268 lines
7.5 KiB
C
268 lines
7.5 KiB
C
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#include <stdio.h>
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#include "common.h"
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static FLOAT dp1 = 1.;
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#ifndef COMPLEX
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#define TRMM_KERNEL TRMM_KERNEL_RT
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#define SYRK_KERNEL SYRK_KERNEL_U
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#else
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#define TRMM_KERNEL TRMM_KERNEL_RC
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#ifdef XDOUBLE
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#define SYRK_KERNEL xherk_kernel_UN
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#elif defined(DOUBLE)
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#define SYRK_KERNEL zherk_kernel_UN
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#else
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#define SYRK_KERNEL cherk_kernel_UN
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#endif
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#endif
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#if 0
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#undef GEMM_P
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#undef GEMM_Q
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#undef GEMM_R
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#define GEMM_P 8
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#define GEMM_Q 20
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#define GEMM_R 24
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#endif
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#define GEMM_PQ MAX(GEMM_P, GEMM_Q)
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#define REAL_GEMM_R (GEMM_R - GEMM_PQ)
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blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
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BLASLONG n, lda;
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FLOAT *a;
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BLASLONG j, bk, blocking;
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BLASLONG is, ls, ks;
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BLASLONG jjs, min_jj;
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BLASLONG min_i, min_l, min_k;
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BLASLONG range_N[2];
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FLOAT *sb2 = (FLOAT *)((((BLASLONG)sb
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+ GEMM_PQ * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)
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+ GEMM_OFFSET_B);
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#if 0
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FLOAT *aa;
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#endif
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n = args -> n;
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a = (FLOAT *)args -> a;
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lda = args -> lda;
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if (range_n) {
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n = range_n[1] - range_n[0];
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a += range_n[0] * (lda + 1) * COMPSIZE;
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}
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if (n <= DTB_ENTRIES) {
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LAUU2_U(args, NULL, range_n, sa, sb, 0);
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return 0;
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}
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blocking = GEMM_Q;
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if (n <= 4 * GEMM_Q) blocking = (n + 3) / 4;
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for (j = 0; j < n; j += blocking) {
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bk = n - j;
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if (bk > blocking) bk = blocking;
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if (j > 0) {
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TRMM_OUTCOPY(bk, bk, a + (j + j * lda) * COMPSIZE, lda, 0, 0, sb);
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for (ls = 0; ls < j; ls += REAL_GEMM_R) {
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min_l = j - ls;
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#if 0
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if (min_l > REAL_GEMM_R) min_l = REAL_GEMM_R;
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min_i = ls + min_l;
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if (min_i > GEMM_P) min_i = GEMM_P;
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if (ls > 0) {
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GEMM_ITCOPY(bk, min_i, a + (j * lda) * COMPSIZE, lda, sa);
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aa = sa;
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} else {
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aa = sb2;
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}
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for (jjs = ls; jjs < ls + min_l; jjs += GEMM_P){
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min_jj = ls + min_l - jjs;
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if (min_jj > GEMM_P) min_jj = GEMM_P;
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GEMM_OTCOPY(bk, min_jj, a + (jjs + j * lda) * COMPSIZE, lda, sb2 + (jjs - ls) * bk * COMPSIZE);
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SYRK_KERNEL(min_i, min_jj, bk, dp1,
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aa,
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sb2 + (jjs - ls) * bk * COMPSIZE,
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a + (jjs * lda) * COMPSIZE, lda, - jjs);
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}
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if (ls + REAL_GEMM_R >= j ) {
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for (ks = 0; ks < bk; ks += GEMM_P) {
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min_k = bk - ks;
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if (min_k > GEMM_P) min_k = GEMM_P;
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TRMM_KERNEL(min_i, min_k, bk, dp1,
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#ifdef COMPLEX
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ZERO,
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#endif
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aa,
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sb + ks * bk * COMPSIZE,
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a + ((ks + j) * lda) * COMPSIZE, lda, -ks);
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}
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}
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for(is = min_i; is < ls + min_l ; is += GEMM_P){
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min_i = ls + min_l - is;
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if (min_i > GEMM_P) min_i = GEMM_P;
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if (is < ls) {
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GEMM_ITCOPY(bk, min_i, a + (is + j * lda) * COMPSIZE, lda, sa);
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aa = sa;
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} else {
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aa = sb2 + (is - ls) * bk * COMPSIZE;
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}
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SYRK_KERNEL(min_i, min_l, bk, dp1,
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aa,
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sb2,
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a + (is + ls * lda) * COMPSIZE, lda, is - ls);
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if (ls + REAL_GEMM_R >= j ) {
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for (ks = 0; ks < bk; ks += GEMM_P) {
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min_k = bk - ks;
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if (min_k > GEMM_P) min_k = GEMM_P;
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TRMM_KERNEL(min_i, min_k, bk, dp1,
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#ifdef COMPLEX
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ZERO,
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#endif
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aa,
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sb + ks * bk * COMPSIZE,
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a + (is + (ks + j) * lda) * COMPSIZE, lda, -ks);
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}
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}
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}
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#else
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if (min_l > REAL_GEMM_R) min_l = REAL_GEMM_R;
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min_i = ls + min_l;
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if (min_i > GEMM_P) min_i = GEMM_P;
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GEMM_ITCOPY(bk, min_i, a + (j * lda) * COMPSIZE, lda, sa);
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for (jjs = ls; jjs < ls + min_l; jjs += GEMM_P){
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min_jj = ls + min_l - jjs;
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if (min_jj > GEMM_P) min_jj = GEMM_P;
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GEMM_OTCOPY(bk, min_jj, a + (jjs + j * lda) * COMPSIZE, lda, sb2 + (jjs - ls) * bk * COMPSIZE);
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SYRK_KERNEL(min_i, min_jj, bk, dp1,
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sa,
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sb2 + (jjs - ls) * bk * COMPSIZE,
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a + (jjs * lda) * COMPSIZE, lda, - jjs);
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}
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if (ls + REAL_GEMM_R >= j ) {
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for (ks = 0; ks < bk; ks += GEMM_P) {
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min_k = bk - ks;
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if (min_k > GEMM_P) min_k = GEMM_P;
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TRMM_KERNEL(min_i, min_k, bk, dp1,
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#ifdef COMPLEX
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ZERO,
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#endif
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sa,
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sb + ks * bk * COMPSIZE,
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a + ((ks + j) * lda) * COMPSIZE, lda, -ks);
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}
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}
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for(is = min_i; is < ls + min_l ; is += GEMM_P){
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min_i = ls + min_l - is;
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if (min_i > GEMM_P) min_i = GEMM_P;
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GEMM_ITCOPY(bk, min_i, a + (is + j * lda) * COMPSIZE, lda, sa);
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SYRK_KERNEL(min_i, min_l, bk, dp1,
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sa,
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sb2,
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a + (is + ls * lda) * COMPSIZE, lda, is - ls);
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if (ls + REAL_GEMM_R >= j ) {
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for (ks = 0; ks < bk; ks += GEMM_P) {
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min_k = bk - ks;
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if (min_k > GEMM_P) min_k = GEMM_P;
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TRMM_KERNEL(min_i, min_k, bk, dp1,
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#ifdef COMPLEX
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ZERO,
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#endif
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sa,
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sb + ks * bk * COMPSIZE,
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a + (is + (ks + j) * lda) * COMPSIZE, lda, -ks);
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}
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}
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}
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#endif
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} /* end of ls */
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}
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if (!range_n) {
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range_N[0] = j;
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range_N[1] = j + bk;
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} else {
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range_N[0] = range_n[0] + j;
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range_N[1] = range_n[0] + j + bk;
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}
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CNAME(args, NULL, range_N, sa, sb, 0);
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}
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return 0;
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}
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