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added optimized dscal kernel for bulldozer

This commit is contained in:
Werner Saar 2015-05-12 12:28:44 +02:00
parent 8e5a1083bb
commit e50a933037
3 changed files with 351 additions and 0 deletions
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2
kernel/x86_64/KERNEL.BULLDOZER
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@ -1,3 +1,5 @@
DSCALKERNEL = dscal.c
DAXPYKERNEL = daxpy.c
CAXPYKERNEL = caxpy.c
ZAXPYKERNEL = zaxpy.c

143
kernel/x86_64/dscal.c Normal file
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/***************************************************************************
Copyright (c) 2013 - 2015, 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)
#include "dscal_microk_bulldozer-2.c"
#endif
#if !defined(HAVE_KERNEL_8)
void dscal_kernel_8( BLASLONG n, FLOAT *da , FLOAT *x )
{
BLASLONG i;
FLOAT alpha = *da;
for( i=0; i<n; i+=8 )
{
x[0] *= alpha;
x[1] *= alpha;
x[2] *= alpha;
x[3] *= alpha;
x[4] *= alpha;
x[5] *= alpha;
x[6] *= alpha;
x[7] *= alpha;
x+=8;
}
}
void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha , FLOAT *x )
{
BLASLONG i;
for( i=0; i<n; i+=8 )
{
x[0] = 0.0;
x[1] = 0.0;
x[2] = 0.0;
x[3] = 0.0;
x[4] = 0.0;
x[5] = 0.0;
x[6] = 0.0;
x[7] = 0.0;
x+=8;
}
}
#endif
int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
{
BLASLONG i=0,j=0;
if ( inc_x != 1 )
{
if ( da == 0.0 )
{
while(j < n)
{
x[i]=0.0;
i += inc_x ;
j++;
}
}
else
{
while(j < n)
{
x[i] *= da;
i += inc_x ;
j++;
}
}
return(0);
}
BLASLONG n1 = n & -8;
if ( n1 > 0 )
{
if ( da == 0.0 )
dscal_kernel_8_zero(n1 , &da , x);
else
dscal_kernel_8(n1 , &da , x);
}
if ( da == 0.0 )
{
for ( i=n1 ; i<n; i++ )
{
x[i] = 0.0;
}
}
else
{
for ( i=n1 ; i<n; i++ )
{
x[i] *= da;
}
}
return(0);
}

206
kernel/x86_64/dscal_microk_bulldozer-2.c Normal file
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/***************************************************************************
Copyright (c) 2014-2015, 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_8 1
static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));
static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x)
{
BLASLONG n1 = n >> 4 ;
BLASLONG n2 = n & 8 ;
__asm__ __volatile__
(
"vmovddup (%2), %%xmm0 \n\t" // alpha
"addq $128, %1 \n\t"
"cmpq $0, %0 \n\t"
"je 4f \n\t"
"vmulpd -128(%1), %%xmm0, %%xmm4 \n\t"
"vmulpd -112(%1), %%xmm0, %%xmm5 \n\t"
"vmulpd -96(%1), %%xmm0, %%xmm6 \n\t"
"vmulpd -80(%1), %%xmm0, %%xmm7 \n\t"
"vmulpd -64(%1), %%xmm0, %%xmm8 \n\t"
"vmulpd -48(%1), %%xmm0, %%xmm9 \n\t"
"vmulpd -32(%1), %%xmm0, %%xmm10 \n\t"
"vmulpd -16(%1), %%xmm0, %%xmm11 \n\t"
"subq $1 , %0 \n\t"
"jz 2f \n\t"
".align 16 \n\t"
"1: \n\t"
"prefetcht0 256(%1) \n\t"
"vmovups %%xmm4 ,-128(%1) \n\t"
"vmovups %%xmm5 ,-112(%1) \n\t"
"vmulpd 0(%1), %%xmm0, %%xmm4 \n\t"
"vmovups %%xmm6 , -96(%1) \n\t"
"vmulpd 16(%1), %%xmm0, %%xmm5 \n\t"
"vmovups %%xmm7 , -80(%1) \n\t"
"vmulpd 32(%1), %%xmm0, %%xmm6 \n\t"
"prefetcht0 320(%1) \n\t"
"vmovups %%xmm8 , -64(%1) \n\t"
"vmulpd 48(%1), %%xmm0, %%xmm7 \n\t"
"vmovups %%xmm9 , -48(%1) \n\t"
"vmulpd 64(%1), %%xmm0, %%xmm8 \n\t"
"vmovups %%xmm10 , -32(%1) \n\t"
"vmulpd 80(%1), %%xmm0, %%xmm9 \n\t"
"vmovups %%xmm11 , -16(%1) \n\t"
"vmulpd 96(%1), %%xmm0, %%xmm10 \n\t"
"vmulpd 112(%1), %%xmm0, %%xmm11 \n\t"
"addq $128, %1 \n\t"
"subq $1 , %0 \n\t"
"jnz 1b \n\t"
"2: \n\t"
"vmovups %%xmm4 ,-128(%1) \n\t"
"vmovups %%xmm5 ,-112(%1) \n\t"
"vmovups %%xmm6 , -96(%1) \n\t"
"vmovups %%xmm7 , -80(%1) \n\t"
"vmovups %%xmm8 , -64(%1) \n\t"
"vmovups %%xmm9 , -48(%1) \n\t"
"vmovups %%xmm10 , -32(%1) \n\t"
"vmovups %%xmm11 , -16(%1) \n\t"
"addq $128, %1 \n\t"
"4: \n\t"
"cmpq $8 ,%3 \n\t"
"jne 5f \n\t"
"vmulpd -128(%1), %%xmm0, %%xmm4 \n\t"
"vmulpd -112(%1), %%xmm0, %%xmm5 \n\t"
"vmulpd -96(%1), %%xmm0, %%xmm6 \n\t"
"vmulpd -80(%1), %%xmm0, %%xmm7 \n\t"
"vmovups %%xmm4 ,-128(%1) \n\t"
"vmovups %%xmm5 ,-112(%1) \n\t"
"vmovups %%xmm6 , -96(%1) \n\t"
"vmovups %%xmm7 , -80(%1) \n\t"
"5: \n\t"
"vzeroupper \n\t"
:
:
"r" (n1), // 0
"r" (x), // 1
"r" (alpha), // 2
"r" (n2) // 3
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);
}
static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));
static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
{
BLASLONG n1 = n >> 4 ;
BLASLONG n2 = n & 8 ;
__asm__ __volatile__
(
"vxorpd %%xmm0, %%xmm0 , %%xmm0 \n\t"
"addq $128, %1 \n\t"
"cmpq $0, %0 \n\t"
"je 2f \n\t"
".align 16 \n\t"
"1: \n\t"
"vmovups %%xmm0 ,-128(%1) \n\t"
"vmovups %%xmm0 ,-112(%1) \n\t"
"vmovups %%xmm0 , -96(%1) \n\t"
"vmovups %%xmm0 , -80(%1) \n\t"
"vmovups %%xmm0 , -64(%1) \n\t"
"vmovups %%xmm0 , -48(%1) \n\t"
"vmovups %%xmm0 , -32(%1) \n\t"
"vmovups %%xmm0 , -16(%1) \n\t"
"addq $128, %1 \n\t"
"subq $1 , %0 \n\t"
"jnz 1b \n\t"
"2: \n\t"
"cmpq $8 ,%3 \n\t"
"jne 4f \n\t"
"vmovups %%xmm0 ,-128(%1) \n\t"
"vmovups %%xmm0 ,-112(%1) \n\t"
"vmovups %%xmm0 , -96(%1) \n\t"
"vmovups %%xmm0 , -80(%1) \n\t"
"4: \n\t"
"vzeroupper \n\t"
:
:
"r" (n1), // 0
"r" (x), // 1
"r" (alpha), // 2
"r" (n2) // 3
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);
}