Feat/add nemotron nano v3 tests (#33345)

.buildkite/lm-eval-harness/configs/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16.yaml

+model_name: "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16"
+tasks:
+- name: "gsm8k"
+  metrics:
+  - name: "exact_match,strict-match"
+    value: 0.695
+  - name: "exact_match,flexible-extract"
+    value: 0.447
+limit: 1319
+num_fewshot: 5
+max_model_len: 262144
+enforce_eager: false
+apply_chat_template: true
+fewshot_as_multiturn: true
+trust_remote_code: true
\ No newline at end of file

.buildkite/lm-eval-harness/configs/NVIDIA-Nemotron-3-Nano-30B-A3B-FP8.yaml

+model_name: "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-FP8"
+tasks:
+- name: "gsm8k"
+  metrics:
+  - name: "exact_match,strict-match"
+    value: 0.7142
+  - name: "exact_match,flexible-extract"
+    value: 0.4579
+env_vars:
+  VLLM_USE_FLASHINFER_MOE_FP8: "1"
+  VLLM_FLASHINFER_MOE_BACKEND: "throughput"
+limit: 1319
+num_fewshot: 5
+max_model_len: 262144
+kv_cache_dtype: fp8
+enforce_eager: false
+apply_chat_template: true
+fewshot_as_multiturn: true
+trust_remote_code: true

.buildkite/lm-eval-harness/configs/models-large-hopper.txt

 Qwen3-235B-A22B-Instruct-2507-FP8.yaml
+NVIDIA-Nemotron-3-Nano-30B-A3B-FP8.yaml

.buildkite/lm-eval-harness/configs/models-large.txt

@@ -3,3 +3,4 @@ Meta-Llama-3-70B-Instruct.yaml
 Mixtral-8x7B-Instruct-v0.1.yaml
 Qwen2-57B-A14-Instruct.yaml
 DeepSeek-V2-Lite-Chat.yaml
+NVIDIA-Nemotron-3-Nano-30B-A3B-BF16.yaml

tests/config/base_model_arch_groundtruth.json

@@ -355,5 +355,22 @@
         "is_deepseek_mla": true,
         "is_multimodal_model": false,
         "dtype": "torch.float32"
+    },
+    "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16": {
+        "architectures": [
+            "NemotronHForCausalLM"
+        ],
+        "model_type": "nemotron_h",
+        "text_model_type": "nemotron_h",
+        "hidden_size": 2688,
+        "total_num_hidden_layers": 52,
+        "total_num_attention_heads": 32,
+        "head_size": 128,
+        "vocab_size": 131072,
+        "total_num_kv_heads": 2,
+        "num_experts": 128,
+        "is_deepseek_mla": false,
+        "is_multimodal_model": false,
+        "dtype": "torch.bfloat16"
     }
 }

tests/config/test_model_arch_config.py

@@ -14,6 +14,7 @@ from vllm.transformers_utils.model_arch_config_convertor import (
 
 BASE_TRUST_REMOTE_CODE_MODELS = {
     "nvidia/Llama-3_3-Nemotron-Super-49B-v1",
+    "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16",
     "XiaomiMiMo/MiMo-7B-RL",
     # Excluded: Not available online right now
     # "FreedomIntelligence/openPangu-Ultra-MoE-718B-V1.1",