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Misc fixes for fp16

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This commit is contained in:
Benoit Steiner 2016-05-11 20:11:14 -07:00
parent 56a1757d74
commit 518149e868
1 changed files with 2 additions and 2 deletions
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4
Eigen/src/Core/arch/CUDA/Half.h
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@ -551,14 +551,14 @@ struct hash<Eigen::half> {
// Add the missing shfl_xor intrinsic
#if defined(EIGEN_HAS_CUDA_FP16) && defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 300
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 300
__device__ EIGEN_STRONG_INLINE Eigen::half __shfl_xor(Eigen::half var, int laneMask, int width=warpSize) {
return static_cast<Eigen::half>(__shfl_xor(static_cast<float>(var), laneMask, width));
}
#endif
// ldg() has an overload for __half, but we also need one for Eigen::half.
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 320
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 350
static EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC Eigen::half __ldg(const Eigen::half* ptr) {
return Eigen::internal::raw_uint16_to_half(
__ldg(reinterpret_cast<const unsigned short*>(ptr)));