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dtrmm_utcopy sve function

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Bine Brank 2021-11-13 18:48:53 +01:00
parent ab7917910d
commit 7d996b1c36
1 changed files with 128 additions and 0 deletions
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kernel/arm64/trmm_utcopy_sve_v1.c Normal file
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/*********************************************************************/
/* 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"
#ifdef __ARM_FEATURE_SVE
#include <arm_sve.h>
#endif
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG posX, BLASLONG posY, FLOAT *b){
BLASLONG i, js, j;
BLASLONG X;
int sve_len = svcntd();
FLOAT *ao;
js = 0;
svbool_t pn = svwhilelt_b64(js, n);
int n_active = svcntp_b64(svptrue_b64(), pn);
do
{
X = posX;
if (posX <= posY) {
ao = a + posX + (posY + j) * lda;
} else {
ao = a + posY + (posX + j) * lda;
}
i = 0;
/* svbool_t pm = svwhilelt_b64(i, m); */
/* int m_active = svcntp_b64(svptrue_b64(), pm); */
do
{
if (X < posY) { // optimize this: unroll over DGEMM_UNROLL_M: vl
ao ++;
b += n_active;
X ++;
i ++;
} else
if (X > posY) {
svfloat64_t aj_vec = svld1(pn, ao);
svst1(pn, b, aj_vec);
ao += lda;
b += n_active;
X ++;
i ++;
} else {
#ifdef UNIT
int temp = 0;
for (int j = 0; j < n_active; j++) {
for (int k = 0 ; k < j; k++) {
b[temp++] = *(ao+j*lda+k);
}
b[temp++] = ONE;
for (int k = j+1; k < n_active; k++) {
b[temp++] = ZERO;
}
}
#else
int temp = 0;
for (int j = 0; j < n_active; j++) {
for (int k = 0 ; k <= j; k++) {
b[temp++] = *(ao+j*lda+k);
}
for (int k = j+1; k < n_active; k++) {
b[temp++] = ZERO;
}
}
#endif
ao += n_active * lda;
b += n_active*n_active;
X += n_active;
i += n_active;
}
} while (i < m);
//printf("\n");
posY += n_active;
js += n_active;
pn = svwhilelt_b64(js, n);
n_active = svcntp_b64(svptrue_b64(), pn);
} while (svptest_any(svptrue_b64(), pn));
return 0;
}