    "qps_list": [
+      "inf"
+    ],
+    "max_concurrency_list": [12, 16, 24, 32, 64, 128, 200],
+    "server_environment_variables": {
+      "VLLM_RPC_TIMEOUT": 100000,
+      "VLLM_ENGINE_ITERATION_TIMEOUT_S": 120
+    },
+    "server_parameters": {
+      "dtype": "bfloat16",
+      "model": "openai/whisper-large-v3-turbo"
+    },
+    "client_parameters": {
+      "model": "openai/whisper-large-v3-turbo",
+      "backend": "openai-audio",
+      "endpoint": "/v1/audio/transcriptions",
+      "dataset_name": "hf",
+      "dataset_path": "openslr/librispeech_asr",
+      "hf_subset": "clean",
+      "hf_split": "test",
+      "no_stream": "",
+      "no_oversample": "",
+      "num_prompts": 200
+    }
+  },
+  "tests": [
+    {
+      "test_name": "serving_whisper_large_v3_turbo_librispeech_clean_tp1",
+      "server_parameters": {
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {}
+    }
+  ]
+}

.buildkite/performance-benchmarks/tests/serving-tests-cpu-embed.json

+{
+  "defaults": {
+    "qps_list": [
+      "inf"
+    ],
+    "max_concurrency_list": [
+      32,
+      64,
+      128
+    ],
+    "server_environment_variables": {
+      "VLLM_RPC_TIMEOUT": 100000,
+      "VLLM_ALLOW_LONG_MAX_MODEL_LEN": 1,
+      "VLLM_ENGINE_ITERATION_TIMEOUT_S": 120,
+      "VLLM_CPU_SGL_KERNEL": 1,
+      "VLLM_CPU_KVCACHE_SPACE": 40
+    },
+    "server_parameters": {
+      "dtype": "bfloat16",
+      "model": "jinaai/jina-embeddings-v3",
+      "trust_remote_code": ""
+    },
+    "client_parameters": {
+      "model": "jinaai/jina-embeddings-v3",
+      "backend": "openai-embeddings",
+      "endpoint": "/v1/embeddings",
+      "dataset_name": "sharegpt",
+      "dataset_path": "ShareGPT_V3_unfiltered_cleaned_split.json",
+      "num_prompts": 200
+    }
+  },
+  "tests": [
+    {
+      "test_name": "serving_jina_embed_v3_tp1_sharegpt",
+      "server_parameters": {
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {}
+    }
+  ]
+}

.buildkite/performance-benchmarks/tests/serving-tests-cpu-text.json

+{
+  "defaults": {
+    "qps_list": [
+      "inf"
+    ],
+    "max_concurrency_list": [12, 16, 24, 32, 64, 128, 200],
+    "server_environment_variables": {
+      "VLLM_RPC_TIMEOUT": 100000,
+      "VLLM_ALLOW_LONG_MAX_MODEL_LEN": 1,
+      "VLLM_ENGINE_ITERATION_TIMEOUT_S": 120,
+      "VLLM_CPU_SGL_KERNEL": 1,
+      "VLLM_CPU_KVCACHE_SPACE": 40
+    },
+    "server_parameters": {
+      "model": "meta-llama/Llama-3.1-8B-Instruct",
+      "tensor_parallel_size": 1,
+      "dtype": "bfloat16",
+      "distributed_executor_backend": "mp",
+      "block_size": 128,
+      "trust_remote_code": "",
+      "disable_log_stats": "",
+      "max_num_batched_tokens": 2048,
+      "max_num_seqs": 256
+    },
+    "client_parameters": {
+      "model": "meta-llama/Llama-3.1-8B-Instruct",
+      "backend": "vllm",
+      "ignore-eos": "",
+      "num_prompts": 200
+    }
+  },
+  "tests": [
+    {
+      "test_name": "serving_llama8B_tp1_sharegpt",
+      "server_parameters": {
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "dataset_name": "sharegpt",
+        "dataset_path": "./ShareGPT_V3_unfiltered_cleaned_split.json"
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp2_sharegpt",
+      "server_parameters": {
+        "tensor_parallel_size": 2
+      },
+      "client_parameters": {
+        "dataset_name": "sharegpt",
+        "dataset_path": "./ShareGPT_V3_unfiltered_cleaned_split.json"
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp1_random_128_128",
+      "server_parameters": {
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp2_random_128_128",
+      "server_parameters": {
+        "tensor_parallel_size": 2
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp4_random_128_128",
+      "server_parameters": {
+        "tensor_parallel_size": 4
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp1_random_128_2048",
+      "server_parameters": {
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 2048
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp2_random_128_2048",
+      "server_parameters": {
+        "tensor_parallel_size": 2
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 2048
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp4_random_128_2048",
+      "server_parameters": {
+        "tensor_parallel_size": 4
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 2048
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp1_random_2048_128",
+      "server_parameters": {
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 2048,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp2_random_2048_128",
+      "server_parameters": {
+        "tensor_parallel_size": 2
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 2048,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp4_random_2048_128",
+      "server_parameters": {
+        "tensor_parallel_size": 4
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 2048,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp1_random_2048_2048",
+      "server_parameters": {
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 2048,
+        "random-output-len": 2048
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp2_random_2048_2048",
+      "server_parameters": {
+        "tensor_parallel_size": 2
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 2048,
+        "random-output-len": 2048
+      }
+    },
+    {
+      "test_name": "serving_llama8B_tp4_random_2048_2048",
+      "server_parameters": {
+        "tensor_parallel_size": 4
+      },
+      "client_parameters": {
+        "dataset_name": "random",
+        "random-input-len": 2048,
+        "random-output-len": 2048
+      }
+    },
+    {
+      "test_name": "serving_llama8B_int4_tp1_random_128_128",
+      "server_parameters": {
+        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_int4_tp2_random_128_128",
+      "server_parameters": {
+        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
+        "tensor_parallel_size": 2
+      },
+      "client_parameters": {
+        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_int4_tp4_random_128_128",
+      "server_parameters": {
+        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
+        "tensor_parallel_size": 4
+      },
+      "client_parameters": {
+        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_int8_tp1_random_128_128",
+      "server_parameters": {
+        "model": "RedHatAI/Meta-Llama-3.1-8B-Instruct-quantized.w8a8",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "RedHatAI/Meta-Llama-3.1-8B-Instruct-quantized.w8a8",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_int8_tp2_random_128_128",
+      "server_parameters": {
+        "model": "RedHatAI/Meta-Llama-3.1-8B-Instruct-quantized.w8a8",
+        "tensor_parallel_size": 2
+      },
+      "client_parameters": {
+        "model": "RedHatAI/Meta-Llama-3.1-8B-Instruct-quantized.w8a8",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama8B_int8_tp4_random_128_128",
+      "server_parameters": {
+        "model": "RedHatAI/Meta-Llama-3.1-8B-Instruct-quantized.w8a8",
+        "tensor_parallel_size": 4
+      },
+      "client_parameters": {
+        "model": "RedHatAI/Meta-Llama-3.1-8B-Instruct-quantized.w8a8",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_llama3B_tp1_random_128_128",
+      "server_parameters": {
+        "model": "meta-llama/Llama-3.2-3B-Instruct",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "meta-llama/Llama-3.2-3B-Instruct",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_granite2B_tp1_random_128_128",
+      "server_parameters": {
+        "model": "ibm-granite/granite-3.2-2b-instruct",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "ibm-granite/granite-3.2-2b-instruct",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_qwen1.7B_tp1_random_128_128",
+      "server_parameters": {
+        "model": "Qwen/Qwen3-1.7B",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "Qwen/Qwen3-1.7B",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_qwen4B_tp1_random_128_128",
+      "server_parameters": {
+        "model": "Qwen/Qwen3-4B",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "Qwen/Qwen3-4B",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_qwen8B_tp1_random_128_128",
+      "server_parameters": {
+        "model": "Qwen/Qwen3-8B",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "Qwen/Qwen3-8B",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_glm9B_tp1_random_128_128",
+      "server_parameters": {
+        "model": "zai-org/glm-4-9b-hf",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "zai-org/glm-4-9b-hf",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    },
+    {
+      "test_name": "serving_gemma7B_tp1_random_128_128",
+      "server_parameters": {
+        "model": "google/gemma-7b",
+        "tensor_parallel_size": 1
+      },
+      "client_parameters": {
+        "model": "google/gemma-7b",
+        "dataset_name": "random",
+        "random-input-len": 128,
+        "random-output-len": 128
+      }
+    }
+  ]
+}

.buildkite/performance-benchmarks/tests/serving-tests-cpu.json

@@ -72,17 +72,6 @@
         "random-output-len": 128
       }
     },
-    {
-      "test_name": "serving_llama8B_tp4_random_128_128",
-      "server_parameters": {
-        "tensor_parallel_size": 4
-      },
-      "client_parameters": {
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
     {
       "test_name": "serving_llama8B_tp1_random_128_2048",
       "server_parameters": {
@@ -105,17 +94,6 @@
         "random-output-len": 2048
       }
     },
-    {
-      "test_name": "serving_llama8B_tp4_random_128_2048",
-      "server_parameters": {
-        "tensor_parallel_size": 4
-      },
-      "client_parameters": {
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 2048
-      }
-    },
     {
       "test_name": "serving_llama8B_tp1_random_2048_128",
       "server_parameters": {
@@ -139,144 +117,25 @@
       }
     },
     {
-      "test_name": "serving_llama8B_tp4_random_2048_128",
-      "server_parameters": {
-        "tensor_parallel_size": 4
-      },
-      "client_parameters": {
-        "dataset_name": "random",
-        "random-input-len": 2048,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_llama8B_int4_tp1_random_128_128",
+      "test_name": "serving_llama8B_tp1_random_2048_2048",
       "server_parameters": {
-        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
         "tensor_parallel_size": 1
       },
       "client_parameters": {
-        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
         "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
+        "random-input-len": 2048,
+        "random-output-len": 2048
       }
     },
     {
-      "test_name": "serving_llama8B_int4_tp2_random_128_128",
+      "test_name": "serving_llama8B_tp2_random_2048_2048",
       "server_parameters": {
-        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
         "tensor_parallel_size": 2
       },
       "client_parameters": {
-        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_llama8B_int4_tp4_random_128_128",
-      "server_parameters": {
-        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
-        "tensor_parallel_size": 4
-      },
-      "client_parameters": {
-        "model": "hugging-quants/Meta-Llama-3.1-8B-Instruct-AWQ-INT4",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_llama3B_tp1_random_128_128",
-      "server_parameters": {
-        "model": "meta-llama/Llama-3.2-3B-Instruct",
-        "tensor_parallel_size": 1
-      },
-      "client_parameters": {
-        "model": "meta-llama/Llama-3.2-3B-Instruct",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_granite2B_tp1_random_128_128",
-      "server_parameters": {
-        "model": "ibm-granite/granite-3.2-2b-instruct",
-        "tensor_parallel_size": 1
-      },
-      "client_parameters": {
-        "model": "ibm-granite/granite-3.2-2b-instruct",
         "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_qwen1.7B_tp1_random_128_128",
-      "server_parameters": {
-        "model": "Qwen/Qwen3-1.7B",
-        "tensor_parallel_size": 1
-      },
-      "client_parameters": {
-        "model": "Qwen/Qwen3-1.7B",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_qwen4B_tp1_random_128_128",
-      "server_parameters": {
-        "model": "Qwen/Qwen3-4B",
-        "tensor_parallel_size": 1
-      },
-      "client_parameters": {
-        "model": "Qwen/Qwen3-4B",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_qwen8B_tp1_random_128_128",
-      "server_parameters": {
-        "model": "Qwen/Qwen3-8B",
-        "tensor_parallel_size": 1
-      },
-      "client_parameters": {
-        "model": "Qwen/Qwen3-8B",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_glm9B_tp1_random_128_128",
-      "server_parameters": {
-        "model": "zai-org/glm-4-9b-hf",
-        "tensor_parallel_size": 1
-      },
-      "client_parameters": {
-        "model": "zai-org/glm-4-9b-hf",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
-      }
-    },
-    {
-      "test_name": "serving_gemma7B_tp1_random_128_128",
-      "server_parameters": {
-        "model": "google/gemma-7b",
-        "tensor_parallel_size": 1
-      },
-      "client_parameters": {
-        "model": "google/gemma-7b",
-        "dataset_name": "random",
-        "random-input-len": 128,
-        "random-output-len": 128
+        "random-input-len": 2048,
+        "random-output-len": 2048
       }
     }
   ]