---
id: pr-tilelang-1585
repo: tile-ai/tilelang
pr: 1585
title: '[Enhancement] Improve performance regression output with timing and streaming'
author: xwhzz
date: '2025-12-31'
url: https://github.com/tile-ai/tilelang/pull/1585
source_category: upstream-code
architectures:
- sm100
tags:
- attention kernel
- triton kernel
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- cuda-cpp
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: dcacc5a23d62d95d1c4bd4964a007dec26aeff8e
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- examples/blocksparse_gemm/example_blocksparse_gemm.py
- examples/deepseek_v32/fp8_lighting_indexer.py
- examples/deepseek_v32/topk_selector.py
- examples/seer_attention/block_sparse_attn_tilelang.py
- maint/scripts/regression_all.py
- maint/scripts/test_perf_regression.py
- tilelang/testing/perf_regression.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1585
head_ref_oid: a638058dbe89c8972cd843e2be3e49d785f04aab
---
# [Enhancement] Improve performance regression output with timing and streaming

- Repository: `tile-ai/tilelang`
- PR: [1585](https://github.com/tile-ai/tilelang/pull/1585)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `examples/blocksparse_gemm/example_blocksparse_gemm.py`
- `examples/deepseek_v32/fp8_lighting_indexer.py`
- `examples/deepseek_v32/topk_selector.py`
- `examples/seer_attention/block_sparse_attn_tilelang.py`
- `maint/scripts/regression_all.py`
- `maint/scripts/test_perf_regression.py`
- `tilelang/testing/perf_regression.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1585`
