Pull requests / #476

#476 native head: report the cudaHostAlloc error, not just "cannot pin N MiB"

closed · @yannickloth · 0 评论 · 在 GitHub 查看

NVIDIA / CUDALinux

描述

The bare message cost a full debugging session: on Linux the failure was a missing libcuda.so.1 (a host driver library the nix loader cannot see) in a launch environment, not memory pressure.  cudaGetErrorString names the real cause, e.g. "CUDA driver version is insufficient for CUDA runtime version".

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