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| 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/AVX/Complex.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/AVX/Complex.h')
| -rw-r--r-- | Eigen/src/Core/arch/AVX/Complex.h | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/Eigen/src/Core/arch/AVX/Complex.h b/Eigen/src/Core/arch/AVX/Complex.h index 893eb2702..c2d5205f2 100644 --- a/Eigen/src/Core/arch/AVX/Complex.h +++ b/Eigen/src/Core/arch/AVX/Complex.h @@ -402,26 +402,6 @@ ptranspose(PacketBlock<Packet2cd,2>& kernel) { kernel.packet[0].v = tmp; } -template<> EIGEN_STRONG_INLINE Packet4cf pinsertfirst(const Packet4cf& a, std::complex<float> b) -{ - return Packet4cf(_mm256_blend_ps(a.v,pset1<Packet4cf>(b).v,1|2)); -} - -template<> EIGEN_STRONG_INLINE Packet2cd pinsertfirst(const Packet2cd& a, std::complex<double> b) -{ - return Packet2cd(_mm256_blend_pd(a.v,pset1<Packet2cd>(b).v,1|2)); -} - -template<> EIGEN_STRONG_INLINE Packet4cf pinsertlast(const Packet4cf& a, std::complex<float> b) -{ - return Packet4cf(_mm256_blend_ps(a.v,pset1<Packet4cf>(b).v,(1<<7)|(1<<6))); -} - -template<> EIGEN_STRONG_INLINE Packet2cd pinsertlast(const Packet2cd& a, std::complex<double> b) -{ - return Packet2cd(_mm256_blend_pd(a.v,pset1<Packet2cd>(b).v,(1<<3)|(1<<2))); -} - } // end namespace internal } // end namespace Eigen |