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added optimized scopy kernel for POWER8

This commit is contained in:
Werner Saar 2016-03-25 16:06:56 +01:00
parent 12f209b7b0
commit ecc0bc9813
3 changed files with 263 additions and 1 deletions
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2
kernel/power/KERNEL.POWER8
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@ -115,7 +115,7 @@ DAXPYKERNEL = daxpy.c
#CAXPYKERNEL = ../arm/zaxpy.c
ZAXPYKERNEL = zaxpy.c
#
#SCOPYKERNEL = ../arm/copy.c
SCOPYKERNEL = scopy.c
DCOPYKERNEL = dcopy.c
#CCOPYKERNEL = ../arm/zcopy.c
ZCOPYKERNEL = zcopy.c

131
kernel/power/scopy.c Normal file
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@ -0,0 +1,131 @@
/***************************************************************************
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 "scopy_microk_power8.c"
#endif
#ifndef HAVE_KERNEL_32
static void scopy_kernel_32(BLASLONG n, FLOAT *x, FLOAT *y)
{
BLASLONG i=0;
FLOAT f0, f1, f2, f3, f4, f5, f6, f7;
FLOAT *x1=x;
FLOAT *y1=y;
while ( i<n )
{
f0 = x1[0];
f1 = x1[1];
f2 = x1[2];
f3 = x1[3];
f4 = x1[4];
f5 = x1[5];
f6 = x1[6];
f7 = x1[7];
y1[0] = f0;
y1[1] = f1;
y1[2] = f2;
y1[3] = f3;
y1[4] = f4;
y1[5] = f5;
y1[6] = f6;
y1[7] = f7;
x1 += 8;
y1 += 8;
i+=8;
}
return;
}
#endif
int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
{
BLASLONG i=0;
BLASLONG ix=0,iy=0;
if ( n <= 0 ) return(0);
if ( (inc_x == 1) && (inc_y == 1 ))
{
BLASLONG n1 = n & -32;
if ( n1 > 0 )
{
scopy_kernel_32(n1, x, y);
i=n1;
}
while(i < n)
{
y[i] = x[i] ;
i++ ;
}
}
else
{
while(i < n)
{
y[iy] = x[ix] ;
ix += inc_x ;
iy += inc_y ;
i++ ;
}
}
return(0);
}

131
kernel/power/scopy_microk_power8.c Normal file
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@ -0,0 +1,131 @@
/***************************************************************************
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_32 1
static void scopy_kernel_32( BLASLONG n, FLOAT *x, FLOAT *y) __attribute__ ((noinline));
static void scopy_kernel_32( BLASLONG n, FLOAT *x, FLOAT *y)
{
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 *y1=y;
BLASLONG pre = 384;
BLASLONG alpha=0;
__asm__ __volatile__
(
"lxvw4x 40, 0, %2 \n\t"
"lxvw4x 41, %5, %2 \n\t"
"lxvw4x 42, %6, %2 \n\t"
"lxvw4x 43, %7, %2 \n\t"
"lxvw4x 44, %8, %2 \n\t"
"lxvw4x 45, %9, %2 \n\t"
"lxvw4x 46, %10, %2 \n\t"
"lxvw4x 47, %11, %2 \n\t"
"addi %2, %2, 128 \n\t"
"addic. %0 , %0 , -32 \n\t"
"ble 2f \n\t"
".align 5 \n\t"
"1: \n\t"
"stxvw4x 40, 0, %1 \n\t"
"stxvw4x 41, %5, %1 \n\t"
"lxvw4x 40, 0, %2 \n\t"
"lxvw4x 41, %5, %2 \n\t"
"stxvw4x 42, %6, %1 \n\t"
"stxvw4x 43, %7, %1 \n\t"
"lxvw4x 42, %6, %2 \n\t"
"lxvw4x 43, %7, %2 \n\t"
"stxvw4x 44, %8, %1 \n\t"
"stxvw4x 45, %9, %1 \n\t"
"lxvw4x 44, %8, %2 \n\t"
"lxvw4x 45, %9, %2 \n\t"
"stxvw4x 46, %10, %1 \n\t"
"stxvw4x 47, %11, %1 \n\t"
"lxvw4x 46, %10, %2 \n\t"
"lxvw4x 47, %11, %2 \n\t"
"addi %1, %1, 128 \n\t"
"addi %2, %2, 128 \n\t"
"addic. %0 , %0 , -32 \n\t"
"bgt 1b \n\t"
"2: \n\t"
"stxvw4x 40, 0, %1 \n\t"
"stxvw4x 41, %5, %1 \n\t"
"stxvw4x 42, %6, %1 \n\t"
"stxvw4x 43, %7, %1 \n\t"
"stxvw4x 44, %8, %1 \n\t"
"stxvw4x 45, %9, %1 \n\t"
"stxvw4x 46, %10, %1 \n\t"
"stxvw4x 47, %11, %1 \n\t"
:
:
"r" (i), // 0
"r" (y1), // 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"
);
}