407 lines
7.9 KiB
C
407 lines
7.9 KiB
C
/***************************************************************************
|
|
Copyright (c) 2020, 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"
|
|
|
|
#include "dgemv_n_microk_power10.c"
|
|
|
|
#define NBMAX 4096
|
|
|
|
#ifndef HAVE_KERNEL_4x4
|
|
|
|
static void dgemv_kernel_4x4(BLASLONG n, FLOAT *a_ptr, BLASLONG lda, FLOAT *xo, FLOAT *y, FLOAT alpha)
|
|
{
|
|
BLASLONG i;
|
|
FLOAT x[4] __attribute__ ((aligned (16)));;
|
|
FLOAT *a0 = a_ptr;
|
|
FLOAT *a1 = a0 + lda;
|
|
FLOAT *a2 = a1 + lda;
|
|
FLOAT *a3 = a2 + lda;
|
|
|
|
|
|
for ( i=0; i<4; i++)
|
|
x[i] = xo[i] * alpha;
|
|
|
|
for ( i=0; i< n; i+=4 )
|
|
{
|
|
y[i] += a0[i]*x[0] + a1[i]*x[1] + a2[i]*x[2] + a3[i]*x[3];
|
|
y[i+1] += a0[i+1]*x[0] + a1[i+1]*x[1] + a2[i+1]*x[2] + a3[i+1]*x[3];
|
|
y[i+2] += a0[i+2]*x[0] + a1[i+2]*x[1] + a2[i+2]*x[2] + a3[i+2]*x[3];
|
|
y[i+3] += a0[i+3]*x[0] + a1[i+3]*x[1] + a2[i+3]*x[2] + a3[i+3]*x[3];
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifndef HAVE_KERNEL_4x2
|
|
|
|
static void dgemv_kernel_4x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *xo, FLOAT *y, FLOAT alpha)
|
|
{
|
|
BLASLONG i;
|
|
FLOAT x[4] __attribute__ ((aligned (16)));;
|
|
|
|
for ( i=0; i<2; i++)
|
|
x[i] = xo[i] * alpha;
|
|
|
|
for ( i=0; i< n; i+=4 )
|
|
{
|
|
y[i] += a0[i]*x[0] + a1[i]*x[1];
|
|
y[i+1] += a0[i+1]*x[0] + a1[i+1]*x[1];
|
|
y[i+2] += a0[i+2]*x[0] + a1[i+2]*x[1];
|
|
y[i+3] += a0[i+3]*x[0] + a1[i+3]*x[1];
|
|
}
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
#ifndef HAVE_KERNEL_4x1
|
|
|
|
static void dgemv_kernel_4x1(BLASLONG n, FLOAT *a0, FLOAT *xo, FLOAT *y, FLOAT alpha)
|
|
{
|
|
BLASLONG i;
|
|
FLOAT x[4] __attribute__ ((aligned (16)));;
|
|
|
|
for ( i=0; i<1; i++)
|
|
x[i] = xo[i] * alpha;
|
|
|
|
for ( i=0; i< n; i+=4 )
|
|
{
|
|
y[i] += a0[i]*x[0];
|
|
y[i+1] += a0[i+1]*x[0];
|
|
y[i+2] += a0[i+2]*x[0];
|
|
y[i+3] += a0[i+3]*x[0];
|
|
}
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
|
|
static void add_y(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_dest)
|
|
{
|
|
BLASLONG i;
|
|
if ( inc_dest != 1 )
|
|
{
|
|
for ( i=0; i<n; i++ )
|
|
{
|
|
*dest += *src;
|
|
src++;
|
|
dest += inc_dest;
|
|
}
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
|
|
{
|
|
|
|
BLASLONG i;
|
|
FLOAT *a_ptr;
|
|
FLOAT *x_ptr;
|
|
FLOAT *y_ptr;
|
|
BLASLONG m1;
|
|
BLASLONG m2;
|
|
BLASLONG m3;
|
|
BLASLONG n2;
|
|
BLASLONG lda4 = lda << 2;
|
|
BLASLONG lda8 = lda << 3;
|
|
|
|
FLOAT xbuffer[8] __attribute__ ((aligned (16)));
|
|
FLOAT *ybuffer;
|
|
|
|
if ( m < 1 ) return(0);
|
|
if ( n < 1 ) return(0);
|
|
|
|
ybuffer = buffer;
|
|
BLASLONG n8 = n >> 3;
|
|
n2 = n & 3;
|
|
|
|
m3 = m & 3 ;
|
|
m1 = m & -4 ;
|
|
m2 = (m & (NBMAX-1)) - m3 ;
|
|
|
|
y_ptr = y;
|
|
|
|
BLASLONG NB = NBMAX;
|
|
|
|
while ( NB == NBMAX )
|
|
{
|
|
|
|
m1 -= NB;
|
|
if ( m1 < 0)
|
|
{
|
|
if ( m2 == 0 ) break;
|
|
NB = m2;
|
|
}
|
|
|
|
a_ptr = a;
|
|
x_ptr = x;
|
|
|
|
if ( inc_y != 1 )
|
|
memset(ybuffer,0,NB*8);
|
|
else
|
|
ybuffer = y_ptr;
|
|
|
|
if ( inc_x == 1 )
|
|
{
|
|
|
|
for( i = 0; i < n8 ; i++)
|
|
{
|
|
dgemv_kernel_4x8(NB,a_ptr,lda,x_ptr,ybuffer,alpha);
|
|
a_ptr += lda8;
|
|
x_ptr += 8;
|
|
}
|
|
|
|
if( n & 4 )
|
|
{
|
|
dgemv_kernel_4x4(NB,a_ptr,lda,x_ptr,ybuffer,alpha);
|
|
a_ptr += lda4;
|
|
x_ptr += 4;
|
|
}
|
|
|
|
if ( n2 & 2 )
|
|
{
|
|
dgemv_kernel_4x2(NB,a_ptr,a_ptr+lda,x_ptr,ybuffer,alpha);
|
|
a_ptr += lda*2;
|
|
x_ptr += 2;
|
|
}
|
|
|
|
|
|
if ( n2 & 1 )
|
|
{
|
|
dgemv_kernel_4x1(NB,a_ptr,x_ptr,ybuffer,alpha);
|
|
a_ptr += lda;
|
|
x_ptr += 1;
|
|
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
for( i = 0; i < n8 ; i++)
|
|
{
|
|
BLASLONG j;
|
|
for ( j = 0; j < 8 ; j++)
|
|
{
|
|
xbuffer[j] = x_ptr[0];
|
|
x_ptr += inc_x;
|
|
}
|
|
dgemv_kernel_4x8(NB,a_ptr,lda,xbuffer,ybuffer,alpha);
|
|
a_ptr += lda8;
|
|
}
|
|
|
|
if( n & 4 )
|
|
{
|
|
xbuffer[0] = x_ptr[0];
|
|
x_ptr += inc_x;
|
|
xbuffer[1] = x_ptr[0];
|
|
x_ptr += inc_x;
|
|
xbuffer[2] = x_ptr[0];
|
|
x_ptr += inc_x;
|
|
xbuffer[3] = x_ptr[0];
|
|
x_ptr += inc_x;
|
|
dgemv_kernel_4x4(NB,a_ptr,lda,xbuffer,ybuffer,alpha);
|
|
a_ptr += lda4;
|
|
}
|
|
|
|
for( i = 0; i < n2 ; i++)
|
|
{
|
|
xbuffer[0] = x_ptr[0];
|
|
x_ptr += inc_x;
|
|
dgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer,alpha);
|
|
a_ptr += lda;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
a += NB;
|
|
if ( inc_y != 1 )
|
|
{
|
|
add_y(NB,ybuffer,y_ptr,inc_y);
|
|
y_ptr += NB * inc_y;
|
|
}
|
|
else
|
|
y_ptr += NB ;
|
|
|
|
}
|
|
|
|
if ( m3 == 0 ) return(0);
|
|
|
|
if ( m3 == 3 )
|
|
{
|
|
a_ptr = a;
|
|
x_ptr = x;
|
|
FLOAT temp0 = 0.0;
|
|
FLOAT temp1 = 0.0;
|
|
FLOAT temp2 = 0.0;
|
|
if ( lda == 3 && inc_x ==1 )
|
|
{
|
|
|
|
for( i = 0; i < ( n & -4 ); i+=4 )
|
|
{
|
|
|
|
temp0 += a_ptr[0] * x_ptr[0] + a_ptr[3] * x_ptr[1];
|
|
temp1 += a_ptr[1] * x_ptr[0] + a_ptr[4] * x_ptr[1];
|
|
temp2 += a_ptr[2] * x_ptr[0] + a_ptr[5] * x_ptr[1];
|
|
|
|
temp0 += a_ptr[6] * x_ptr[2] + a_ptr[9] * x_ptr[3];
|
|
temp1 += a_ptr[7] * x_ptr[2] + a_ptr[10] * x_ptr[3];
|
|
temp2 += a_ptr[8] * x_ptr[2] + a_ptr[11] * x_ptr[3];
|
|
|
|
a_ptr += 12;
|
|
x_ptr += 4;
|
|
}
|
|
|
|
for( ; i < n; i++ )
|
|
{
|
|
temp0 += a_ptr[0] * x_ptr[0];
|
|
temp1 += a_ptr[1] * x_ptr[0];
|
|
temp2 += a_ptr[2] * x_ptr[0];
|
|
a_ptr += 3;
|
|
x_ptr ++;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
temp0 += a_ptr[0] * x_ptr[0];
|
|
temp1 += a_ptr[1] * x_ptr[0];
|
|
temp2 += a_ptr[2] * x_ptr[0];
|
|
a_ptr += lda;
|
|
x_ptr += inc_x;
|
|
|
|
|
|
}
|
|
|
|
}
|
|
y_ptr[0] += alpha * temp0;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha * temp1;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha * temp2;
|
|
return(0);
|
|
}
|
|
|
|
|
|
if ( m3 == 2 )
|
|
{
|
|
a_ptr = a;
|
|
x_ptr = x;
|
|
FLOAT temp0 = 0.0;
|
|
FLOAT temp1 = 0.0;
|
|
if ( lda == 2 && inc_x ==1 )
|
|
{
|
|
|
|
for( i = 0; i < (n & -4) ; i+=4 )
|
|
{
|
|
temp0 += a_ptr[0] * x_ptr[0] + a_ptr[2] * x_ptr[1];
|
|
temp1 += a_ptr[1] * x_ptr[0] + a_ptr[3] * x_ptr[1];
|
|
temp0 += a_ptr[4] * x_ptr[2] + a_ptr[6] * x_ptr[3];
|
|
temp1 += a_ptr[5] * x_ptr[2] + a_ptr[7] * x_ptr[3];
|
|
a_ptr += 8;
|
|
x_ptr += 4;
|
|
|
|
}
|
|
|
|
|
|
for( ; i < n; i++ )
|
|
{
|
|
temp0 += a_ptr[0] * x_ptr[0];
|
|
temp1 += a_ptr[1] * x_ptr[0];
|
|
a_ptr += 2;
|
|
x_ptr ++;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
temp0 += a_ptr[0] * x_ptr[0];
|
|
temp1 += a_ptr[1] * x_ptr[0];
|
|
a_ptr += lda;
|
|
x_ptr += inc_x;
|
|
|
|
|
|
}
|
|
|
|
}
|
|
y_ptr[0] += alpha * temp0;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha * temp1;
|
|
return(0);
|
|
}
|
|
|
|
if ( m3 == 1 )
|
|
{
|
|
a_ptr = a;
|
|
x_ptr = x;
|
|
FLOAT temp = 0.0;
|
|
if ( lda == 1 && inc_x ==1 )
|
|
{
|
|
|
|
for( i = 0; i < (n & -4); i+=4 )
|
|
{
|
|
temp += a_ptr[i] * x_ptr[i] + a_ptr[i+1] * x_ptr[i+1] + a_ptr[i+2] * x_ptr[i+2] + a_ptr[i+3] * x_ptr[i+3];
|
|
|
|
}
|
|
|
|
for( ; i < n; i++ )
|
|
{
|
|
temp += a_ptr[i] * x_ptr[i];
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
temp += a_ptr[0] * x_ptr[0];
|
|
a_ptr += lda;
|
|
x_ptr += inc_x;
|
|
}
|
|
|
|
}
|
|
y_ptr[0] += alpha * temp;
|
|
return(0);
|
|
}
|
|
|
|
|
|
return(0);
|
|
}
|
|
|
|
|