395 lines
9.6 KiB
C
395 lines
9.6 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 <ctype.h>
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#include "common.h"
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#ifdef FUNCTION_PROFILE
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#include "functable.h"
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#endif
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#ifndef COMPLEX
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#ifdef XDOUBLE
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#define ERROR_NAME "QSYR2K"
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#elif defined(DOUBLE)
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#define ERROR_NAME "DSYR2K"
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#else
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#define ERROR_NAME "SSYR2K"
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#endif
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#else
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#ifndef HEMM
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#ifdef XDOUBLE
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#define ERROR_NAME "XSYR2K"
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#elif defined(DOUBLE)
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#define ERROR_NAME "ZSYR2K"
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#else
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#define ERROR_NAME "CSYR2K"
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#endif
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#else
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#ifdef XDOUBLE
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#define ERROR_NAME "XHER2K"
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#elif defined(DOUBLE)
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#define ERROR_NAME "ZHER2K"
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#else
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#define ERROR_NAME "CHER2K"
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#endif
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#endif
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#endif
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static int (*syr2k[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) = {
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#ifndef HEMM
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SYR2K_UN, SYR2K_UC, SYR2K_LN, SYR2K_LC,
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#else
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HER2K_UN, HER2K_UC, HER2K_LN, HER2K_LC,
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#endif
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};
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#ifndef CBLAS
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void NAME(char *UPLO, char *TRANS,
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blasint *N, blasint *K,
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FLOAT *alpha, FLOAT *a, blasint *ldA,
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FLOAT *b, blasint *ldB,
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FLOAT *beta, FLOAT *c, blasint *ldC){
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char uplo_arg = *UPLO;
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char trans_arg = *TRANS;
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blas_arg_t args;
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FLOAT *buffer;
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FLOAT *sa, *sb;
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#ifdef SMP
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#ifndef COMPLEX
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#ifdef XDOUBLE
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int mode = BLAS_XDOUBLE | BLAS_REAL;
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#elif defined(DOUBLE)
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int mode = BLAS_DOUBLE | BLAS_REAL;
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#else
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int mode = BLAS_SINGLE | BLAS_REAL;
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#endif
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#else
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#ifdef XDOUBLE
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int mode = BLAS_XDOUBLE | BLAS_COMPLEX;
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#elif defined(DOUBLE)
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int mode = BLAS_DOUBLE | BLAS_COMPLEX;
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#else
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int mode = BLAS_SINGLE | BLAS_COMPLEX;
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#endif
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#endif
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#endif
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blasint info;
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int uplo;
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int trans;
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int nrowa;
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PRINT_DEBUG_NAME;
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args.n = *N;
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args.k = *K;
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args.a = (void *)a;
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args.b = (void *)b;
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args.c = (void *)c;
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args.lda = *ldA;
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args.ldb = *ldB;
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args.ldc = *ldC;
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args.alpha = (void *)alpha;
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args.beta = (void *)beta;
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TOUPPER(uplo_arg);
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TOUPPER(trans_arg);
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uplo = -1;
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trans = -1;
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if (uplo_arg == 'U') uplo = 0;
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if (uplo_arg == 'L') uplo = 1;
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#ifndef COMPLEX
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if (trans_arg == 'N') trans = 0;
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if (trans_arg == 'T') trans = 1;
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if (trans_arg == 'C') trans = 1;
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#else
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#ifdef HEMM
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if (trans_arg == 'N') trans = 0;
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if (trans_arg == 'C') trans = 1;
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#else
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if (trans_arg == 'N') trans = 0;
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if (trans_arg == 'T') trans = 1;
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#endif
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#endif
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nrowa = args.n;
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if (trans & 1) nrowa = args.k;
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info = 0;
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if (args.ldc < MAX(1,args.n)) info = 12;
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if (args.ldb < MAX(1,nrowa)) info = 9;
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if (args.lda < MAX(1,nrowa)) info = 7;
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if (args.k < 0) info = 4;
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if (args.n < 0) info = 3;
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if (trans < 0) info = 2;
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if (uplo < 0) info = 1;
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if (info != 0) {
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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return;
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}
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#else
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void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, enum CBLAS_TRANSPOSE Trans,
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blasint n, blasint k,
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#ifndef COMPLEX
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FLOAT alpha,
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FLOAT *a, blasint lda,
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FLOAT *b, blasint ldb,
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#else
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void *valpha,
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void *va, blasint lda,
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void *vb, blasint ldb,
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#endif
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#if !defined(COMPLEX) || defined(HEMM)
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FLOAT beta,
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#else
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void *vbeta,
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#endif
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#ifndef COMPLEX
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FLOAT *c,
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#else
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void *vc,
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#endif
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blasint ldc) {
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#ifdef COMPLEX
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FLOAT* alpha = (FLOAT*) valpha;
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#if !defined(HEMM)
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FLOAT* beta = (FLOAT*) vbeta;
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#endif
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FLOAT* a = (FLOAT*) va;
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FLOAT* b = (FLOAT*) vb;
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FLOAT* c = (FLOAT*) vc;
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#endif
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blas_arg_t args;
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int uplo, trans;
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blasint info, nrowa;
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FLOAT *buffer;
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FLOAT *sa, *sb;
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#ifdef HEMM
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FLOAT CAlpha[2];
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#endif
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#ifdef SMP
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#ifndef COMPLEX
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#ifdef XDOUBLE
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int mode = BLAS_XDOUBLE | BLAS_REAL;
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#elif defined(DOUBLE)
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int mode = BLAS_DOUBLE | BLAS_REAL;
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#else
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int mode = BLAS_SINGLE | BLAS_REAL;
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#endif
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#else
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#ifdef XDOUBLE
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int mode = BLAS_XDOUBLE | BLAS_COMPLEX;
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#elif defined(DOUBLE)
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int mode = BLAS_DOUBLE | BLAS_COMPLEX;
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#else
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int mode = BLAS_SINGLE | BLAS_COMPLEX;
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#endif
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#endif
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#endif
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PRINT_DEBUG_CNAME;
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args.n = n;
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args.k = k;
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args.a = (void *)a;
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args.b = (void *)b;
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args.c = (void *)c;
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args.lda = lda;
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args.ldb = ldb;
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args.ldc = ldc;
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#ifndef COMPLEX
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args.alpha = (void *)α
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#else
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args.alpha = (void *)alpha;
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#endif
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#if !defined(COMPLEX) || defined(HEMM)
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args.beta = (void *)β
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#else
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args.beta = (void *)beta;
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#endif
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trans = -1;
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uplo = -1;
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info = 0;
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if (order == CblasColMajor) {
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if (Uplo == CblasUpper) uplo = 0;
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if (Uplo == CblasLower) uplo = 1;
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if (Trans == CblasNoTrans) trans = 0;
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#ifndef COMPLEX
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if (Trans == CblasTrans) trans = 1;
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if (Trans == CblasConjNoTrans) trans = 0;
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if (Trans == CblasConjTrans) trans = 1;
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#elif !defined(HEMM)
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if (Trans == CblasTrans) trans = 1;
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#else
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if (Trans == CblasConjTrans) trans = 1;
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#endif
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info = -1;
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nrowa = args.n;
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if (trans & 1) nrowa = args.k;
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if (args.ldc < MAX(1,args.n)) info = 12;
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if (args.ldb < MAX(1,nrowa)) info = 9;
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if (args.lda < MAX(1,nrowa)) info = 7;
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if (args.k < 0) info = 4;
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if (args.n < 0) info = 3;
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if (trans < 0) info = 2;
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if (uplo < 0) info = 1;
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}
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if (order == CblasRowMajor) {
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#ifdef HEMM
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CAlpha[0] = alpha[0];
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CAlpha[1] = -alpha[1];
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args.alpha = (void *)CAlpha;
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#endif
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if (Uplo == CblasUpper) uplo = 1;
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if (Uplo == CblasLower) uplo = 0;
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if (Trans == CblasNoTrans) trans = 1;
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#ifndef COMPLEX
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if (Trans == CblasTrans) trans = 0;
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if (Trans == CblasConjNoTrans) trans = 1;
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if (Trans == CblasConjTrans) trans = 0;
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#elif !defined(HEMM)
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if (Trans == CblasTrans) trans = 0;
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#else
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if (Trans == CblasConjTrans) trans = 0;
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#endif
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info = -1;
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nrowa = args.n;
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if (trans & 1) nrowa = args.k;
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if (args.ldc < MAX(1,args.n)) info = 12;
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if (args.ldb < MAX(1,nrowa)) info = 9;
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if (args.lda < MAX(1,nrowa)) info = 7;
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if (args.k < 0) info = 4;
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if (args.n < 0) info = 3;
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if (trans < 0) info = 2;
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if (uplo < 0) info = 1;
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}
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if (info >= 0) {
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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return;
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}
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#endif
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if (args.n == 0) return;
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IDEBUG_START;
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FUNCTION_PROFILE_START();
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buffer = (FLOAT *)blas_memory_alloc(0);
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sa = (FLOAT *)((BLASLONG)buffer + GEMM_OFFSET_A);
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sb = (FLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
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#ifdef SMP
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if (!trans){
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mode |= (BLAS_TRANSA_N | BLAS_TRANSB_T);
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} else {
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mode |= (BLAS_TRANSA_T | BLAS_TRANSB_N);
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}
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mode |= (uplo << BLAS_UPLO_SHIFT);
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args.common = NULL;
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args.nthreads = num_cpu_avail(3);
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if (args.nthreads == 1) {
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#endif
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(syr2k[(uplo << 1) | trans ])(&args, NULL, NULL, sa, sb, 0);
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#ifdef SMP
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} else {
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syrk_thread(mode, &args, NULL, NULL, syr2k[(uplo << 1) | trans ], sa, sb, args.nthreads);
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}
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#endif
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blas_memory_free(buffer);
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FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, 2 * args.n * args.k + args.n * args.n, 2 * args.n * args.n * args.k);
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IDEBUG_END;
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return;
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}
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