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added optimized dscal kernel for POWER8

This commit is contained in:
Werner Saar 2016-03-25 09:42:08 +01:00
parent 55eda3813b
commit 1e6cf9808c
3 changed files with 395 additions and 2 deletions
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4
kernel/power/KERNEL.POWER8
View File

@ -136,9 +136,9 @@ ZDOTKERNEL = zdot.c
#ZROTKERNEL = ../arm/zrot.c #ZROTKERNEL = ../arm/zrot.c
# #
#SSCALKERNEL = ../arm/scal.c #SSCALKERNEL = ../arm/scal.c
#DSCALKERNEL = ../arm/scal.c DSCALKERNEL = dscal.c
#CSCALKERNEL = ../arm/zscal.c #CSCALKERNEL = ../arm/zscal.c
#ZSCALKERNEL = ../arm/zscal.c #ZSCALKERNEL = zscal.c
# #
#SSWAPKERNEL = ../arm/swap.c #SSWAPKERNEL = ../arm/swap.c
#DSWAPKERNEL = ../arm/swap.c #DSWAPKERNEL = ../arm/swap.c

174
kernel/power/dscal.c Normal file
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@ -0,0 +1,174 @@
/***************************************************************************
Copyright (c) 2013-2016, 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.
*****************************************************************************/
/**************************************************************************************
* 2016/03/25 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/
#include "common.h"
#if defined(POWER8)
#include "dscal_microk_power8.c"
#endif
#if !defined(HAVE_KERNEL_8)
static 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;
}
}
static void dscal_kernel_8_zero( BLASLONG n, FLOAT *da , FLOAT *x )
{
BLASLONG i;
FLOAT alpha=0.0;
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;
}
}
#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 ( n <= 0 || inc_x <=0 )
return(0);
if ( inc_x == 1 )
{
if ( da == 0.0 )
{
BLASLONG n1 = n & -16;
if ( n1 > 0 )
{
FLOAT alpha[2];
alpha[0]=da;
alpha[1]=da;
dscal_kernel_8_zero(n1 , alpha , x);
j=n1;
}
while(j < n)
{
x[j]=0.0;
j++;
}
}
else
{
BLASLONG n1 = n & -16;
if ( n1 > 0 )
{
FLOAT alpha[2];
alpha[0]=da;
alpha[1]=da;
dscal_kernel_8(n1 , alpha , x);
j=n1;
}
while(j < n)
{
x[j] = da * x[j] ;
j++;
}
}
}
else
{
if ( da == 0.0 )
{
while(j < n)
{
x[i]=0.0;
i += inc_x ;
j++;
}
}
else
{
while(j < n)
{
x[i] = da * x[i] ;
i += inc_x ;
j++;
}
}
}
return 0;
}

219
kernel/power/dscal_microk_power8.c Normal file
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@ -0,0 +1,219 @@
/***************************************************************************
Copyright (c) 2013-2016, 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.
*****************************************************************************/
/**************************************************************************************
* 2016/03/25 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/
#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 i = n;
BLASLONG o16 = 16;
BLASLONG o32 = 32;
BLASLONG o48 = 48;
BLASLONG o64 = 64;
BLASLONG o80 = 80;
BLASLONG o96 = 96;
BLASLONG o112 = 112;
FLOAT *x1=x;
FLOAT *x2=x+1;
BLASLONG pre = 384;
__asm__ __volatile__
(
"lxsdx 33, 0, %3 \n\t"
"xxspltd 32, 33, 0 \n\t"
"addi %1, %1, -8 \n\t"
"dcbt %2, %4 \n\t"
"lxvd2x 40, 0, %2 \n\t"
"lxvd2x 41, %5, %2 \n\t"
"lxvd2x 42, %6, %2 \n\t"
"lxvd2x 43, %7, %2 \n\t"
"lxvd2x 44, %8, %2 \n\t"
"lxvd2x 45, %9, %2 \n\t"
"lxvd2x 46, %10, %2 \n\t"
"lxvd2x 47, %11, %2 \n\t"
"addi %2, %2, 128 \n\t"
"addic. %0 , %0 , -16 \n\t"
"ble 2f \n\t"
".align 5 \n\t"
"1: \n\t"
"dcbt %2, %4 \n\t"
"xvmuldp 48, 40, 32 \n\t"
"xvmuldp 49, 41, 32 \n\t"
"lxvd2x 40, 0, %2 \n\t"
"lxvd2x 41, %5, %2 \n\t"
"xvmuldp 50, 42, 32 \n\t"
"xvmuldp 51, 43, 32 \n\t"
"lxvd2x 42, %6, %2 \n\t"
"lxvd2x 43, %7, %2 \n\t"
"xvmuldp 52, 44, 32 \n\t"
"xvmuldp 53, 45, 32 \n\t"
"lxvd2x 44, %8, %2 \n\t"
"lxvd2x 45, %9, %2 \n\t"
"xvmuldp 54, 46, 32 \n\t"
"xvmuldp 55, 47, 32 \n\t"
"lxvd2x 46, %10, %2 \n\t"
"lxvd2x 47, %11, %2 \n\t"
"stxvd2x 48, 0, %1 \n\t"
"stxvd2x 49, %5, %1 \n\t"
"stxvd2x 50, %6, %1 \n\t"
"stxvd2x 51, %7, %1 \n\t"
"stxvd2x 52, %8, %1 \n\t"
"stxvd2x 53, %9, %1 \n\t"
"stxvd2x 54, %10, %1 \n\t"
"stxvd2x 55, %11, %1 \n\t"
"addi %1, %1, 128 \n\t"
"addi %2, %2, 128 \n\t"
"addic. %0 , %0 , -16 \n\t"
"bgt 1b \n\t"
"2: \n\t"
"xvmuldp 48, 40, 32 \n\t"
"xvmuldp 49, 41, 32 \n\t"
"xvmuldp 50, 42, 32 \n\t"
"xvmuldp 51, 43, 32 \n\t"
"xvmuldp 52, 44, 32 \n\t"
"xvmuldp 53, 45, 32 \n\t"
"xvmuldp 54, 46, 32 \n\t"
"xvmuldp 55, 47, 32 \n\t"
"stxvd2x 48, 0, %1 \n\t"
"stxvd2x 49, %5, %1 \n\t"
"stxvd2x 50, %6, %1 \n\t"
"stxvd2x 51, %7, %1 \n\t"
"stxvd2x 52, %8, %1 \n\t"
"stxvd2x 53, %9, %1 \n\t"
"stxvd2x 54, %10, %1 \n\t"
"stxvd2x 55, %11, %1 \n\t"
:
:
"r" (i), // 0
"r" (x2), // 1
"r" (x1), // 2
"r" (alpha), // 3
"r" (pre), // 4
"r" (o16), // 5
"r" (o32), // 6
"r" (o48), // 7
"r" (o64), // 8
"r" (o80), // 9
"r" (o96), // 10
"r" (o112) // 11
: "cr0", "%0", "%2" , "%1", "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 i = n;
BLASLONG o16 = 16;
BLASLONG o32 = 32;
BLASLONG o48 = 48;
BLASLONG o64 = 64;
BLASLONG o80 = 80;
BLASLONG o96 = 96;
BLASLONG o112 = 112;
FLOAT *x1=x;
FLOAT *x2=x+1;
BLASLONG pre = 384;
__asm__ __volatile__
(
"xxlxor 32 , 32 , 32 \n\t"
"addi %1, %1, -8 \n\t"
".align 5 \n\t"
"1: \n\t"
"stxvd2x 32, 0, %1 \n\t"
"stxvd2x 32, %5, %1 \n\t"
"stxvd2x 32, %6, %1 \n\t"
"stxvd2x 32, %7, %1 \n\t"
"stxvd2x 32, %8, %1 \n\t"
"stxvd2x 32, %9, %1 \n\t"
"stxvd2x 32, %10, %1 \n\t"
"stxvd2x 32, %11, %1 \n\t"
"addi %1, %1, 128 \n\t"
"addic. %0 , %0 , -16 \n\t"
"bgt 1b \n\t"
"2: \n\t"
:
:
"r" (i), // 0
"r" (x2), // 1
"r" (x1), // 2
"r" (alpha), // 3
"r" (pre), // 4
"r" (o16), // 5
"r" (o32), // 6
"r" (o48), // 7
"r" (o64), // 8
"r" (o80), // 9
"r" (o96), // 10
"r" (o112) // 11
: "cr0", "%0", "%2" , "%1", "memory"
);
}