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Added missing AVX intrinsics for fp16: in particular, implemented predux which is required by the matrix-vector code.

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This commit is contained in:
Benoit Steiner 2016-10-06 10:41:03 -07:00
parent 80b5133789
commit d485d12c51
1 changed files with 24 additions and 0 deletions
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24
Eigen/src/Core/arch/CUDA/PacketMathHalf.h
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@ -492,6 +492,30 @@ template<> EIGEN_STRONG_INLINE void pscatter<Eigen::half, Packet8h>(Eigen::half*
to[stride*7].x = aux[7].x;
}
template<> EIGEN_STRONG_INLINE Eigen::half predux<Packet8h>(const Packet8h& a) {
Packet8f af = half2float(a);
float reduced = predux<Packet8f>(af);
return Eigen::half(reduced);
}
template<> EIGEN_STRONG_INLINE Eigen::half predux_max<Packet8h>(const Packet8h& a) {
Packet8f af = half2float(a);
float reduced = predux_max<Packet8f>(af);
return Eigen::half(reduced);
}
template<> EIGEN_STRONG_INLINE Eigen::half predux_min<Packet8h>(const Packet8h& a) {
Packet8f af = half2float(a);
float reduced = predux_min<Packet8f>(af);
return Eigen::half(reduced);
}
template<> EIGEN_STRONG_INLINE Eigen::half predux_mul<Packet8h>(const Packet8h& a) {
Packet8f af = half2float(a);
float reduced = predux_mul<Packet8f>(af);
return Eigen::half(reduced);
}
EIGEN_STRONG_INLINE void
ptranspose(PacketBlock<Packet8h,8>& kernel) {
__m128i a = kernel.packet[0].x;