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added optimized dasum kernel for POWER8

tags/v0.2.18^2
Werner Saar 9 years ago
parent
bbb2d73d73
commit
c53be46d78
3 changed files with 322 additions and 1 deletions
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  1. +1
    -1
      kernel/power/KERNEL.POWER8
  2. +144
    -0
      kernel/power/dasum.c
  3. +177
    -0
      kernel/power/dasum_microk_power8.c

+ 1
- 1
kernel/power/KERNEL.POWER8 View File

@@ -106,7 +106,7 @@ ZTRSMKERNEL_RT = ../generic/trsm_kernel_RT.c
#IDMINKERNEL = ../arm/imin.c
#
#SASUMKERNEL = ../arm/asum.c
#DASUMKERNEL = ../arm/asum.c
DASUMKERNEL = dasum.c
#CASUMKERNEL = ../arm/zasum.c
#ZASUMKERNEL = ../arm/zasum.c
#


+ 144
- 0
kernel/power/dasum.c View File

@@ -0,0 +1,144 @@
/***************************************************************************
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/28 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#include "common.h"
#include <math.h>

#if defined(DOUBLE)

#define ABS fabs

#else

#define ABS fabsf

#endif

#if defined(POWER8)
#include "dasum_microk_power8.c"
#endif


#ifndef HAVE_KERNEL_16

static void dasum_kernel_16(BLASLONG n, FLOAT *x1, FLOAT *svec)
{

BLASLONG i=0;
FLOAT *x = x1;
FLOAT temp0, temp1, temp2, temp3;
FLOAT temp4, temp5, temp6, temp7;
FLOAT sum0 = 0.0;
FLOAT sum1 = 0.0;
FLOAT sum2 = 0.0;
FLOAT sum3 = 0.0;

while ( i< n )
{

temp0 = ABS(x[0]);
temp1 = ABS(x[1]);
temp2 = ABS(x[2]);
temp3 = ABS(x[3]);
temp4 = ABS(x[4]);
temp5 = ABS(x[5]);
temp6 = ABS(x[6]);
temp7 = ABS(x[7]);

sum0 += temp0;
sum1 += temp1;
sum2 += temp2;
sum3 += temp3;

sum0 += temp4;
sum1 += temp5;
sum2 += temp6;
sum3 += temp7;

x+=8;
i+=8;

}

svec[0] = sum0+sum1+sum2+sum3;
svec[1] = 0.0;

}

#endif

FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
{
BLASLONG i=0;
FLOAT sumf = 0.0;
FLOAT svec[2] __attribute__ ((aligned (16)));;
BLASLONG n1;

if (n <= 0 || inc_x <= 0) return(sumf);

if ( inc_x == 1 )
{

n1 = n & -16;
if ( n1 > 0 )
{

dasum_kernel_16(n1, x, svec);
sumf = svec[0] + svec[1];
i=n1;
}

while(i < n)
{
sumf += ABS(x[i]);
i++;
}

}
else
{

n *= inc_x;
while(i < n)
{
sumf += ABS(x[i]);
i += inc_x;
}

}
return(sumf);
}



+ 177
- 0
kernel/power/dasum_microk_power8.c View File

@@ -0,0 +1,177 @@
/***************************************************************************
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/28 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#define HAVE_KERNEL_16 1
static void dasum_kernel_16( BLASLONG n, FLOAT *x, FLOAT *svec) __attribute__ ((noinline));

static void dasum_kernel_16( BLASLONG n, FLOAT *x, FLOAT *svec)
{


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;
BLASLONG pre = 384;

__asm__ __volatile__
(

"dcbt %2 , %4 \n\t"

"xxlxor 32,32,32 \n\t"
"xxlxor 33,33,33 \n\t"
"xxlxor 34,34,34 \n\t"
"xxlxor 35,35,35 \n\t"
"xxlxor 36,36,36 \n\t"
"xxlxor 37,37,37 \n\t"
"xxlxor 38,38,38 \n\t"
"xxlxor 39,39,39 \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"

"xvabsdp 48, 40 \n\t"
"xvabsdp 49, 41 \n\t"
"xvabsdp 50, 42 \n\t"
"xvabsdp 51, 43 \n\t"

"lxvd2x 40, 0, %2 \n\t"
"lxvd2x 41, %5, %2 \n\t"

"xvabsdp 52, 44 \n\t"
"xvabsdp 53, 45 \n\t"

"lxvd2x 42, %6, %2 \n\t"
"lxvd2x 43, %7, %2 \n\t"

"xvabsdp 54, 46 \n\t"
"xvabsdp 55, 47 \n\t"

"lxvd2x 44, %8, %2 \n\t"
"lxvd2x 45, %9, %2 \n\t"

"xvadddp 32, 32, 48 \n\t"
"xvadddp 33, 33, 49 \n\t"

"lxvd2x 46, %10, %2 \n\t"
"lxvd2x 47, %11, %2 \n\t"

"xvadddp 34, 34, 50 \n\t"
"xvadddp 35, 35, 51 \n\t"
"addi %2, %2, 128 \n\t"
"xvadddp 36, 36, 52 \n\t"
"xvadddp 37, 37, 53 \n\t"
"addic. %0 , %0 , -16 \n\t"
"xvadddp 38, 38, 54 \n\t"
"xvadddp 39, 39, 55 \n\t"

"bgt 1b \n\t"

"2: \n\t"


"xvabsdp 48, 40 \n\t"
"xvabsdp 49, 41 \n\t"
"xvabsdp 50, 42 \n\t"
"xvabsdp 51, 43 \n\t"
"xvabsdp 52, 44 \n\t"
"xvabsdp 53, 45 \n\t"
"xvabsdp 54, 46 \n\t"
"xvabsdp 55, 47 \n\t"

"xvadddp 32, 32, 48 \n\t"
"xvadddp 33, 33, 49 \n\t"
"xvadddp 34, 34, 50 \n\t"
"xvadddp 35, 35, 51 \n\t"
"xvadddp 36, 36, 52 \n\t"
"xvadddp 37, 37, 53 \n\t"
"xvadddp 38, 38, 54 \n\t"
"xvadddp 39, 39, 55 \n\t"

"xvadddp 32, 32, 33 \n\t"
"xvadddp 34, 34, 35 \n\t"
"xvadddp 36, 36, 37 \n\t"
"xvadddp 38, 38, 39 \n\t"

"xvadddp 32, 32, 34 \n\t"
"xvadddp 36, 36, 38 \n\t"

"xvadddp 32, 32, 36 \n\t"


"stxvd2x 32, 0, %3 \n\t"

:
:
"r" (i), // 0
"r" (n), // 1
"r" (x1), // 2
"r" (svec), // 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", "memory"
);

}



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