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Enable vectorization of pack_rhs with a column-major RHS.

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Rename and generalize Kernel<*> to PacketBlock<*,N>.
This commit is contained in:
Gael Guennebaud
2014-04-25 10:56:18 +02:00
parent b0e19db1cf
commit 3d8d0f6269
11 changed files with 64 additions and 43 deletions
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8
Eigen/src/Core/arch/AVX/Complex.h
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@@ -431,8 +431,8 @@ template<> EIGEN_STRONG_INLINE Packet2cd pcplxflip<Packet2cd>(const Packet2cd& x
return Packet2cd(_mm256_shuffle_pd(x.v, x.v, 0x5));
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4cf>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet4cf,4>& kernel) {
__m256d P0 = _mm256_castps_pd(kernel.packet[0].v);
__m256d P1 = _mm256_castps_pd(kernel.packet[1].v);
__m256d P2 = _mm256_castps_pd(kernel.packet[2].v);
@@ -449,8 +449,8 @@ ptranspose(Kernel<Packet4cf>& kernel) {
kernel.packet[2].v = _mm256_castpd_ps(_mm256_permute2f128_pd(T1, T3, 49));
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet2cd>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet2cd,2>& kernel) {
__m256d tmp = _mm256_permute2f128_pd(kernel.packet[0].v, kernel.packet[1].v, 0+(2<<4));
kernel.packet[1].v = _mm256_permute2f128_pd(kernel.packet[0].v, kernel.packet[1].v, 1+(3<<4));
kernel.packet[0].v = tmp;

26
Eigen/src/Core/arch/AVX/PacketMath.h
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@@ -498,8 +498,8 @@ struct palign_impl<Offset,Packet4d>
}
};
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet8f>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet8f,8>& kernel) {
__m256 T0 = _mm256_unpacklo_ps(kernel.packet[0], kernel.packet[1]);
__m256 T1 = _mm256_unpackhi_ps(kernel.packet[0], kernel.packet[1]);
__m256 T2 = _mm256_unpacklo_ps(kernel.packet[2], kernel.packet[3]);
@@ -526,8 +526,26 @@ ptranspose(Kernel<Packet8f>& kernel) {
kernel.packet[7] = _mm256_permute2f128_ps(S3, S7, 0x31);
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4d>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet8f,4>& kernel) {
__m256 T0 = _mm256_unpacklo_ps(kernel.packet[0], kernel.packet[1]);
__m256 T1 = _mm256_unpackhi_ps(kernel.packet[0], kernel.packet[1]);
__m256 T2 = _mm256_unpacklo_ps(kernel.packet[2], kernel.packet[3]);
__m256 T3 = _mm256_unpackhi_ps(kernel.packet[2], kernel.packet[3]);
__m256 S0 = _mm256_shuffle_ps(T0,T2,_MM_SHUFFLE(1,0,1,0));
__m256 S1 = _mm256_shuffle_ps(T0,T2,_MM_SHUFFLE(3,2,3,2));
__m256 S2 = _mm256_shuffle_ps(T1,T3,_MM_SHUFFLE(1,0,1,0));
__m256 S3 = _mm256_shuffle_ps(T1,T3,_MM_SHUFFLE(3,2,3,2));
kernel.packet[0] = _mm256_permute2f128_ps(S0, S1, 0x20);
kernel.packet[1] = _mm256_permute2f128_ps(S2, S3, 0x20);
kernel.packet[2] = _mm256_permute2f128_ps(S0, S1, 0x31);
kernel.packet[3] = _mm256_permute2f128_ps(S2, S3, 0x31);
}
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet4d,4>& kernel) {
__m256d T0 = _mm256_shuffle_pd(kernel.packet[0], kernel.packet[1], 15);
__m256d T1 = _mm256_shuffle_pd(kernel.packet[0], kernel.packet[1], 0);
__m256d T2 = _mm256_shuffle_pd(kernel.packet[2], kernel.packet[3], 15);

2
Eigen/src/Core/arch/AltiVec/Complex.h
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@@ -229,7 +229,7 @@ template<> EIGEN_STRONG_INLINE Packet2cf pcplxflip<Packet2cf>(const Packet2cf& x
return Packet2cf(vec_perm(x.v, x.v, p16uc_COMPLEX_REV));
}
template<> EIGEN_STRONG_INLINE void ptranspose(Kernel<Packet2cf>& kernel)
template<> EIGEN_STRONG_INLINE void ptranspose(PacketBlock<Packet2cf,2>& kernel)
{
Packet4f tmp = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_COMPLEX_TRANSPOSE_0);
kernel.packet[1].v = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_COMPLEX_TRANSPOSE_1);

4
Eigen/src/Core/arch/AltiVec/PacketMath.h
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@@ -539,7 +539,7 @@ struct palign_impl<Offset,Packet4i>
};
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4f>& kernel) {
ptranspose(PacketBlock<Packet4f,4>& kernel) {
Packet4f t0, t1, t2, t3;
t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
@@ -552,7 +552,7 @@ ptranspose(Kernel<Packet4f>& kernel) {
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4i>& kernel) {
ptranspose(PacketBlock<Packet4i,4>& kernel) {
Packet4i t0, t1, t2, t3;
t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);

2
Eigen/src/Core/arch/NEON/Complex.h
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@@ -264,7 +264,7 @@ template<> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, con
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet2cf>& kernel) {
ptranspose(PacketBlock<Packet2cf,2>& kernel) {
float32x4_t tmp = vcombine_f32(vget_high_f32(kernel.packet[0].v), vget_high_f32(kernel.packet[1].v));
kernel.packet[0].v = vcombine_f32(vget_low_f32(kernel.packet[0].v), vget_low_f32(kernel.packet[1].v));
kernel.packet[1].v = tmp;

4
Eigen/src/Core/arch/NEON/PacketMath.h
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@@ -452,7 +452,7 @@ PALIGN_NEON(3,Packet4i,vextq_s32)
#undef PALIGN_NEON
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4f>& kernel) {
ptranspose(PacketBlock<Packet4f,4>& kernel) {
float32x4x2_t tmp1 = vzipq_f32(kernel.packet[0], kernel.packet[1]);
float32x4x2_t tmp2 = vzipq_f32(kernel.packet[2], kernel.packet[3]);
@@ -463,7 +463,7 @@ ptranspose(Kernel<Packet4f>& kernel) {
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4i>& kernel) {
ptranspose(PacketBlock<Packet4i,4>& kernel) {
int32x4x2_t tmp1 = vzipq_s32(kernel.packet[0], kernel.packet[1]);
int32x4x2_t tmp2 = vzipq_s32(kernel.packet[2], kernel.packet[3]);
kernel.packet[0] = vcombine_s32(vget_low_s32(tmp1.val[0]), vget_low_s32(tmp2.val[0]));

4
Eigen/src/Core/arch/SSE/Complex.h
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@@ -462,8 +462,8 @@ EIGEN_STRONG_INLINE Packet1cd pcplxflip/*<Packet1cd>*/(const Packet1cd& x)
return Packet1cd(preverse(Packet2d(x.v)));
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet2cf>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet2cf,2>& kernel) {
__m128d w1 = _mm_castps_pd(kernel.packet[0].v);
__m128d w2 = _mm_castps_pd(kernel.packet[1].v);

12
Eigen/src/Core/arch/SSE/PacketMath.h
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@@ -784,20 +784,20 @@ struct palign_impl<Offset,Packet2d>
};
#endif
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4f>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet4f,4>& kernel) {
_MM_TRANSPOSE4_PS(kernel.packet[0], kernel.packet[1], kernel.packet[2], kernel.packet[3]);
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet2d>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet2d,2>& kernel) {
__m128d tmp = _mm_unpackhi_pd(kernel.packet[0], kernel.packet[1]);
kernel.packet[0] = _mm_unpacklo_pd(kernel.packet[0], kernel.packet[1]);
kernel.packet[1] = tmp;
}
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet4i>& kernel) {
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet4i,4>& kernel) {
__m128i T0 = _mm_unpacklo_epi32(kernel.packet[0], kernel.packet[1]);
__m128i T1 = _mm_unpacklo_epi32(kernel.packet[2], kernel.packet[3]);
__m128i T2 = _mm_unpackhi_epi32(kernel.packet[0], kernel.packet[1]);