diff options
author | Gael Guennebaud <g.gael@free.fr> | 2010-07-06 23:36:00 +0200 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2010-07-06 23:36:00 +0200 |
commit | bfa606d16fcb475025f55b226617c969a623877a (patch) | |
tree | 7ce851995e67f922301f4a29ff9fa9c45d3172aa /Eigen/src/Core/arch/SSE/Complex.h | |
parent | 38d0a0d5d6a28ac5cbf1323f85105dfd0a073725 (diff) |
* add a IsVectorized mechanism (instead of packet-size>1...)
* vectorize complex<double>
Diffstat (limited to 'Eigen/src/Core/arch/SSE/Complex.h')
-rw-r--r-- | Eigen/src/Core/arch/SSE/Complex.h | 177 |
1 files changed, 163 insertions, 14 deletions
diff --git a/Eigen/src/Core/arch/SSE/Complex.h b/Eigen/src/Core/arch/SSE/Complex.h index fcc5219f5..5e9351f70 100644 --- a/Eigen/src/Core/arch/SSE/Complex.h +++ b/Eigen/src/Core/arch/SSE/Complex.h @@ -25,6 +25,7 @@ #ifndef EIGEN_COMPLEX_SSE_H #define EIGEN_COMPLEX_SSE_H +//---------- float ---------- struct Packet2cf { EIGEN_STRONG_INLINE Packet2cf() {} @@ -32,12 +33,13 @@ struct Packet2cf __m128 v; }; -typedef __m128d Packet1cd; - template<> struct ei_packet_traits<std::complex<float> > : ei_default_packet_traits { - typedef Packet2cf type; enum {size=2}; + typedef Packet2cf type; enum { + IsVectorized = 1, + size = 2, + HasAdd = 1, HasSub = 1, HasMul = 1, @@ -94,17 +96,6 @@ template<> EIGEN_STRONG_INLINE Packet2cf ei_pmul<Packet2cf>(const Packet2cf& a, // _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(b.v), 0xb1 ))), mask)))); // } -template<> EIGEN_STRONG_INLINE Packet2cf ei_pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b) -{ - // TODO optimize it for SSE3 and 4 - const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x00000000,0x80000000,0x00000000,0x80000000)); - Packet2cf res(_mm_add_ps(_mm_mul_ps(a.v, _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(b.v), 0xa0))), - _mm_xor_ps(_mm_mul_ps(_mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(a.v), 0xb1)), - _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(b.v), 0xf5 ))), mask))); - __m128 s = _mm_mul_ps(b.v,b.v); - return Packet2cf(_mm_div_ps(res.v,_mm_add_ps(s,_mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(s), 0xb1))))); -} - template<> EIGEN_STRONG_INLINE Packet2cf ei_pand <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_and_ps(a.v,b.v)); } template<> EIGEN_STRONG_INLINE Packet2cf ei_por <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_or_ps(a.v,b.v)); } template<> EIGEN_STRONG_INLINE Packet2cf ei_pxor <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_xor_ps(a.v,b.v)); } @@ -199,4 +190,162 @@ template<> struct ei_conj_helper<Packet2cf, Packet2cf, true,true> } }; +template<> EIGEN_STRONG_INLINE Packet2cf ei_pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b) +{ + // TODO optimize it for SSE3 and 4 + Packet2cf res = ei_conj_helper<Packet2cf,Packet2cf,false,true>().pmul(a,b); + __m128 s = _mm_mul_ps(b.v,b.v); + return Packet2cf(_mm_div_ps(res.v,_mm_add_ps(s,_mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(s), 0xb1))))); +} + +//---------- double ---------- +struct Packet1cd +{ + EIGEN_STRONG_INLINE Packet1cd() {} + EIGEN_STRONG_INLINE explicit Packet1cd(const __m128d& a) : v(a) {} + __m128d v; +}; + +template<> struct ei_packet_traits<std::complex<double> > : ei_default_packet_traits +{ + typedef Packet1cd type; + enum { + IsVectorized = 1, + size = 1, + + HasAdd = 1, + HasSub = 1, + HasMul = 1, + HasDiv = 1, + HasNegate = 1, + HasAbs = 0, + HasAbs2 = 0, + HasMin = 0, + HasMax = 0, + HasSetLinear = 0 + }; +}; + +template<> struct ei_unpacket_traits<Packet1cd> { typedef std::complex<double> type; enum {size=1}; }; + +// template<> EIGEN_STRONG_INLINE Packet4f ei_plset<std::complex<float> >(const std::complex<float> & a) { } + +template<> EIGEN_STRONG_INLINE Packet1cd ei_padd<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_add_pd(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_psub<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_sub_pd(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_pnegate(const Packet1cd& a) { return Packet1cd(ei_pnegate(a.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_pconj(const Packet1cd& a) +{ + const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); + return Packet1cd(_mm_xor_pd(a.v,mask)); +} + +template<> EIGEN_STRONG_INLINE Packet1cd ei_pmul<Packet1cd>(const Packet1cd& a, const Packet1cd& b) +{ + // TODO optimize it for SSE3 and 4 + const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x0,0x0,0x80000000,0x0)); + return Packet1cd(_mm_add_pd(_mm_mul_pd(_mm_unpacklo_pd(a.v, a.v), b.v), + _mm_xor_pd(_mm_mul_pd(_mm_unpackhi_pd(a.v, a.v), + _mm_shuffle_pd(b.v, b.v, 0x1)), mask))); +} + +template<> EIGEN_STRONG_INLINE Packet1cd ei_pand <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_and_pd(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_por <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_or_pd(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_pxor <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_xor_pd(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_pandnot<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_andnot_pd(a.v,b.v)); } + +template<> EIGEN_STRONG_INLINE Packet1cd ei_pload <std::complex<double> >(const std::complex<double>* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet1cd(_mm_load_pd((const double*)from)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_ploadu<std::complex<double> >(const std::complex<double>* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet1cd(ei_ploadu((const double*)from)); } +template<> EIGEN_STRONG_INLINE Packet1cd ei_pset1<std::complex<double> >(const std::complex<double>& from) +{ /* FIXME here it seems we have to use unaligned loads */ return ei_ploadu(&from); } + +template<> EIGEN_STRONG_INLINE void ei_pstore <std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_pd((double*)to, from.v); } +template<> EIGEN_STRONG_INLINE void ei_pstoreu<std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_ALIGNED_STORE ei_pstoreu((double*)to, from.v); } + +template<> EIGEN_STRONG_INLINE void ei_prefetch<std::complex<double> >(const std::complex<double> * addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); } + +template<> EIGEN_STRONG_INLINE std::complex<double> ei_pfirst<Packet1cd>(const Packet1cd& a) +{ + std::complex<double> res; + _mm_store_pd((double*)&res, a.v); + return res; +} + +template<> EIGEN_STRONG_INLINE Packet1cd ei_preverse(const Packet1cd& a) { return a; } + +// template<> EIGEN_STRONG_INLINE Packet2cf ei_pabs(const Packet2cf& a) {} + +template<> EIGEN_STRONG_INLINE std::complex<double> ei_predux<Packet1cd>(const Packet1cd& a) +{ + return ei_pfirst(a); +} + +template<> EIGEN_STRONG_INLINE Packet1cd ei_preduxp<Packet1cd>(const Packet1cd* vecs) +{ + return vecs[0]; +} + +template<> EIGEN_STRONG_INLINE std::complex<double> ei_predux_mul<Packet1cd>(const Packet1cd& a) +{ + return ei_pfirst(a); +} + +template<int Offset> +struct ei_palign_impl<Offset,Packet1cd> +{ + EIGEN_STRONG_INLINE static void run(Packet1cd& first, const Packet1cd& second) + { + } +}; + +template<> struct ei_conj_helper<Packet1cd, Packet1cd, false,true> +{ + EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const + { return ei_padd(pmul(x,y),c); } + + EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const + { +// return ei_pmul(a,ei_pconj(b)); + const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); + return Packet1cd(_mm_add_pd(_mm_xor_pd(_mm_mul_pd(_mm_unpacklo_pd(a.v, a.v), b.v), mask), + _mm_mul_pd(_mm_unpackhi_pd(a.v, a.v), + _mm_shuffle_pd(b.v, b.v, 0x1)))); + } +}; + +template<> struct ei_conj_helper<Packet1cd, Packet1cd, true,false> +{ + EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const + { return ei_padd(pmul(x,y),c); } + + EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const + { + const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); + return Packet1cd(_mm_add_pd(_mm_mul_pd(_mm_unpacklo_pd(a.v, a.v), b.v), + _mm_xor_pd(_mm_mul_pd(_mm_unpackhi_pd(a.v, a.v), + _mm_shuffle_pd(b.v, b.v, 0x1)), mask))); + } +}; + +template<> struct ei_conj_helper<Packet1cd, Packet1cd, true,true> +{ + EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const + { return ei_padd(pmul(x,y),c); } + + EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const + { + const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); + return Packet1cd(_mm_sub_pd(_mm_xor_pd(_mm_mul_pd(_mm_unpacklo_pd(a.v, a.v), b.v), mask), + _mm_mul_pd(_mm_unpackhi_pd(a.v, a.v), + _mm_shuffle_pd(b.v, b.v, 0x1)))); + } +}; + +template<> EIGEN_STRONG_INLINE Packet1cd ei_pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b) +{ + // TODO optimize it for SSE3 and 4 + Packet1cd res = ei_conj_helper<Packet1cd,Packet1cd,false,true>().pmul(a,b); + __m128d s = _mm_mul_pd(b.v,b.v); + return Packet1cd(_mm_div_pd(res.v, _mm_add_pd(s,_mm_shuffle_pd(s, s, 0x1)))); +} + #endif // EIGEN_COMPLEX_SSE_H |