269 lines
		
	
	
		
			7.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			269 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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