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https://github.com/paboyle/Grid.git
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266 lines
7.2 KiB
C++
266 lines
7.2 KiB
C++
#ifndef GRID_VINTEGER_H
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#define GRID_VINTEGER_H
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namespace Grid {
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// _mm256_set_m128i(hi,lo); // not defined in all versions of immintrin.h
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#ifndef _mm256_set_m128i
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#define _mm256_set_m128i(hi,lo) _mm256_insertf128_si256(_mm256_castsi128_si256(lo),(hi),1)
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#endif
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typedef uint32_t Integer;
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class vInteger {
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protected:
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public:
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ivec v;
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typedef ivec vector_type;
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typedef Integer scalar_type;
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vInteger(){};
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vInteger & operator = (const Zero & z){
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vzero(*this);
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return (*this);
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}
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vInteger(Integer a){
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vsplat(*this,a);
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};
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////////////////////////////////////
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// Arithmetic operator overloads +,-,*
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////////////////////////////////////
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friend inline vInteger operator + ( vInteger a, vInteger b)
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{
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vInteger ret;
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#if defined (AVX1)
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__m128i a0,a1;
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__m128i b0,b1;
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a0 = _mm256_extractf128_si256(a.v,0);
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b0 = _mm256_extractf128_si256(b.v,0);
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a1 = _mm256_extractf128_si256(a.v,1);
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b1 = _mm256_extractf128_si256(b.v,1);
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a0 = _mm_add_epi32(a0,b0);
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a1 = _mm_add_epi32(a1,b1);
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ret.v = _mm256_set_m128i(a1,a0);
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#endif
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#if defined (AVX2)
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ret.v = _mm256_add_epi32(a.v,b.v);
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#endif
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#ifdef SSE4
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ret.v = _mm_add_epi32(a.v,b.v);
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#endif
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#ifdef AVX512
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ret.v = _mm512_add_epi32(a.v,b.v);
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#endif
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#ifdef QPX
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// Implement as array of ints is only option
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#error
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#endif
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return ret;
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};
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friend inline vInteger operator - ( vInteger a, vInteger b)
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{
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vInteger ret;
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#if defined (AVX1)
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__m128i a0,a1;
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__m128i b0,b1;
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a0 = _mm256_extractf128_si256(a.v,0);
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b0 = _mm256_extractf128_si256(b.v,0);
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a1 = _mm256_extractf128_si256(a.v,1);
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b1 = _mm256_extractf128_si256(b.v,1);
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a0 = _mm_sub_epi32(a0,b0);
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a1 = _mm_sub_epi32(a1,b1);
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ret.v = _mm256_set_m128i(a1,a0);
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#endif
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#if defined (AVX2)
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ret.v = _mm256_sub_epi32(a.v,b.v);
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#endif
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#ifdef SSE4
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ret.v = _mm_sub_epi32(a.v,b.v);
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#endif
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#ifdef AVX512
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ret.v = _mm512_sub_epi32(a.v,b.v);
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#endif
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#ifdef QPX
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// Implement as array of ints is only option
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#error
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#endif
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return ret;
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};
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friend inline vInteger operator * ( vInteger a, vInteger b)
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{
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vInteger ret;
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#if defined (AVX1)
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__m128i a0,a1;
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__m128i b0,b1;
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a0 = _mm256_extractf128_si256(a.v,0);
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b0 = _mm256_extractf128_si256(b.v,0);
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a1 = _mm256_extractf128_si256(a.v,1);
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b1 = _mm256_extractf128_si256(b.v,1);
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a0 = _mm_mul_epi32(a0,b0);
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a1 = _mm_mul_epi32(a1,b1);
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ret.v = _mm256_set_m128i(a1,a0);
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#endif
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#if defined (AVX2)
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ret.v = _mm256_mul_epi32(a.v,b.v);
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#endif
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#ifdef SSE4
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ret.v = _mm_mul_epi32(a.v,b.v);
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#endif
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#ifdef AVX512
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// ret.v = _mm512_mul_epi32(a.v,b.v);
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ret.v = _mm512_mullo_epi32(a.v,b.v);
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#endif
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#ifdef QPX
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// Implement as array of ints is only option
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#error
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#endif
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return ret;
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};
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///////////////////////////////////////////////
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// mult, sub, add, adj,conj, mac functions
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///////////////////////////////////////////////
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friend inline void mult(vInteger * __restrict__ y,const vInteger * __restrict__ l,const vInteger *__restrict__ r) {*y = (*l) * (*r);}
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friend inline void sub (vInteger * __restrict__ y,const vInteger * __restrict__ l,const vInteger *__restrict__ r) {*y = (*l) - (*r);}
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friend inline void add (vInteger * __restrict__ y,const vInteger * __restrict__ l,const vInteger *__restrict__ r) {*y = (*l) + (*r);}
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friend inline void mac (vInteger &y,const vInteger a,const vInteger x){
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y = a*x+y;
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}
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//////////////////////////////////
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// Initialise to 1,0,i
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//////////////////////////////////
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friend inline void vone (vInteger &ret){vsplat(ret,1);}
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friend inline void vzero(vInteger &ret){vsplat(ret,0);}
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friend inline void vtrue (vInteger &ret){vsplat(ret,0xFFFFFFFF);}
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friend inline void vfalse(vInteger &ret){vsplat(ret,0);}
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/////////////////////////////////////////////////////
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// Broadcast a value across Nsimd copies.
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/////////////////////////////////////////////////////
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friend inline void vsplat(vInteger &ret,scalar_type a){
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#if defined (AVX1)|| defined (AVX2)
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ret.v = _mm256_set1_epi32(a);
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#endif
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#ifdef SSE4
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ret.v = _mm_set1_epi32(a);
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#endif
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#ifdef AVX512
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ret.v = _mm512_set1_epi32(a);
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#endif
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#ifdef QPX
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#error
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#endif
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}
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friend inline void vset(vInteger &ret,scalar_type *a){
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#if defined (AVX1)|| defined (AVX2)
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ret.v = _mm256_set_epi32(a[7],a[6],a[5],a[4],a[3],a[2],a[1],a[0]);
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#endif
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#ifdef SSE4
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ret.v = _mm_set_epi32(a[0],a[1],a[2],a[3]);
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#endif
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#ifdef AVX512
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ret.v = _mm512_set_epi32( a[15],a[14],a[13],a[12],a[11],a[10],a[9],a[8],
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a[7],a[6],a[5],a[4],a[3],a[2],a[1],a[0]);
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#endif
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#ifdef QPX
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#error
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#endif
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}
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friend inline void vstore(const vInteger &ret, Integer *a){
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#if defined (AVX1)|| defined (AVX2)
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_mm256_store_si256((__m256i*)a,ret.v);
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#endif
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#ifdef SSE4
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_mm_store_si128((__m128i *)a,ret.v);
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#endif
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#ifdef AVX512
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_mm512_store_si512(a,ret.v);
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#endif
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#ifdef QPX
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assert(0);
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#endif
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}
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friend inline void vstream(vInteger & out,const vInteger &in){
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out=in;
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}
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friend inline void prefetch(const vInteger &v)
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{
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_mm_prefetch((const char*)&v.v,_MM_HINT_T0);
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}
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// Unary negation
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friend inline vInteger operator -(const vInteger &r) {
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vInteger ret;
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vzero(ret);
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ret = ret - r;
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return ret;
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}
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friend inline Integer Reduce(const vInteger & in)
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{
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// unimplemented
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assert(0);
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}
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// *=,+=,-= operators
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inline vInteger &operator *=(const vInteger &r) {
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*this = (*this)*r;
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return *this;
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}
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inline vInteger &operator +=(const vInteger &r) {
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*this = *this+r;
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return *this;
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}
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inline vInteger &operator -=(const vInteger &r) {
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*this = *this-r;
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return *this;
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}
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friend inline void permute(vInteger &y,const vInteger b,int perm)
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{
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Gpermute<vInteger>(y,b,perm);
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}
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/*
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friend inline void merge(vInteger &y,std::vector<Integer *> &extracted)
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{
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Gmerge<vInteger,Integer>(y,extracted);
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}
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friend inline void extract(const vInteger &y,std::vector<Integer *> &extracted)
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{
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Gextract<vInteger,Integer>(y,extracted);
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}
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friend inline void merge(vInteger &y,std::vector<Integer> &extracted)
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{
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Gmerge<vInteger,Integer>(y,extracted);
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}
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friend inline void extract(const vInteger &y,std::vector<Integer> &extracted)
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{
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Gextract<vInteger,Integer>(y,extracted);
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}
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*/
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public:
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static inline int Nsimd(void) { return sizeof(ivec)/sizeof(Integer);}
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};
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inline vInteger localInnerProduct(const vInteger & l, const vInteger & r) { return l*r; }
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inline void zeroit(vInteger &z){ vzero(z);}
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inline vInteger outerProduct(const vInteger &l, const vInteger& r)
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{
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return l*r;
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}
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}
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#endif
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