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sve trsm_kernel_LN

tags/v0.3.20
Bine Brank 4 years ago
parent
cbcea149f0
commit
be7e55880c
1 changed files with 301 additions and 0 deletions
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      kernel/arm64/trsm_kernel_LN_sve.c

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kernel/arm64/trsm_kernel_LN_sve.c View 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 "common.h"
#include "arm_sve.h"

static FLOAT dm1 = -1.;

#ifdef CONJ
#define GEMM_KERNEL GEMM_KERNEL_L
#else
#define GEMM_KERNEL GEMM_KERNEL_N
#endif

#if GEMM_DEFAULT_UNROLL_M == 16
#define GEMM_UNROLL_M_SHIFT 4
#endif
#if GEMM_DEFAULT_UNROLL_N == 16
#define GEMM_UNROLL_N_SHIFT 4
#endif

#ifndef COMPLEX

static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) {

FLOAT aa, bb;

int i, j, k;

a += (m - 1) * m;
b += (m - 1) * n;

for (i = m - 1; i >= 0; i--) {

aa = *(a + i);

for (j = 0; j < n; j ++) {
bb = *(c + i + j * ldc);
bb *= aa;
*b = bb;
*(c + i + j * ldc) = bb;
b ++;

for (k = 0; k < i; k ++){
*(c + k + j * ldc) -= bb * *(a + k);
}

}
a -= m;
b -= 2 * n;
}

}

#else

static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) {

FLOAT aa1, aa2;
FLOAT bb1, bb2;
FLOAT cc1, cc2;

int i, j, k;

ldc *= 2;
a += (m - 1) * m * 2;
b += (m - 1) * n * 2;

for (i = m - 1; i >= 0; i--) {

aa1 = *(a + i * 2 + 0);
aa2 = *(a + i * 2 + 1);

for (j = 0; j < n; j ++) {
bb1 = *(c + i * 2 + 0 + j * ldc);
bb2 = *(c + i * 2 + 1 + j * ldc);

#ifndef CONJ
cc1 = aa1 * bb1 - aa2 * bb2;
cc2 = aa1 * bb2 + aa2 * bb1;
#else
cc1 = aa1 * bb1 + aa2 * bb2;
cc2 = aa1 * bb2 - aa2 * bb1;
#endif


*(b + 0) = cc1;
*(b + 1) = cc2;
*(c + i * 2 + 0 + j * ldc) = cc1;
*(c + i * 2 + 1 + j * ldc) = cc2;
b += 2;

for (k = 0; k < i; k ++){
#ifndef CONJ
*(c + k * 2 + 0 + j * ldc) -= cc1 * *(a + k * 2 + 0) - cc2 * *(a + k * 2 + 1);
*(c + k * 2 + 1 + j * ldc) -= cc1 * *(a + k * 2 + 1) + cc2 * *(a + k * 2 + 0);
#else
*(c + k * 2 + 0 + j * ldc) -= cc1 * *(a + k * 2 + 0) + cc2 * *(a + k * 2 + 1);
*(c + k * 2 + 1 + j * ldc) -= - cc1 * *(a + k * 2 + 1) + cc2 * *(a + k * 2 + 0);
#endif
}

}
a -= m * 2;
b -= 4 * n;
}

}

#endif


int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT dummy1,
#ifdef COMPLEX
FLOAT dummy2,
#endif
FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc, BLASLONG offset){

BLASLONG i, j;
FLOAT *aa, *cc;
BLASLONG kk;
int sve_size = svcntd();

#if 0
fprintf(stderr, "TRSM KERNEL LN : m = %3ld n = %3ld k = %3ld offset = %3ld\n",
m, n, k, offset);
#endif

j = (n >> GEMM_UNROLL_N_SHIFT);

while (j > 0) {

kk = m + offset;

i = m % sve_size;
if (i) {
aa = a + ((m & ~(i - 1)) - i) * k * COMPSIZE;
cc = c + ((m & ~(i - 1)) - i) * COMPSIZE;

if (k - kk > 0) {
GEMM_KERNEL(i, GEMM_UNROLL_N, k - kk, dm1,
#ifdef COMPLEX
ZERO,
#endif
aa + i * kk * COMPSIZE,
b + GEMM_UNROLL_N * kk * COMPSIZE,
cc,
ldc);
}

solve(i, GEMM_UNROLL_N,
aa + (kk - i) * i * COMPSIZE,
b + (kk - i) * GEMM_UNROLL_N * COMPSIZE,
cc, ldc);

kk -= i;

}

i = sve_size;
if (i <= m) {
aa = a + ((m & ~(sve_size - 1)) - sve_size) * k * COMPSIZE;
cc = c + ((m & ~(sve_size - 1)) - sve_size) * COMPSIZE;

do {
if (k - kk > 0) {
GEMM_KERNEL(sve_size, GEMM_UNROLL_N, k - kk, dm1,
#ifdef COMPLEX
ZERO,
#endif
aa + sve_size * kk * COMPSIZE,
b + sve_size * kk * COMPSIZE,
cc,
ldc);
}

solve(sve_size, GEMM_UNROLL_N,
aa + (kk - sve_size) * sve_size * COMPSIZE,
b + (kk - sve_size) * GEMM_UNROLL_N * COMPSIZE,
cc, ldc);

aa -= sve_size * k * COMPSIZE;
cc -= sve_size * COMPSIZE;
kk -= sve_size;

i += sve_size;
} while (i <= m);
}


b += GEMM_UNROLL_N * k * COMPSIZE;
c += GEMM_UNROLL_N * ldc * COMPSIZE;
j --;
}

if (n & (GEMM_UNROLL_N - 1)) {

j = (GEMM_UNROLL_N >> 1);
while (j > 0) {
if (n & j) {

kk = m + offset;

i = m % sve_size;
if (i) {
aa = a + ((m & ~(i - 1)) - i) * k * COMPSIZE;
cc = c + ((m & ~(i - 1)) - i) * COMPSIZE;

if (k - kk > 0) {
GEMM_KERNEL(i, j, k - kk, dm1,
#ifdef COMPLEX
ZERO,
#endif
aa + i * kk * COMPSIZE,
b + j * kk * COMPSIZE,
cc, ldc);
}

solve(i, j,
aa + (kk - i) * i * COMPSIZE,
b + (kk - i) * j * COMPSIZE,
cc, ldc);

kk -= i;

}

i = sve_size;
if (i <= m) {
aa = a + ((m & ~(GEMM_UNROLL_M - 1)) - GEMM_UNROLL_M) * k * COMPSIZE;
cc = c + ((m & ~(GEMM_UNROLL_M - 1)) - GEMM_UNROLL_M) * COMPSIZE;

do {
if (k - kk > 0) {
GEMM_KERNEL(sve_size, j, k - kk, dm1,
#ifdef COMPLEX
ZERO,
#endif
aa + sve_size * kk * COMPSIZE,
b + j * kk * COMPSIZE,
cc,
ldc);
}

solve(sve_size, j,
aa + (kk - sve_size) * sve_size * COMPSIZE,
b + (kk - sve_size) * j * COMPSIZE,
cc, ldc);

aa -= sve_size * k * COMPSIZE;
cc -= sve_size * COMPSIZE;
kk -= sve_size;

i += sve_size;
} while (i <= m);
}

b += j * k * COMPSIZE;
c += j * ldc * COMPSIZE;
}
j >>= 1;
}
}

return 0;
}

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