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21 lines
621 B
C++
21 lines
621 B
C++
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#include <c10/cuda/CUDAMiscFunctions.h>
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#include <stdlib.h>
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namespace c10 {
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namespace cuda {
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const char* get_cuda_check_suffix() noexcept {
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static char* device_blocking_flag = getenv("CUDA_LAUNCH_BLOCKING");
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static bool blocking_enabled =
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(device_blocking_flag && atoi(device_blocking_flag));
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if (blocking_enabled) {
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return "";
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} else {
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return "\nCUDA kernel errors might be asynchronously reported at some"
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" other API call,so the stacktrace below might be incorrect."
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"\nFor debugging consider passing CUDA_LAUNCH_BLOCKING=1.";
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}
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}
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} // namespace cuda
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} // namespace c10
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