[Compile] Fix Compile Warning for Capture Id #163898
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/163898
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soulitzer
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```bash DEBUG /data/vllm-community-homes/vllm-user-6/pytorch/aten/src/ATen/cuda/CUDAGraph.h(59): warning pytorch#68-D: integer conversion resulted in a change of sign DEBUG CaptureId_t capture_id_ = -1; DEBUG ^ DEBUG DEBUG Remark: The warnings can be suppressed with "-diag-suppress <warning-number>" DEBUG DEBUG /data/vllm-community-homes/vllm-user-6/pytorch/aten/src/ATen/cuda/CUDAGraph.h(59): warning pytorch#68-D: integer conversion resulted in a change of sign DEBUG CaptureId_t capture_id_ = -1; DEBUG ^ DEBUG DEBUG Remark: The warnings can be suppressed with "-diag-suppress <warning-number>" DEBUG DEBUG /data/vllm-community-homes/vllm-user-6/pytorch/aten/src/ATen/cuda/CUDAGraph.h(59): warning pytorch#68-D: integer conversion resulted in a change of sign DEBUG CaptureId_t capture_id_ = -1; DEBUG ^ ``` Cuda won't use 0 as a capture id, so it is safe to initialize with 0, which also matches the initialization in `pytorch/aten/src/ATen/native/cudnn/RNN.cpp:2362` Pull Request resolved: pytorch#163898 Approved by: https://github.com/houseroad
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Cuda won't use 0 as a capture id, so it is safe to initialize with 0, which also matches the initialization in
pytorch/aten/src/ATen/native/cudnn/RNN.cpp:2362