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Add a EIGEN_NO_CUDA option, and introduce EIGEN_CUDACC and EIGEN_CUDA_ARCH aliases

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This commit is contained in:
Gael Guennebaud
2017-07-17 01:02:51 +02:00
parent f0b154a4b0
commit bbd97b4095
33 changed files with 134 additions and 126 deletions
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28
Eigen/src/Core/arch/CUDA/PacketMathHalf.h
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@@ -15,7 +15,7 @@ namespace Eigen {
namespace internal {
// Most of the following operations require arch >= 3.0
#if defined(EIGEN_HAS_CUDA_FP16) && defined(__CUDACC__) && defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 300
#if defined(EIGEN_HAS_CUDA_FP16) && defined(EIGEN_CUDACC) && defined(EIGEN_CUDA_ARCH) && EIGEN_CUDA_ARCH >= 300
template<> struct is_arithmetic<half2> { enum { value = true }; };
@@ -69,7 +69,7 @@ template<> __device__ EIGEN_STRONG_INLINE void pstoreu<Eigen::half>(Eigen::half*
template<>
__device__ EIGEN_ALWAYS_INLINE half2 ploadt_ro<half2, Aligned>(const Eigen::half* from) {
#if __CUDA_ARCH__ >= 350
#if EIGEN_CUDA_ARCH >= 350
return __ldg((const half2*)from);
#else
return __halves2half2(*(from+0), *(from+1));
@@ -78,7 +78,7 @@ template<>
template<>
__device__ EIGEN_ALWAYS_INLINE half2 ploadt_ro<half2, Unaligned>(const Eigen::half* from) {
#if __CUDA_ARCH__ >= 350
#if EIGEN_CUDA_ARCH >= 350
return __halves2half2(__ldg(from+0), __ldg(from+1));
#else
return __halves2half2(*(from+0), *(from+1));
@@ -116,7 +116,7 @@ ptranspose(PacketBlock<half2,2>& kernel) {
}
template<> __device__ EIGEN_STRONG_INLINE half2 plset<half2>(const Eigen::half& a) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __halves2half2(a, __hadd(a, __float2half(1.0f)));
#else
float f = __half2float(a) + 1.0f;
@@ -125,7 +125,7 @@ template<> __device__ EIGEN_STRONG_INLINE half2 plset<half2>(const Eigen::half&
}
template<> __device__ EIGEN_STRONG_INLINE half2 padd<half2>(const half2& a, const half2& b) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __hadd2(a, b);
#else
float a1 = __low2float(a);
@@ -139,7 +139,7 @@ template<> __device__ EIGEN_STRONG_INLINE half2 padd<half2>(const half2& a, cons
}
template<> __device__ EIGEN_STRONG_INLINE half2 psub<half2>(const half2& a, const half2& b) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __hsub2(a, b);
#else
float a1 = __low2float(a);
@@ -153,7 +153,7 @@ template<> __device__ EIGEN_STRONG_INLINE half2 psub<half2>(const half2& a, cons
}
template<> __device__ EIGEN_STRONG_INLINE half2 pnegate(const half2& a) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __hneg2(a);
#else
float a1 = __low2float(a);
@@ -165,7 +165,7 @@ template<> __device__ EIGEN_STRONG_INLINE half2 pnegate(const half2& a) {
template<> __device__ EIGEN_STRONG_INLINE half2 pconj(const half2& a) { return a; }
template<> __device__ EIGEN_STRONG_INLINE half2 pmul<half2>(const half2& a, const half2& b) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __hmul2(a, b);
#else
float a1 = __low2float(a);
@@ -179,7 +179,7 @@ template<> __device__ EIGEN_STRONG_INLINE half2 pmul<half2>(const half2& a, cons
}
template<> __device__ EIGEN_STRONG_INLINE half2 pmadd<half2>(const half2& a, const half2& b, const half2& c) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __hfma2(a, b, c);
#else
float a1 = __low2float(a);
@@ -225,7 +225,7 @@ template<> __device__ EIGEN_STRONG_INLINE half2 pmax<half2>(const half2& a, cons
}
template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux<half2>(const half2& a) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __hadd(__low2half(a), __high2half(a));
#else
float a1 = __low2float(a);
@@ -235,7 +235,7 @@ template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux<half2>(const half2&
}
template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_max<half2>(const half2& a) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
__half first = __low2half(a);
__half second = __high2half(a);
return __hgt(first, second) ? first : second;
@@ -247,7 +247,7 @@ template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_max<half2>(const ha
}
template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_min<half2>(const half2& a) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
__half first = __low2half(a);
__half second = __high2half(a);
return __hlt(first, second) ? first : second;
@@ -259,7 +259,7 @@ template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_min<half2>(const ha
}
template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_mul<half2>(const half2& a) {
#if __CUDA_ARCH__ >= 530
#if EIGEN_CUDA_ARCH >= 530
return __hmul(__low2half(a), __high2half(a));
#else
float a1 = __low2float(a);
@@ -284,7 +284,7 @@ template<> __device__ EIGEN_STRONG_INLINE half2 pexpm1<half2>(const half2& a) {
return __floats2half2_rn(r1, r2);
}
#if defined __CUDACC_VER__ && __CUDACC_VER__ >= 80000 && defined __CUDA_ARCH__ && __CUDA_ARCH__ >= 530
#if defined __CUDACC_VER__ && __CUDACC_VER__ >= 80000 && defined EIGEN_CUDA_ARCH && EIGEN_CUDA_ARCH >= 530
template<> __device__ EIGEN_STRONG_INLINE
half2 plog<half2>(const half2& a) {