diff options
| author |  Rasmus Munk Larsen <rmlarsen@google.com> | 2020-05-08 15:41:50 -0700 |
|---|---|---|
| committer | Rasmus Munk Larsen <rmlarsen@google.com> | 2020-05-08 15:41:50 -0700 |
| commit | c1d944dd913d05180b7d2d1229072c9c52a11f29 (patch) | |
| tree | 80a936a6403af21079445e000c897c7357c122bf /Eigen/src/Core/arch/AVX512/PacketMath.h | |
| parent | 5c4e19fbe7ea19d9d8b51243515f972237a49267 (diff) | |
Remove packet ops pinsertfirst and pinsertlast that are only used in a single place, and can be replaced by other ops when constructing the first/final packet in linspaced_op_impl::packetOp.
I cannot measure any performance changes for SSE, AVX, or AVX512.
name old time/op new time/op delta
BM_LinSpace<float>/1 1.63ns ± 0% 1.63ns ± 0% ~ (p=0.762 n=5+5)
BM_LinSpace<float>/8 4.92ns ± 3% 4.89ns ± 3% ~ (p=0.421 n=5+5)
BM_LinSpace<float>/64 34.6ns ± 0% 34.6ns ± 0% ~ (p=0.841 n=5+5)
BM_LinSpace<float>/512 217ns ± 0% 217ns ± 0% ~ (p=0.421 n=5+5)
BM_LinSpace<float>/4k 1.68µs ± 0% 1.68µs ± 0% ~ (p=1.000 n=5+5)
BM_LinSpace<float>/32k 13.3µs ± 0% 13.3µs ± 0% ~ (p=0.905 n=5+4)
BM_LinSpace<float>/256k 107µs ± 0% 107µs ± 0% ~ (p=0.841 n=5+5)
BM_LinSpace<float>/1M 427µs ± 0% 427µs ± 0% ~ (p=0.690 n=5+5)
Diffstat (limited to 'Eigen/src/Core/arch/AVX512/PacketMath.h')
| -rw-r--r-- | Eigen/src/Core/arch/AVX512/PacketMath.h | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/Eigen/src/Core/arch/AVX512/PacketMath.h b/Eigen/src/Core/arch/AVX512/PacketMath.h index 346d1f06e..10a1d4adb 100644 --- a/Eigen/src/Core/arch/AVX512/PacketMath.h +++ b/Eigen/src/Core/arch/AVX512/PacketMath.h @@ -1194,26 +1194,6 @@ EIGEN_STRONG_INLINE Packet8d pblend(const Selector<8>& ifPacket, return _mm512_mask_blend_pd(m, elsePacket, thenPacket); } -template<> EIGEN_STRONG_INLINE Packet16f pinsertfirst(const Packet16f& a, float b) -{ - return _mm512_mask_broadcastss_ps(a, (1), _mm_load_ss(&b)); -} - -template<> EIGEN_STRONG_INLINE Packet8d pinsertfirst(const Packet8d& a, double b) -{ - return _mm512_mask_broadcastsd_pd(a, (1), _mm_load_sd(&b)); -} - -template<> EIGEN_STRONG_INLINE Packet16f pinsertlast(const Packet16f& a, float b) -{ - return _mm512_mask_broadcastss_ps(a, (1<<15), _mm_load_ss(&b)); -} - -template<> EIGEN_STRONG_INLINE Packet8d pinsertlast(const Packet8d& a, double b) -{ - return _mm512_mask_broadcastsd_pd(a, (1<<7), _mm_load_sd(&b)); -} - template<> EIGEN_STRONG_INLINE Packet16i pcast<Packet16f, Packet16i>(const Packet16f& a) { return _mm512_cvttps_epi32(a); } @@ -1432,16 +1412,6 @@ template<> EIGEN_STRONG_INLINE Packet16h preverse(const Packet16h& a) _mm_shuffle_epi8(_mm256_extractf128_si256(a,0),m), 1); } -template<> EIGEN_STRONG_INLINE Packet16h pinsertfirst(const Packet16h& a, Eigen::half b) -{ - return _mm256_insert_epi16(a,b.x,0); -} - -template<> EIGEN_STRONG_INLINE Packet16h pinsertlast(const Packet16h& a, Eigen::half b) -{ - return _mm256_insert_epi16(a,b.x,15); -} - template<> EIGEN_STRONG_INLINE Packet16h pgather<Eigen::half, Packet16h>(const Eigen::half* from, Index stride) { return _mm256_set_epi16( |