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[ROCm] do not use __shfl sync functions #493

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[ROCm] do not use __shfl sync functions #493

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2 changes: 2 additions & 0 deletions csrc/cuda/utils.cuh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
AT_ASSERTM(x.device().is_cuda(), #x " must be CUDA tensor")
#define CHECK_INPUT(x) AT_ASSERTM(x, "Input mismatch")

#ifndef USE_ROCM
__device__ __inline__ at::Half __shfl_up_sync(const unsigned mask,
const at::Half var,
const unsigned int delta) {
Expand All @@ -17,6 +18,7 @@ __device__ __inline__ at::Half __shfl_down_sync(const unsigned mask,
const unsigned int delta) {
return __shfl_down_sync(mask, var.operator __half(), delta);
}
#endif

__device__ __inline__ at::Half __shfl_up(const at::Half var,
const unsigned int delta) {
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