318 lines
5.3 KiB
C
318 lines
5.3 KiB
C
/***************************************************************************
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Copyright (c) 2017, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include "common.h"
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#include <stdbool.h>
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int CNAME(BLASLONG bm,BLASLONG bn,BLASLONG bk,FLOAT alpha,FLOAT* ba,FLOAT* bb,FLOAT* C,BLASLONG ldc)
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{
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BLASLONG i,j,k;
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FLOAT *C0,*C1,*ptrba,*ptrbb;
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FLOAT res0_0;
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FLOAT res0_1;
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FLOAT res0_2;
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FLOAT res0_3;
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FLOAT res1_0;
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FLOAT res1_1;
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FLOAT res1_2;
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FLOAT res1_3;
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FLOAT a0;
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FLOAT a1;
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FLOAT b0;
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FLOAT b1;
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for (j=0; j<(bn/2); j+=2)
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{
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C0 = C;
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C1 = C0+ldc;
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ptrba = ba;
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for (i=0; i<bm/4; i+=1)
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{
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ptrbb = bb;
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res0_0 = 0;
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res0_1 = 0;
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res0_2 = 0;
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res0_3 = 0;
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res1_0 = 0;
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res1_1 = 0;
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res1_2 = 0;
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res1_3 = 0;
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for (k=0; k<bk; k++)
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{
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b0 = ptrbb[0];
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b1 = ptrbb[1];
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a0 = ptrba[0];
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res0_0 += a0*b0;
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res1_0 += a0*b1;
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a1 = ptrba[1];
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res0_1 += a1*b0;
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res1_1 += a1*b1;
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a0 = ptrba[2];
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res0_2 += a0*b0;
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res1_2 += a0*b1;
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a1 = ptrba[3];
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res0_3 += a1*b0;
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res1_3 += a1*b1;
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ptrba = ptrba+4;
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ptrbb = ptrbb+2;
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}
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res0_0 *= alpha;
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res0_1 *= alpha;
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res0_2 *= alpha;
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res0_3 *= alpha;
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res1_0 *= alpha;
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res1_1 *= alpha;
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res1_2 *= alpha;
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res1_3 *= alpha;
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C0[0] += res0_0;
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C0[1] += res0_1;
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C0[2] += res0_2;
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C0[3] += res0_3;
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C1[0] += res1_0;
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C1[1] += res1_1;
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C1[2] += res1_2;
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C1[3] += res1_3;
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C0 = C0+4;
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C1 = C1+4;
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}
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if ( bm & 2 )
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{
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ptrbb = bb;
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res0_0 = 0;
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res0_1 = 0;
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res1_0 = 0;
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res1_1 = 0;
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for (k=0; k<bk; k++)
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{
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b0 = ptrbb[0];
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b1 = ptrbb[1];
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a0 = ptrba[0];
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res0_0 += a0*b0;
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res1_0 += a0*b1;
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a1 = ptrba[1];
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res0_1 += a1*b0;
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res1_1 += a1*b1;
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ptrba = ptrba+2;
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ptrbb = ptrbb+2;
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}
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res0_0 *= alpha;
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res0_1 *= alpha;
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res1_0 *= alpha;
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res1_1 *= alpha;
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C0[0] = res0_0;
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C0[1] = res0_1;
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C1[0] = res1_0;
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C1[1] = res1_1;
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C0 = C0+2;
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C1 = C1+2;
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}
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if ( bm & 1 )
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{
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ptrbb = bb;
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res0_0 = 0;
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res1_0 = 0;
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for (k=0; k<bk; k++)
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{
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b0 = ptrbb[0];
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b1 = ptrbb[1];
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a0 = ptrba[0];
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res0_0 += a0*b0;
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res1_0 += a0*b1;
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ptrba = ptrba+1;
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ptrbb = ptrbb+2;
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}
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res0_0 *= alpha;
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res1_0 *= alpha;
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C0[0] = res0_0;
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C1[0] = res1_0;
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C0 = C0+1;
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C1 = C1+1;
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}
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k = (bk<<1);
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bb = bb+k;
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i = (ldc<<1);
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C = C+i;
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}
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for (j=0; j<(bn&1); j+=1) // do the Mx1 loops
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{
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C0 = C;
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ptrba = ba;
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for (i=0; i<bm/4; i+=1) // do blocks of 4x1 loops
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{
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ptrbb = bb;
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res0_0 = 0;
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res0_1 = 0;
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res0_2 = 0;
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res0_3 = 0;
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for (k=0; k<bk; k++)
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{
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b0 = ptrbb[0];
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a0 = ptrba[0];
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res0_0 += a0*b0;
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a1 = ptrba[1];
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res0_1 += a1*b0;
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a0 = ptrba[2];
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res0_2 += a0*b0;
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a1 = ptrba[3];
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res0_3 += a1*b0;
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ptrba = ptrba+4;
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ptrbb = ptrbb+1;
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}
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res0_0 *= alpha;
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res0_1 *= alpha;
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res0_2 *= alpha;
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res0_3 *= alpha;
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C0[0] = res0_0;
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C0[1] = res0_1;
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C0[2] = res0_2;
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C0[3] = res0_3;
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C0 = C0+4;
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}
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if ( bm & 2 ) // do any 2x1 loop
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{
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ptrbb = bb;
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res0_0 = 0;
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res0_1 = 0;
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for (k=0; k<bk; k++)
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{
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b0 = ptrbb[0];
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a0 = ptrba[0];
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res0_0 += a0*b0;
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a1 = ptrba[1];
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res0_1 += a1*b0;
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ptrba = ptrba+2;
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ptrbb = ptrbb+1;
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}
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res0_0 *= alpha;
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res0_1 *= alpha;
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C0[0] = res0_0;
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C0[1] = res0_1;
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C0 = C0+2;
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}
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if ( bm & 1 ) // do any 1x1 loop
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{
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ptrbb = bb;
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res0_0 = 0;
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for (k=0; k<bk; k++)
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{
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b0 = ptrbb[0];
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a0 = ptrba[0];
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res0_0 += a0*b0;
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ptrba = ptrba+1;
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ptrbb = ptrbb+1;
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}
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res0_0 *= alpha;
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C0[0] = res0_0;
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C0 = C0+1;
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}
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k = (bk<<0);
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bb = bb+k;
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C = C+ldc;
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}
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return 0;
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}
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