OpenBLAS/kernel/x86_64/dgemm_tcopy_8_skylakex.c

418 lines
11 KiB
C

/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#include <stdio.h>
#include "common.h"
#include <immintrin.h>
int CNAME(BLASLONG m, BLASLONG n, FLOAT * __restrict a, BLASLONG lda, FLOAT * __restrict b){
BLASLONG i, j;
FLOAT *aoffset;
FLOAT *aoffset1, *aoffset2, *aoffset3, *aoffset4;
FLOAT *aoffset5, *aoffset6, *aoffset7, *aoffset8;
FLOAT *boffset, *boffset1, *boffset2, *boffset3, *boffset4;
FLOAT ctemp01, ctemp02, ctemp03, ctemp04;
FLOAT ctemp05, ctemp06, ctemp07, ctemp08;
aoffset = a;
boffset = b;
#if 0
fprintf(stderr, "M = %d N = %d\n", m, n);
#endif
boffset2 = b + m * (n & ~7);
boffset3 = b + m * (n & ~3);
boffset4 = b + m * (n & ~1);
j = (m >> 3);
if (j > 0){
do{
aoffset1 = aoffset;
aoffset2 = aoffset1 + lda;
aoffset3 = aoffset2 + lda;
aoffset4 = aoffset3 + lda;
aoffset5 = aoffset4 + lda;
aoffset6 = aoffset5 + lda;
aoffset7 = aoffset6 + lda;
aoffset8 = aoffset7 + lda;
aoffset += 8 * lda;
boffset1 = boffset;
boffset += 64;
i = (n >> 3);
if (i > 0){
do{
__m512d row1, row2, row3, row4, row5, row6, row7, row8;
row1 = _mm512_loadu_pd(aoffset1);
aoffset1 += 8;
row2 = _mm512_loadu_pd(aoffset2);
aoffset2 += 8;
row3 = _mm512_loadu_pd(aoffset3);
aoffset3 += 8;
row4 = _mm512_loadu_pd(aoffset4);
aoffset4 += 8;
row5 = _mm512_loadu_pd(aoffset5);
aoffset5 += 8;
row6 = _mm512_loadu_pd(aoffset6);
aoffset6 += 8;
row7 = _mm512_loadu_pd(aoffset7);
aoffset7 += 8;
row8 = _mm512_loadu_pd(aoffset8);
aoffset8 += 8;
_mm512_storeu_pd(boffset1 + 0, row1);
_mm512_storeu_pd(boffset1 + 8, row2);
_mm512_storeu_pd(boffset1 + 16, row3);
_mm512_storeu_pd(boffset1 + 24, row4);
_mm512_storeu_pd(boffset1 + 32, row5);
_mm512_storeu_pd(boffset1 + 40, row6);
_mm512_storeu_pd(boffset1 + 48, row7);
_mm512_storeu_pd(boffset1 + 56, row8);
boffset1 += m * 8;
i --;
}while(i > 0);
}
if (n & 4){
__m256d row1, row2, row3, row4, row5, row6, row7, row8;
row1 = _mm256_loadu_pd(aoffset1);
aoffset1 += 4;
row2 = _mm256_loadu_pd(aoffset2);
aoffset2 += 4;
row3 = _mm256_loadu_pd(aoffset3);
aoffset3 += 4;
row4 = _mm256_loadu_pd(aoffset4);
aoffset4 += 4;
row5 = _mm256_loadu_pd(aoffset5);
aoffset5 += 4;
row6 = _mm256_loadu_pd(aoffset6);
aoffset6 += 4;
row7 = _mm256_loadu_pd(aoffset7);
aoffset7 += 4;
row8 = _mm256_loadu_pd(aoffset8);
aoffset8 += 4;
_mm256_storeu_pd(boffset2 + 0, row1);
_mm256_storeu_pd(boffset2 + 4, row2);
_mm256_storeu_pd(boffset2 + 8, row3);
_mm256_storeu_pd(boffset2 + 12, row4);
_mm256_storeu_pd(boffset2 + 16, row5);
_mm256_storeu_pd(boffset2 + 20, row6);
_mm256_storeu_pd(boffset2 + 24, row7);
_mm256_storeu_pd(boffset2 + 28, row8);
boffset2 += 32;
}
if (n & 2){
__m128d row1, row2, row3, row4, row5, row6, row7, row8;
row1 = _mm_loadu_pd(aoffset1);
aoffset1 += 2;
row2 = _mm_loadu_pd(aoffset2);
aoffset2 += 2;
row3 = _mm_loadu_pd(aoffset3);
aoffset3 += 2;
row4 = _mm_loadu_pd(aoffset4);
aoffset4 += 2;
row5 = _mm_loadu_pd(aoffset5);
aoffset5 += 2;
row6 = _mm_loadu_pd(aoffset6);
aoffset6 += 2;
row7 = _mm_loadu_pd(aoffset7);
aoffset7 += 2;
row8 = _mm_loadu_pd(aoffset8);
aoffset8 += 2;
_mm_storeu_pd(boffset3 + 0, row1);
_mm_storeu_pd(boffset3 + 2, row2);
_mm_storeu_pd(boffset3 + 4, row3);
_mm_storeu_pd(boffset3 + 6, row4);
_mm_storeu_pd(boffset3 + 8, row5);
_mm_storeu_pd(boffset3 + 10, row6);
_mm_storeu_pd(boffset3 + 12, row7);
_mm_storeu_pd(boffset3 + 14, row8);
boffset3 += 16;
}
if (n & 1){
ctemp01 = *(aoffset1 + 0);
aoffset1 ++;
ctemp02 = *(aoffset2 + 0);
aoffset2 ++;
ctemp03 = *(aoffset3 + 0);
aoffset3 ++;
ctemp04 = *(aoffset4 + 0);
aoffset4 ++;
ctemp05 = *(aoffset5 + 0);
aoffset5 ++;
ctemp06 = *(aoffset6 + 0);
aoffset6 ++;
ctemp07 = *(aoffset7 + 0);
aoffset7 ++;
ctemp08 = *(aoffset8 + 0);
aoffset8 ++;
*(boffset4 + 0) = ctemp01;
*(boffset4 + 1) = ctemp02;
*(boffset4 + 2) = ctemp03;
*(boffset4 + 3) = ctemp04;
*(boffset4 + 4) = ctemp05;
*(boffset4 + 5) = ctemp06;
*(boffset4 + 6) = ctemp07;
*(boffset4 + 7) = ctemp08;
boffset4 += 8;
}
j--;
}while(j > 0);
}
if (m & 4){
aoffset1 = aoffset;
aoffset2 = aoffset1 + lda;
aoffset3 = aoffset2 + lda;
aoffset4 = aoffset3 + lda;
aoffset += 4 * lda;
boffset1 = boffset;
boffset += 32;
i = (n >> 3);
if (i > 0){
do{
__m512d row1, row2, row3, row4;
row1 = _mm512_loadu_pd(aoffset1);
aoffset1 += 8;
row2 = _mm512_loadu_pd(aoffset2);
aoffset2 += 8;
row3 = _mm512_loadu_pd(aoffset3);
aoffset3 += 8;
row4 = _mm512_loadu_pd(aoffset4);
aoffset4 += 8;
_mm512_storeu_pd(boffset1 + 0, row1);
_mm512_storeu_pd(boffset1 + 8, row2);
_mm512_storeu_pd(boffset1 + 16, row3);
_mm512_storeu_pd(boffset1 + 24, row4);
boffset1 += 8 * m;
i --;
}while(i > 0);
}
if (n & 4) {
__m256d row1, row2, row3, row4;
row1 = _mm256_loadu_pd(aoffset1);
aoffset1 += 4;
row2 = _mm256_loadu_pd(aoffset2);
aoffset2 += 4;
row3 = _mm256_loadu_pd(aoffset3);
aoffset3 += 4;
row4 = _mm256_loadu_pd(aoffset4);
aoffset4 += 4;
_mm256_storeu_pd(boffset2 + 0, row1);
_mm256_storeu_pd(boffset2 + 4, row2);
_mm256_storeu_pd(boffset2 + 8, row3);
_mm256_storeu_pd(boffset2 + 12, row4);
boffset2 += 16;
}
if (n & 2){
__m128d row1, row2, row3, row4;
row1 = _mm_loadu_pd(aoffset1);
aoffset1 += 2;
row2 = _mm_loadu_pd(aoffset2);
aoffset2 += 2;
row3 = _mm_loadu_pd(aoffset3);
aoffset3 += 2;
row4 = _mm_loadu_pd(aoffset4);
aoffset4 += 2;
_mm_storeu_pd(boffset3 + 0, row1);
_mm_storeu_pd(boffset3 + 2, row2);
_mm_storeu_pd(boffset3 + 4, row3);
_mm_storeu_pd(boffset3 + 6, row4);
boffset3 += 8;
}
if (n & 1){
ctemp01 = *(aoffset1 + 0);
aoffset1 ++;
ctemp02 = *(aoffset2 + 0);
aoffset2 ++;
ctemp03 = *(aoffset3 + 0);
aoffset3 ++;
ctemp04 = *(aoffset4 + 0);
aoffset4 ++;
*(boffset4 + 0) = ctemp01;
*(boffset4 + 1) = ctemp02;
*(boffset4 + 2) = ctemp03;
*(boffset4 + 3) = ctemp04;
boffset4 += 4;
}
}
if (m & 2){
aoffset1 = aoffset;
aoffset2 = aoffset1 + lda;
aoffset += 2 * lda;
boffset1 = boffset;
boffset += 16;
i = (n >> 3);
if (i > 0){
do{
__m512d row1, row2;
row1 = _mm512_loadu_pd(aoffset1);
aoffset1 += 8;
row2 = _mm512_loadu_pd(aoffset2);
aoffset2 += 8;
_mm512_storeu_pd(boffset1 + 0, row1);
_mm512_storeu_pd(boffset1 + 8, row2);
boffset1 += 8 * m;
i --;
}while(i > 0);
}
if (n & 4){
__m256d row1, row2;
row1 = _mm256_loadu_pd(aoffset1);
aoffset1 += 4;
row2 = _mm256_loadu_pd(aoffset2);
aoffset2 += 4;
_mm256_storeu_pd(boffset2 + 0, row1);
_mm256_storeu_pd(boffset2 + 4, row2);
boffset2 += 8;
}
if (n & 2){
__m128d row1, row2;
row1 = _mm_loadu_pd(aoffset1);
aoffset1 += 2;
row2 = _mm_loadu_pd(aoffset2);
aoffset2 += 2;
_mm_storeu_pd(boffset3 + 0, row1);
_mm_storeu_pd(boffset3 + 2, row2);
boffset3 += 4;
}
if (n & 1){
ctemp01 = *(aoffset1 + 0);
aoffset1 ++;
ctemp02 = *(aoffset2 + 0);
aoffset2 ++;
*(boffset4 + 0) = ctemp01;
*(boffset4 + 1) = ctemp02;
boffset4 += 2;
}
}
if (m & 1){
aoffset1 = aoffset;
// aoffset += lda;
boffset1 = boffset;
// boffset += 8;
i = (n >> 3);
if (i > 0){
do{
__m512d row1;
row1 = _mm512_loadu_pd(aoffset1);
aoffset1 += 8;
_mm512_storeu_pd(boffset1 + 0, row1);
boffset1 += 8 * m;
i --;
}while(i > 0);
}
if (n & 4){
__m256d row1;
row1 = _mm256_loadu_pd(aoffset1);
aoffset1 += 4;
_mm256_storeu_pd(boffset2 + 0, row1);
// boffset2 += 4;
}
if (n & 2){
__m128d row1;
row1 = _mm_loadu_pd(aoffset1);
aoffset1 += 2;
_mm_storeu_pd(boffset3 + 0, row1);
// boffset3 += 2;
}
if (n & 1){
ctemp01 = *(aoffset1 + 0);
aoffset1 ++;
*(boffset4 + 0) = ctemp01;
boffset4 ++;
}
}
return 0;
}