277 lines
6.0 KiB
C
277 lines
6.0 KiB
C
/***************************************************************************
|
|
Copyright (c) 2013, The OpenBLAS Project
|
|
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.
|
|
3. Neither the name of the OpenBLAS project nor the names of
|
|
its contributors may be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 OPENBLAS PROJECT 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.
|
|
*****************************************************************************/
|
|
|
|
|
|
#include "common.h"
|
|
|
|
|
|
#if defined(BULLDOZER) || defined(PILEDRIVER) || defined(STEAMROLLER) || defined(EXCAVATOR)
|
|
#include "dsymv_U_microk_bulldozer-2.c"
|
|
#elif defined(HASWELL) || defined(ZEN) || defined (SKYLAKEX) || defined (COOPERLAKE) || defined (SAPPHIRERAPIDS)
|
|
#include "dsymv_U_microk_haswell-2.c"
|
|
#elif defined(SANDYBRIDGE)
|
|
#include "dsymv_U_microk_sandy-2.c"
|
|
#elif defined(NEHALEM)
|
|
#include "dsymv_U_microk_nehalem-2.c"
|
|
#endif
|
|
|
|
#ifndef HAVE_KERNEL_4x4
|
|
|
|
static void dsymv_kernel_4x4(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
|
|
{
|
|
FLOAT at0,at1,at2,at3;
|
|
FLOAT x;
|
|
FLOAT tmp2[4] = { 0.0, 0.0, 0.0, 0.0 };
|
|
FLOAT tp0;
|
|
FLOAT tp1;
|
|
FLOAT tp2;
|
|
FLOAT tp3;
|
|
BLASLONG i;
|
|
|
|
tp0 = temp1[0];
|
|
tp1 = temp1[1];
|
|
tp2 = temp1[2];
|
|
tp3 = temp1[3];
|
|
|
|
for (i=0; i<n; i++)
|
|
{
|
|
at0 = a0[i];
|
|
at1 = a1[i];
|
|
at2 = a2[i];
|
|
at3 = a3[i];
|
|
x = xp[i];
|
|
yp[i] += tp0 * at0 + tp1 *at1 + tp2 * at2 + tp3 * at3;
|
|
tmp2[0] += at0 * x;
|
|
tmp2[1] += at1 * x;
|
|
tmp2[2] += at2 * x;
|
|
tmp2[3] += at3 * x;
|
|
|
|
}
|
|
|
|
temp2[0] += tmp2[0];
|
|
temp2[1] += tmp2[1];
|
|
temp2[2] += tmp2[2];
|
|
temp2[3] += tmp2[3];
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
#ifndef HAVE_KERNEL_1x4
|
|
|
|
static void dsymv_kernel_1x4(BLASLONG from, BLASLONG to, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
|
|
{
|
|
FLOAT at0,at1,at2,at3;
|
|
FLOAT x;
|
|
FLOAT tmp2[4] = { 0.0, 0.0, 0.0, 0.0 };
|
|
FLOAT tp0;
|
|
FLOAT tp1;
|
|
FLOAT tp2;
|
|
FLOAT tp3;
|
|
BLASLONG i;
|
|
|
|
tp0 = temp1[0];
|
|
tp1 = temp1[1];
|
|
tp2 = temp1[2];
|
|
tp3 = temp1[3];
|
|
|
|
for (i=from; i<to; i++)
|
|
{
|
|
at0 = a0[i];
|
|
at1 = a1[i];
|
|
at2 = a2[i];
|
|
at3 = a3[i];
|
|
x = xp[i];
|
|
yp[i] += tp0 * at0 + tp1 *at1 + tp2 * at2 + tp3 * at3;
|
|
tmp2[0] += at0 * x;
|
|
tmp2[1] += at1 * x;
|
|
tmp2[2] += at2 * x;
|
|
tmp2[3] += at3 * x;
|
|
|
|
}
|
|
|
|
temp2[0] += tmp2[0];
|
|
temp2[1] += tmp2[1];
|
|
temp2[2] += tmp2[2];
|
|
temp2[3] += tmp2[3];
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
static void dsymv_kernel_8x1(BLASLONG n, FLOAT *a0, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
|
|
{
|
|
FLOAT at0,at1,at2,at3;
|
|
FLOAT temp = 0.0;
|
|
FLOAT t1 = *temp1;
|
|
BLASLONG i;
|
|
|
|
for (i=0; i<(n/4)*4; i+=4)
|
|
{
|
|
at0 = a0[i];
|
|
at1 = a0[i+1];
|
|
at2 = a0[i+2];
|
|
at3 = a0[i+3];
|
|
|
|
yp[i] += t1 * at0;
|
|
temp += at0 * xp[i];
|
|
yp[i+1] += t1 * at1;
|
|
temp += at1 * xp[i+1];
|
|
|
|
yp[i+2] += t1 * at2;
|
|
temp += at2 * xp[i+2];
|
|
yp[i+3] += t1 * at3;
|
|
temp += at3 * xp[i+3];
|
|
|
|
}
|
|
*temp2 = temp;
|
|
}
|
|
|
|
int CNAME(BLASLONG m, BLASLONG offset, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
|
|
{
|
|
BLASLONG i;
|
|
BLASLONG ix,iy;
|
|
BLASLONG jx,jy;
|
|
BLASLONG j;
|
|
BLASLONG j1;
|
|
BLASLONG j2;
|
|
BLASLONG m2;
|
|
FLOAT temp1;
|
|
FLOAT temp2;
|
|
FLOAT *xp, *yp;
|
|
FLOAT *a0,*a1,*a2,*a3;
|
|
FLOAT tmp1[4];
|
|
FLOAT tmp2[4];
|
|
|
|
#if 0
|
|
if( m != offset )
|
|
printf("Symv_U: m=%d offset=%d\n",m,offset);
|
|
#endif
|
|
|
|
BLASLONG m1 = m - offset;
|
|
BLASLONG mrange = m -m1;
|
|
|
|
if ( (inc_x!=1) || (inc_y!=1) || (mrange<16) )
|
|
{
|
|
|
|
jx = m1 * inc_x;
|
|
jy = m1 * inc_y;
|
|
|
|
for (j=m1; j<m; j++)
|
|
{
|
|
temp1 = alpha * x[jx];
|
|
temp2 = 0.0;
|
|
iy = 0;
|
|
ix = 0;
|
|
for (i=0; i<j; i++)
|
|
{
|
|
y[iy] += temp1 * a[j*lda+i];
|
|
temp2 += a[j*lda+i] * x[ix];
|
|
ix += inc_x;
|
|
iy += inc_y;
|
|
|
|
}
|
|
y[jy] += temp1 * a[j*lda+j] + alpha * temp2;
|
|
jx += inc_x;
|
|
jy += inc_y;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
xp = x;
|
|
yp = y;
|
|
|
|
m2 = m - ( mrange % 4 );
|
|
|
|
for (j=m1; j<m2; j+=4)
|
|
{
|
|
tmp1[0] = alpha * xp[j];
|
|
tmp1[1] = alpha * xp[j+1];
|
|
tmp1[2] = alpha * xp[j+2];
|
|
tmp1[3] = alpha * xp[j+3];
|
|
tmp2[0] = 0.0;
|
|
tmp2[1] = 0.0;
|
|
tmp2[2] = 0.0;
|
|
tmp2[3] = 0.0;
|
|
a0 = &a[j*lda];
|
|
a1 = a0+lda;
|
|
a2 = a1+lda;
|
|
a3 = a2+lda;
|
|
j1 = (j/8)*8;
|
|
if ( j1 )
|
|
dsymv_kernel_4x4(j1, a0, a1, a2, a3, xp, yp, tmp1, tmp2);
|
|
if ( j1 < j )
|
|
dsymv_kernel_1x4(j1, j, a0, a1, a2, a3, xp, yp, tmp1, tmp2);
|
|
|
|
j2 = 0;
|
|
for ( j1 = j ; j1 < j+4 ; j1++ )
|
|
{
|
|
temp1 = tmp1[j2];
|
|
temp2 = tmp2[j2];
|
|
a0 = &a[j1*lda];
|
|
for ( i=j ; i<j1; i++ )
|
|
{
|
|
yp[i] += temp1 * a0[i];
|
|
temp2 += a0[i] * xp[i];
|
|
|
|
}
|
|
y[j1] += temp1 * a0[j1] + alpha * temp2;
|
|
j2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for ( ; j<m; j++)
|
|
{
|
|
temp1 = alpha * xp[j];
|
|
temp2 = 0.0;
|
|
a0 = &a[j*lda];
|
|
FLOAT at0;
|
|
j1 = (j/8)*8;
|
|
|
|
if ( j1 )
|
|
dsymv_kernel_8x1(j1, a0, xp, yp, &temp1, &temp2);
|
|
|
|
for (i=j1 ; i<j; i++)
|
|
{
|
|
at0 = a0[i];
|
|
yp[i] += temp1 * at0;
|
|
temp2 += at0 * xp[i];
|
|
|
|
}
|
|
|
|
yp[j] += temp1 * a0[j] + alpha * temp2;
|
|
}
|
|
|
|
return(0);
|
|
|
|
|
|
}
|
|
|
|
|