optimized dgemv_n kernel for small sizes
This commit is contained in:
wernsaar
parent
f511807fc0
commit
658939faaa
|
|
@ -11,7 +11,7 @@ SSYMV_L_KERNEL = ssymv_L.c
|
|||
|
||||
SGEMVNKERNEL = sgemv_n_4.c
|
||||
SGEMVTKERNEL = sgemv_t_4.c
|
||||
DGEMVNKERNEL = dgemv_n.c
|
||||
DGEMVNKERNEL = dgemv_n_4.c
|
||||
|
||||
SGEMMKERNEL = gemm_kernel_4x8_nehalem.S
|
||||
SGEMMINCOPY = gemm_ncopy_4.S
|
||||
|
|
|
|||
|
|
@ -0,0 +1,546 @@
|
|||
/***************************************************************************
|
||||
Copyright (c) 2014, 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(NEHALEM)
|
||||
#include "dgemv_n_microk_nehalem-4.c"
|
||||
#endif
|
||||
|
||||
|
||||
#define NBMAX 2048
|
||||
|
||||
#ifndef HAVE_KERNEL_4x8
|
||||
|
||||
static void dgemv_kernel_4x8(BLASLONG n, FLOAT **ap, FLOAT *xo, FLOAT *y, BLASLONG lda4, FLOAT *alpha)
|
||||
{
|
||||
BLASLONG i;
|
||||
FLOAT *a0,*a1,*a2,*a3;
|
||||
FLOAT *b0,*b1,*b2,*b3;
|
||||
FLOAT *x4;
|
||||
FLOAT x[8];
|
||||
a0 = ap[0];
|
||||
a1 = ap[1];
|
||||
a2 = ap[2];
|
||||
a3 = ap[3];
|
||||
b0 = a0 + lda4 ;
|
||||
b1 = a1 + lda4 ;
|
||||
b2 = a2 + lda4 ;
|
||||
b3 = a3 + lda4 ;
|
||||
x4 = x + 4;
|
||||
|
||||
for ( i=0; i<8; 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];
|
||||
|
||||
y[i] += b0[i]*x4[0] + b1[i]*x4[1] + b2[i]*x4[2] + b3[i]*x4[3];
|
||||
y[i+1] += b0[i+1]*x4[0] + b1[i+1]*x4[1] + b2[i+1]*x4[2] + b3[i+1]*x4[3];
|
||||
y[i+2] += b0[i+2]*x4[0] + b1[i+2]*x4[1] + b2[i+2]*x4[2] + b3[i+2]*x4[3];
|
||||
y[i+3] += b0[i+3]*x4[0] + b1[i+3]*x4[1] + b2[i+3]*x4[2] + b3[i+3]*x4[3];
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
#ifndef HAVE_KERNEL_4x4
|
||||
|
||||
static void dgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *xo, FLOAT *y, FLOAT *alpha)
|
||||
{
|
||||
BLASLONG i;
|
||||
FLOAT *a0,*a1,*a2,*a3;
|
||||
FLOAT x[4];
|
||||
a0 = ap[0];
|
||||
a1 = ap[1];
|
||||
a2 = ap[2];
|
||||
a3 = ap[3];
|
||||
|
||||
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 **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
|
||||
|
||||
static void dgemv_kernel_4x2( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
|
||||
{
|
||||
|
||||
BLASLONG register i = 0;
|
||||
|
||||
__asm__ __volatile__
|
||||
(
|
||||
"movsd (%2) , %%xmm12 \n\t" // x0
|
||||
"movsd (%6) , %%xmm4 \n\t" // alpha
|
||||
"movsd 8(%2) , %%xmm13 \n\t" // x1
|
||||
"mulsd %%xmm4 , %%xmm12 \n\t" // alpha
|
||||
"mulsd %%xmm4 , %%xmm13 \n\t" // alpha
|
||||
"shufpd $0, %%xmm12, %%xmm12 \n\t"
|
||||
"shufpd $0, %%xmm13, %%xmm13 \n\t"
|
||||
|
||||
".align 16 \n\t"
|
||||
".L01LOOP%=: \n\t"
|
||||
"movups (%3,%0,8), %%xmm4 \n\t" // 2 * y
|
||||
"movups 16(%3,%0,8), %%xmm5 \n\t" // 2 * y
|
||||
|
||||
"movups (%4,%0,8), %%xmm8 \n\t"
|
||||
"movups (%5,%0,8), %%xmm9 \n\t"
|
||||
"mulpd %%xmm12, %%xmm8 \n\t"
|
||||
"mulpd %%xmm13, %%xmm9 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm4 \n\t"
|
||||
|
||||
"movups 16(%4,%0,8), %%xmm8 \n\t"
|
||||
"movups 16(%5,%0,8), %%xmm9 \n\t"
|
||||
"mulpd %%xmm12, %%xmm8 \n\t"
|
||||
"mulpd %%xmm13, %%xmm9 \n\t"
|
||||
"addpd %%xmm8 , %%xmm5 \n\t"
|
||||
"addpd %%xmm9 , %%xmm5 \n\t"
|
||||
|
||||
"movups %%xmm4 , (%3,%0,8) \n\t" // 2 * y
|
||||
"movups %%xmm5 , 16(%3,%0,8) \n\t" // 2 * y
|
||||
|
||||
"addq $4 , %0 \n\t"
|
||||
"subq $4 , %1 \n\t"
|
||||
"jnz .L01LOOP%= \n\t"
|
||||
|
||||
:
|
||||
:
|
||||
"r" (i), // 0
|
||||
"r" (n), // 1
|
||||
"r" (x), // 2
|
||||
"r" (y), // 3
|
||||
"r" (ap[0]), // 4
|
||||
"r" (ap[1]), // 5
|
||||
"r" (alpha) // 6
|
||||
: "cc",
|
||||
"%xmm4", "%xmm5",
|
||||
"%xmm6", "%xmm7",
|
||||
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||
"memory"
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#ifndef HAVE_KERNEL_4x2
|
||||
|
||||
static void dgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
|
||||
|
||||
static void dgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
|
||||
{
|
||||
|
||||
BLASLONG register i = 0;
|
||||
|
||||
__asm__ __volatile__
|
||||
(
|
||||
"movsd (%2), %%xmm12 \n\t" // x0
|
||||
"mulsd (%5), %%xmm12 \n\t" // alpha
|
||||
"shufpd $0, %%xmm12, %%xmm12 \n\t"
|
||||
|
||||
".align 16 \n\t"
|
||||
".L01LOOP%=: \n\t"
|
||||
"movups (%4,%0,8), %%xmm8 \n\t" // 2 * a
|
||||
"movups 16(%4,%0,8), %%xmm9 \n\t" // 2 * a
|
||||
"movups (%3,%0,8), %%xmm4 \n\t" // 2 * y
|
||||
"movups 16(%3,%0,8), %%xmm5 \n\t" // 2 * y
|
||||
"mulpd %%xmm12, %%xmm8 \n\t"
|
||||
"mulpd %%xmm12, %%xmm9 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm5 \n\t"
|
||||
|
||||
"movups %%xmm4 , (%3,%0,8) \n\t" // 2 * y
|
||||
"movups %%xmm5 , 16(%3,%0,8) \n\t" // 2 * y
|
||||
|
||||
"addq $4 , %0 \n\t"
|
||||
"subq $4 , %1 \n\t"
|
||||
|
||||
"jnz .L01LOOP%= \n\t"
|
||||
|
||||
:
|
||||
:
|
||||
"r" (i), // 0
|
||||
"r" (n), // 1
|
||||
"r" (x), // 2
|
||||
"r" (y), // 3
|
||||
"r" (ap), // 4
|
||||
"r" (alpha) // 5
|
||||
: "cc",
|
||||
"%xmm4", "%xmm5",
|
||||
"%xmm6", "%xmm7",
|
||||
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||
"memory"
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
static void add_y(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_dest) __attribute__ ((noinline));
|
||||
|
||||
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;
|
||||
BLASLONG j;
|
||||
FLOAT *a_ptr;
|
||||
FLOAT *x_ptr;
|
||||
FLOAT *y_ptr;
|
||||
FLOAT *ap[4];
|
||||
BLASLONG n1;
|
||||
BLASLONG m1;
|
||||
BLASLONG m2;
|
||||
BLASLONG m3;
|
||||
BLASLONG n2;
|
||||
BLASLONG lda4 = lda << 2;
|
||||
BLASLONG lda8 = lda << 3;
|
||||
FLOAT xbuffer[8],*ybuffer;
|
||||
|
||||
if ( m < 1 ) return(0);
|
||||
if ( n < 1 ) return(0);
|
||||
|
||||
ybuffer = buffer;
|
||||
|
||||
if ( inc_x == 1 )
|
||||
{
|
||||
n1 = n >> 3 ;
|
||||
n2 = n & 7 ;
|
||||
}
|
||||
else
|
||||
{
|
||||
n1 = n >> 2 ;
|
||||
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;
|
||||
|
||||
ap[0] = a_ptr;
|
||||
ap[1] = a_ptr + lda;
|
||||
ap[2] = ap[1] + lda;
|
||||
ap[3] = ap[2] + lda;
|
||||
|
||||
if ( inc_y != 1 )
|
||||
memset(ybuffer,0,NB*8);
|
||||
else
|
||||
ybuffer = y_ptr;
|
||||
|
||||
if ( inc_x == 1 )
|
||||
{
|
||||
|
||||
|
||||
for( i = 0; i < n1 ; i++)
|
||||
{
|
||||
dgemv_kernel_4x8(NB,ap,x_ptr,ybuffer,lda4,&alpha);
|
||||
ap[0] += lda8;
|
||||
ap[1] += lda8;
|
||||
ap[2] += lda8;
|
||||
ap[3] += lda8;
|
||||
a_ptr += lda8;
|
||||
x_ptr += 8;
|
||||
}
|
||||
|
||||
|
||||
if ( n2 & 4 )
|
||||
{
|
||||
dgemv_kernel_4x4(NB,ap,x_ptr,ybuffer,&alpha);
|
||||
ap[0] += lda4;
|
||||
ap[1] += lda4;
|
||||
a_ptr += lda4;
|
||||
x_ptr += 4;
|
||||
}
|
||||
|
||||
if ( n2 & 2 )
|
||||
{
|
||||
dgemv_kernel_4x2(NB,ap,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 < n1 ; i++)
|
||||
{
|
||||
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,ap,xbuffer,ybuffer,&alpha);
|
||||
ap[0] += lda4;
|
||||
ap[1] += lda4;
|
||||
ap[2] += lda4;
|
||||
ap[3] += lda4;
|
||||
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);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,265 @@
|
|||
/***************************************************************************
|
||||
Copyright (c) 2014, 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.
|
||||
*****************************************************************************/
|
||||
|
||||
|
||||
|
||||
#define HAVE_KERNEL_4x8 1
|
||||
static void dgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) __attribute__ ((noinline));
|
||||
|
||||
static void dgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha)
|
||||
{
|
||||
|
||||
BLASLONG register i = 0;
|
||||
|
||||
__asm__ __volatile__
|
||||
(
|
||||
"movsd (%2), %%xmm12 \n\t" // x0
|
||||
"movsd 8(%2), %%xmm13 \n\t" // x1
|
||||
"movsd 16(%2), %%xmm14 \n\t" // x2
|
||||
"movsd 24(%2), %%xmm15 \n\t" // x3
|
||||
"shufpd $0, %%xmm12, %%xmm12\n\t"
|
||||
"shufpd $0, %%xmm13, %%xmm13\n\t"
|
||||
"shufpd $0, %%xmm14, %%xmm14\n\t"
|
||||
"shufpd $0, %%xmm15, %%xmm15\n\t"
|
||||
|
||||
"movsd 32(%2), %%xmm0 \n\t" // x4
|
||||
"movsd 40(%2), %%xmm1 \n\t" // x5
|
||||
"movsd 48(%2), %%xmm2 \n\t" // x6
|
||||
"movsd 56(%2), %%xmm3 \n\t" // x7
|
||||
"shufpd $0, %%xmm0 , %%xmm0 \n\t"
|
||||
"shufpd $0, %%xmm1 , %%xmm1 \n\t"
|
||||
"shufpd $0, %%xmm2 , %%xmm2 \n\t"
|
||||
"shufpd $0, %%xmm3 , %%xmm3 \n\t"
|
||||
|
||||
"movsd (%9), %%xmm6 \n\t" // alpha
|
||||
"shufpd $0, %%xmm6 , %%xmm6 \n\t"
|
||||
|
||||
|
||||
".align 16 \n\t"
|
||||
".L01LOOP%=: \n\t"
|
||||
"xorpd %%xmm4 , %%xmm4 \n\t"
|
||||
"xorpd %%xmm5 , %%xmm5 \n\t"
|
||||
"movups (%3,%0,8), %%xmm7 \n\t" // 2 * y
|
||||
|
||||
".align 2 \n\t"
|
||||
"movups (%4,%0,8), %%xmm8 \n\t"
|
||||
"movups (%5,%0,8), %%xmm9 \n\t"
|
||||
"movups (%6,%0,8), %%xmm10 \n\t"
|
||||
"movups (%7,%0,8), %%xmm11 \n\t"
|
||||
".align 2 \n\t"
|
||||
"mulpd %%xmm12, %%xmm8 \n\t"
|
||||
"mulpd %%xmm13, %%xmm9 \n\t"
|
||||
"mulpd %%xmm14, %%xmm10 \n\t"
|
||||
"mulpd %%xmm15, %%xmm11 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm5 \n\t"
|
||||
"addpd %%xmm10, %%xmm4 \n\t"
|
||||
"addpd %%xmm11, %%xmm5 \n\t"
|
||||
|
||||
"movups (%4,%8,8), %%xmm8 \n\t"
|
||||
"movups (%5,%8,8), %%xmm9 \n\t"
|
||||
"movups (%6,%8,8), %%xmm10 \n\t"
|
||||
"movups (%7,%8,8), %%xmm11 \n\t"
|
||||
".align 2 \n\t"
|
||||
"mulpd %%xmm0 , %%xmm8 \n\t"
|
||||
"mulpd %%xmm1 , %%xmm9 \n\t"
|
||||
"mulpd %%xmm2 , %%xmm10 \n\t"
|
||||
"mulpd %%xmm3 , %%xmm11 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm5 \n\t"
|
||||
"addpd %%xmm10, %%xmm4 \n\t"
|
||||
"addpd %%xmm11, %%xmm5 \n\t"
|
||||
|
||||
"addpd %%xmm5 , %%xmm4 \n\t"
|
||||
"mulpd %%xmm6 , %%xmm4 \n\t"
|
||||
"addpd %%xmm4 , %%xmm7 \n\t"
|
||||
|
||||
"movups %%xmm7 , (%3,%0,8) \n\t" // 2 * y
|
||||
|
||||
"xorpd %%xmm4 , %%xmm4 \n\t"
|
||||
"xorpd %%xmm5 , %%xmm5 \n\t"
|
||||
"movups 16(%3,%0,8), %%xmm7 \n\t" // 2 * y
|
||||
|
||||
".align 2 \n\t"
|
||||
"movups 16(%4,%0,8), %%xmm8 \n\t"
|
||||
"movups 16(%5,%0,8), %%xmm9 \n\t"
|
||||
"movups 16(%6,%0,8), %%xmm10 \n\t"
|
||||
"movups 16(%7,%0,8), %%xmm11 \n\t"
|
||||
".align 2 \n\t"
|
||||
"mulpd %%xmm12, %%xmm8 \n\t"
|
||||
"mulpd %%xmm13, %%xmm9 \n\t"
|
||||
"mulpd %%xmm14, %%xmm10 \n\t"
|
||||
"mulpd %%xmm15, %%xmm11 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm5 \n\t"
|
||||
"addpd %%xmm10, %%xmm4 \n\t"
|
||||
"addpd %%xmm11, %%xmm5 \n\t"
|
||||
|
||||
"movups 16(%4,%8,8), %%xmm8 \n\t"
|
||||
"movups 16(%5,%8,8), %%xmm9 \n\t"
|
||||
"movups 16(%6,%8,8), %%xmm10 \n\t"
|
||||
"movups 16(%7,%8,8), %%xmm11 \n\t"
|
||||
".align 2 \n\t"
|
||||
"mulpd %%xmm0 , %%xmm8 \n\t"
|
||||
"mulpd %%xmm1 , %%xmm9 \n\t"
|
||||
"mulpd %%xmm2 , %%xmm10 \n\t"
|
||||
"mulpd %%xmm3 , %%xmm11 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm5 \n\t"
|
||||
"addpd %%xmm10, %%xmm4 \n\t"
|
||||
"addpd %%xmm11, %%xmm5 \n\t"
|
||||
|
||||
"addq $4 , %8 \n\t"
|
||||
"addpd %%xmm5 , %%xmm4 \n\t"
|
||||
"mulpd %%xmm6 , %%xmm4 \n\t"
|
||||
"addpd %%xmm4 , %%xmm7 \n\t"
|
||||
|
||||
"movups %%xmm7 , 16(%3,%0,8) \n\t" // 2 * y
|
||||
|
||||
"addq $4 , %0 \n\t"
|
||||
"subq $4 , %1 \n\t"
|
||||
"jnz .L01LOOP%= \n\t"
|
||||
|
||||
:
|
||||
:
|
||||
"r" (i), // 0
|
||||
"r" (n), // 1
|
||||
"r" (x), // 2
|
||||
"r" (y), // 3
|
||||
"r" (ap[0]), // 4
|
||||
"r" (ap[1]), // 5
|
||||
"r" (ap[2]), // 6
|
||||
"r" (ap[3]), // 7
|
||||
"r" (lda4), // 8
|
||||
"r" (alpha) // 9
|
||||
: "cc",
|
||||
"%xmm0", "%xmm1",
|
||||
"%xmm2", "%xmm3",
|
||||
"%xmm4", "%xmm5",
|
||||
"%xmm6", "%xmm7",
|
||||
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||
"memory"
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
#define HAVE_KERNEL_4x4 1
|
||||
static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
|
||||
|
||||
static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
|
||||
{
|
||||
|
||||
BLASLONG register i = 0;
|
||||
|
||||
__asm__ __volatile__
|
||||
(
|
||||
"movsd (%2), %%xmm12 \n\t" // x0
|
||||
"movsd 8(%2), %%xmm13 \n\t" // x1
|
||||
"movsd 16(%2), %%xmm14 \n\t" // x2
|
||||
"movsd 24(%2), %%xmm15 \n\t" // x3
|
||||
"shufpd $0, %%xmm12, %%xmm12\n\t"
|
||||
"shufpd $0, %%xmm13, %%xmm13\n\t"
|
||||
"shufpd $0, %%xmm14, %%xmm14\n\t"
|
||||
"shufpd $0, %%xmm15, %%xmm15\n\t"
|
||||
|
||||
"movsd (%8), %%xmm6 \n\t" // alpha
|
||||
"shufpd $0, %%xmm6 , %%xmm6 \n\t"
|
||||
|
||||
".align 16 \n\t"
|
||||
".L01LOOP%=: \n\t"
|
||||
"xorpd %%xmm4 , %%xmm4 \n\t"
|
||||
"xorpd %%xmm5 , %%xmm5 \n\t"
|
||||
"movups (%3,%0,8), %%xmm7 \n\t" // 2 * y
|
||||
|
||||
"movups (%4,%0,8), %%xmm8 \n\t"
|
||||
"movups (%5,%0,8), %%xmm9 \n\t"
|
||||
"movups (%6,%0,8), %%xmm10 \n\t"
|
||||
"movups (%7,%0,8), %%xmm11 \n\t"
|
||||
"mulpd %%xmm12, %%xmm8 \n\t"
|
||||
"mulpd %%xmm13, %%xmm9 \n\t"
|
||||
"mulpd %%xmm14, %%xmm10 \n\t"
|
||||
"mulpd %%xmm15, %%xmm11 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm4 \n\t"
|
||||
"addpd %%xmm10 , %%xmm4 \n\t"
|
||||
"addpd %%xmm4 , %%xmm11 \n\t"
|
||||
|
||||
"mulpd %%xmm6 , %%xmm11 \n\t"
|
||||
"addpd %%xmm7 , %%xmm11 \n\t"
|
||||
"movups %%xmm11, (%3,%0,8) \n\t" // 2 * y
|
||||
|
||||
"xorpd %%xmm4 , %%xmm4 \n\t"
|
||||
"xorpd %%xmm5 , %%xmm5 \n\t"
|
||||
"movups 16(%3,%0,8), %%xmm7 \n\t" // 2 * y
|
||||
|
||||
"movups 16(%4,%0,8), %%xmm8 \n\t"
|
||||
"movups 16(%5,%0,8), %%xmm9 \n\t"
|
||||
"movups 16(%6,%0,8), %%xmm10 \n\t"
|
||||
"movups 16(%7,%0,8), %%xmm11 \n\t"
|
||||
"mulpd %%xmm12, %%xmm8 \n\t"
|
||||
"mulpd %%xmm13, %%xmm9 \n\t"
|
||||
"mulpd %%xmm14, %%xmm10 \n\t"
|
||||
"mulpd %%xmm15, %%xmm11 \n\t"
|
||||
"addpd %%xmm8 , %%xmm4 \n\t"
|
||||
"addpd %%xmm9 , %%xmm4 \n\t"
|
||||
"addpd %%xmm10 , %%xmm4 \n\t"
|
||||
"addpd %%xmm4 , %%xmm11 \n\t"
|
||||
|
||||
"mulpd %%xmm6 , %%xmm11 \n\t"
|
||||
"addpd %%xmm7 , %%xmm11 \n\t"
|
||||
"movups %%xmm11, 16(%3,%0,8) \n\t" // 2 * y
|
||||
|
||||
"addq $4 , %0 \n\t"
|
||||
"subq $4 , %1 \n\t"
|
||||
"jnz .L01LOOP%= \n\t"
|
||||
|
||||
:
|
||||
:
|
||||
"r" (i), // 0
|
||||
"r" (n), // 1
|
||||
"r" (x), // 2
|
||||
"r" (y), // 3
|
||||
"r" (ap[0]), // 4
|
||||
"r" (ap[1]), // 5
|
||||
"r" (ap[2]), // 6
|
||||
"r" (ap[3]), // 7
|
||||
"r" (alpha) // 8
|
||||
: "cc",
|
||||
"%xmm4", "%xmm5",
|
||||
"%xmm6", "%xmm7",
|
||||
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||
"memory"
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue