#pragma once
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#include <ATen/ATen.h>
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#include <ATen/cuda/Exceptions.h>
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#include <THC/THC.h>
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#include <ATen/cudnn/cudnn-wrapper.h>
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#include <ATen/cudnn/Handle.h>
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namespace at { namespace native {
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inline void setCuDNNStreamToCurrent() {
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// TODO: Should getCurrentStream be a method on Context?
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AT_CUDNN_CHECK(cudnnSetStream(getCudnnHandle(), at::cuda::getCurrentCUDAStream()));
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}
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// cuDNN has a buggy check for tensor being contiguous (that is, it does
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// not ignore stride for dimension that is equal to 0). This function
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// makes tensors which have zero stride contiguous, by setting the
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// strides to 1 as cuDNN likes.
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inline Tensor contiguousIfZeroInStrides(const Tensor& t) {
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for (auto s : t.strides()) {
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if (s == 0) return t.contiguous();
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}
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return t;
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}
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}}
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