/*********************************************************************/
/* 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"
static FLOAT dp1 = 1.;
#ifndef COMPLEX
#define TRMM_KERNEL TRMM_KERNEL_LN
#define SYRK_KERNEL SYRK_KERNEL_L
#else
#define TRMM_KERNEL TRMM_KERNEL_LR
#ifdef XDOUBLE
#define SYRK_KERNEL xherk_kernel_LC
#elif defined(DOUBLE)
#define SYRK_KERNEL zherk_kernel_LC
#else
#define SYRK_KERNEL cherk_kernel_LC
#endif
#endif
#if 0
#undef GEMM_P
#undef GEMM_Q
#undef GEMM_R
#define GEMM_P 8
#define GEMM_Q 20
#define GEMM_R 64
#endif
#define GEMM_PQ MAX(GEMM_P, GEMM_Q)
#define REAL_GEMM_R (GEMM_R - GEMM_PQ)
blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
BLASLONG n, lda;
FLOAT *a;
BLASLONG j, bk, blocking;
BLASLONG jjs, min_jj;
BLASLONG is, ls, ks;
BLASLONG min_i, min_l, min_k;
BLASLONG range_N[2];
FLOAT *sb2 = (FLOAT *)((((BLASLONG)sb
+ GEMM_PQ * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)
+ GEMM_OFFSET_B);
#if 0
FLOAT *aa;
#endif
n = args -> n;
a = (FLOAT *)args -> a;
lda = args -> lda;
if (range_n) {
n = range_n[1] - range_n[0];
a += range_n[0] * (lda + 1) * COMPSIZE;
}
if (n <= DTB_ENTRIES) {
LAUU2_L(args, NULL, range_n, sa, sb, 0);
return 0;
}
blocking = GEMM_Q;
if (n <= 4 * GEMM_Q) blocking = (n + 3) / 4;
for (j = 0; j < n; j += blocking) {
bk = MIN(blocking, n - j);
if (j > 0 ){
TRMM_ILNCOPY(bk, bk, a + (j + j * lda) * COMPSIZE, lda, 0, 0, sb);
for (ls = 0; ls < j; ls += REAL_GEMM_R) {
min_l = j - ls;
if (min_l > REAL_GEMM_R) min_l = REAL_GEMM_R;
#if 0
min_i = j - ls;
if (min_i > GEMM_P) min_i = GEMM_P;
if (ls + min_i >= ls + min_l) {
GEMM_INCOPY(bk, min_i, a + (j + ls * lda)* COMPSIZE, lda, sa);
aa = sa;
} else {
aa = sb2;
}
for (jjs = ls; jjs < ls + min_l; jjs += GEMM_P){
min_jj = ls + min_l - jjs;
if (min_jj > GEMM_P) min_jj = GEMM_P;
GEMM_ONCOPY(bk, min_jj, a + (j + jjs * lda) * COMPSIZE, lda, sb2 + (jjs - ls) * bk * COMPSIZE);
SYRK_KERNEL(min_i, min_jj, bk, dp1,
aa,
sb2 + (jjs - ls) * bk * COMPSIZE,
a + (ls + jjs * lda) * COMPSIZE, lda,
ls - jjs);
}
for(is = ls + min_i; is < j ; is += GEMM_P){
min_i = j - is;
if (min_i > GEMM_P) min_i = GEMM_P;
GEMM_INCOPY(bk, min_i, a + (j + is * lda)* COMPSIZE, lda, sa);
SYRK_KERNEL(min_i, min_l, bk, dp1,
sa,
sb2,
a + (is + ls * lda) * COMPSIZE, lda,
is - ls);
}
for (ks = 0; ks < bk; ks += GEMM_P) {
min_k = bk - ks;
if (min_k > GEMM_P) min_k = GEMM_P;
TRMM_KERNEL(min_k, min_l, bk, dp1,
#ifdef COMPLEX
ZERO,
#endif
sb + ks * bk * COMPSIZE,
sb2,
a + (ks + j + ls * lda) * COMPSIZE, lda, ks);
}
#else
min_i = j - ls;
if (min_i > GEMM_P) min_i = GEMM_P;
GEMM_INCOPY(bk, min_i, a + (j + ls * lda)* COMPSIZE, lda, sa);
for (jjs = ls; jjs < ls + min_l; jjs += GEMM_P){
min_jj = ls + min_l - jjs;
if (min_jj > GEMM_P) min_jj = GEMM_P;
GEMM_ONCOPY(bk, min_jj, a + (j + jjs * lda) * COMPSIZE, lda, sb2 + (jjs - ls) * bk * COMPSIZE);
SYRK_KERNEL(min_i, min_jj, bk, dp1,
sa,
sb2 + (jjs - ls) * bk * COMPSIZE,
a + (ls + jjs * lda) * COMPSIZE, lda,
ls - jjs);
}
for(is = ls + min_i; is < j ; is += GEMM_P){
min_i = j - is;
if (min_i > GEMM_P) min_i = GEMM_P;
GEMM_INCOPY(bk, min_i, a + (j + is * lda)* COMPSIZE, lda, sa);
SYRK_KERNEL(min_i, min_l, bk, dp1,
sa,
sb2,
a + (is + ls * lda) * COMPSIZE, lda,
is - ls);
}
for (ks = 0; ks < bk; ks += GEMM_P) {
min_k = bk - ks;
if (min_k > GEMM_P) min_k = GEMM_P;
TRMM_KERNEL(min_k, min_l, bk, dp1,
#ifdef COMPLEX
ZERO,
#endif
sb + ks * bk * COMPSIZE,
sb2,
a + (ks + j + ls * lda) * COMPSIZE, lda, ks);
}
#endif
}
}
if (!range_n) {
range_N[0] = j;
range_N[1] = j + bk;
} else {
range_N[0] = range_n[0] + j;
range_N[1] = range_n[0] + j + bk;
}
CNAME(args, NULL, range_N, sa, sb, 0);
}
return 0;
}