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feat: Enable vLLM cudagraphs#498

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jiemingz/vllm_cg
Jul 3, 2025
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feat: Enable vLLM cudagraphs#498
parthchadha merged 4 commits intomainfrom
jiemingz/vllm_cg

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@jiemingz jiemingz commented Jun 10, 2025 •
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Addresses: !186

image image image

The generation throughput shows about ~3% speedup for llama8b on 4 nodes

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@jiemingz jiemingz changed the title Draft: Enable vLLM cudagraphs Enable vLLM cudagraphs Jun 11, 2025
@jiemingz jiemingz self-assigned this Jun 11, 2025
parthchadha
parthchadha reviewed Jun 11, 2025
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@jiemingz jiemingz changed the title Enable vLLM cudagraphs feat: Enable vLLM cudagraphs Jun 13, 2025
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parthchadha suggested changes Jun 17, 2025
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parthchadha commented Jun 17, 2025

@jiemingz can you also add timing plot to the MR description showing benefits of enabling cuda graphs vs not.

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@parthchadha parthchadha added this pull request to the merge queue Jun 26, 2025
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Jun 27, 2025
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SahilJain314 commented Jun 27, 2025

Unit test failure here with the eager key missing: @jiemingz
E File "/opt/nemo-rl/nemo_rl/models/generation/vllm.py", line 336, in init
E enforce_eager=self.cfg["vllm_cfg"]["enforce_eager"],
E ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
E KeyError: 'enforce_eager'

@jiemingz jiemingz dismissed stale reviews from parthchadha and SahilJain314 via 3c08662 June 30, 2025 16:02
@jiemingz jiemingz force-pushed the jiemingz/vllm_cg branch 2 times, most recently from 3c08662 to 7bb9f3d Compare June 30, 2025 16:08
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@parthchadha parthchadha added this pull request to the merge queue Jul 2, 2025
github-merge-queue bot pushed a commit that referenced this pull request Jul 2, 2025
@jiemingz
feat: Enable vLLM cudagraphs (#498)
b1ab244 
Signed-off-by: Jimmy Zhang <jiemingz@nvidia.com>
Signed-off-by: Jimmy Zhang <133159885+jiemingz@users.noreply.github.com>
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Jul 2, 2025
parthchadha
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@parthchadha parthchadha added this pull request to the merge queue Jul 2, 2025
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to a conflict with the base branch Jul 3, 2025
jiemingz and others added 3 commits July 3, 2025 06:25
@jiemingz
vllm CG
d9e3f40 
Signed-off-by: Jimmy Zhang <jiemingz@nvidia.com>
@jiemingz
Update grpo-gemma3-27b-it-16n8g-fsdp2tp8sp-actckpt-long.yaml
1ac69d2 
Signed-off-by: Jimmy Zhang <133159885+jiemingz@users.noreply.github.com>
@jiemingz
add key
e545a48 
Signed-off-by: Jimmy Zhang <jiemingz@nvidia.com>
@jiemingz jiemingz force-pushed the jiemingz/vllm_cg branch from 2610899 to e545a48 Compare July 3, 2025 13:27
@parthchadha parthchadha added this pull request to the merge queue Jul 3, 2025
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Jul 3, 2025
@parthchadha parthchadha enabled auto-merge July 3, 2025 19:14
@parthchadha parthchadha added this pull request to the merge queue Jul 3, 2025
Merged via the queue into main with commit 6ca1588 Jul 3, 2025
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@parthchadha parthchadha deleted the jiemingz/vllm_cg branch July 3, 2025 21:22
therealnaveenkamal pushed a commit to therealnaveenkamal/RL that referenced this pull request Jul 7, 2025
@jiemingz @parthchadha @therealnaveenkamal
feat: Enable vLLM cudagraphs (NVIDIA-NeMo#498)
4eb4bf5 
Signed-off-by: Jimmy Zhang <jiemingz@nvidia.com>
Signed-off-by: Jimmy Zhang <133159885+jiemingz@users.noreply.github.com>
Co-authored-by: Parth Chadha <pchadha@nvidia.com>
jialei777 pushed a commit to jialei777/nemo-rl that referenced this pull request Jul 23, 2025
@jiemingz @parthchadha @jialei777
feat: Enable vLLM cudagraphs (NVIDIA-NeMo#498)
ab84468 
Signed-off-by: Jimmy Zhang <jiemingz@nvidia.com>
Signed-off-by: Jimmy Zhang <133159885+jiemingz@users.noreply.github.com>
Co-authored-by: Parth Chadha <pchadha@nvidia.com>
Signed-off-by: Jialei Chen <jialeic@google.com>
KiddoZhu pushed a commit that referenced this pull request Jul 28, 2025
@jiemingz @parthchadha @KiddoZhu
feat: Enable vLLM cudagraphs (#498)
8a054a4 
Signed-off-by: Jimmy Zhang <jiemingz@nvidia.com>
Signed-off-by: Jimmy Zhang <133159885+jiemingz@users.noreply.github.com>
Co-authored-by: Parth Chadha <pchadha@nvidia.com>
FannYYW pushed a commit to xxman-google/NeMo-RL that referenced this pull request Aug 5, 2025
@jiemingz @parthchadha
feat: Enable vLLM cudagraphs (NVIDIA-NeMo#498)
990a569 
Signed-off-by: Jimmy Zhang <jiemingz@nvidia.com>
Signed-off-by: Jimmy Zhang <133159885+jiemingz@users.noreply.github.com>
Co-authored-by: Parth Chadha <pchadha@nvidia.com>
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