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Merge pull request #824 from wernsaar/develop 

added optimized drot-kernel and srot-kernel for POWER8
tags/v0.2.18^2
wernsaar 10 years ago
parent
7b4b7179ba 35f1f21a7f
commit
e125a3dc33
7 changed files with 994 additions and 2 deletions
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  1. +42
    -0
      benchmark/Makefile
  2. +197
    -0
      benchmark/rot.c
  3. +2
    -2
      kernel/power/KERNEL.POWER8
  4. +167
    -0
      kernel/power/drot.c
  5. +211
    -0
      kernel/power/drot_microk_power8.c
  6. +167
    -0
      kernel/power/srot.c
  7. +208
    -0
      kernel/power/srot_microk_power8.c

+ 42
- 0
benchmark/Makefile View File

@@ -44,6 +44,7 @@ goto :: slinpack.goto dlinpack.goto clinpack.goto zlinpack.goto \
ssyr2k.goto dsyr2k.goto csyr2k.goto zsyr2k.goto \
sger.goto dger.goto cger.goto zger.goto \
sdot.goto ddot.goto \
srot.goto drot.goto \
saxpy.goto daxpy.goto caxpy.goto zaxpy.goto \
scopy.goto dcopy.goto ccopy.goto zcopy.goto \
sswap.goto dswap.goto cswap.goto zswap.goto \
@@ -151,6 +152,7 @@ goto :: slinpack.goto dlinpack.goto clinpack.goto zlinpack.goto \
ssyr2k.goto dsyr2k.goto csyr2k.goto zsyr2k.goto \
sger.goto dger.goto cger.goto zger.goto \
sdot.goto ddot.goto cdot.goto zdot.goto \
srot.goto drot.goto \
saxpy.goto daxpy.goto caxpy.goto zaxpy.goto \
scopy.goto dcopy.goto ccopy.goto zcopy.goto \
sswap.goto dswap.goto cswap.goto zswap.goto \
@@ -1413,6 +1415,39 @@ zdot.mkl : zdot-intel.$(SUFFIX)
zdot.veclib : zdot-intel.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBVECLIB) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

##################################### Srot ####################################################
srot.goto : srot.$(SUFFIX) ../$(LIBNAME)
$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB) -lm

srot.acml : srot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

srot.atlas : srot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

srot.mkl : srot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

srot.veclib : srot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBVECLIB) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

##################################### Drot ####################################################
drot.goto : drot.$(SUFFIX) ../$(LIBNAME)
$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB) -lm

drot.acml : drot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

drot.atlas : drot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

drot.mkl : drot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)

drot.veclib : drot.$(SUFFIX)
$(CC) $(CFLAGS) -o $(@F) $^ $(LIBVECLIB) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)


##################################### Saxpy ####################################################
saxpy.goto : saxpy.$(SUFFIX) ../$(LIBNAME)
$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB) -lm
@@ -2124,6 +2159,13 @@ cgesv.$(SUFFIX) : gesv.c
zgesv.$(SUFFIX) : gesv.c
$(CC) $(CFLAGS) -c -DCOMPLEX -DDOUBLE -o $(@F) $^

srot.$(SUFFIX) : rot.c
$(CC) $(CFLAGS) -c -UCOMPLEX -UDOUBLE -o $(@F) $^

drot.$(SUFFIX) : rot.c
$(CC) $(CFLAGS) -c -UCOMPLEX -DDOUBLE -o $(@F) $^







+ 197
- 0
benchmark/rot.c View File

@@ -0,0 +1,197 @@
/***************************************************************************
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 <stdio.h>
#include <stdlib.h>
#ifdef __CYGWIN32__
#include <sys/time.h>
#endif
#include "common.h"


#undef DOT


#ifdef DOUBLE
#define ROT BLASFUNC(drot)
#else
#define ROT BLASFUNC(srot)
#endif


#if defined(__WIN32__) || defined(__WIN64__)

#ifndef DELTA_EPOCH_IN_MICROSECS
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
#endif

int gettimeofday(struct timeval *tv, void *tz){

FILETIME ft;
unsigned __int64 tmpres = 0;
static int tzflag;

if (NULL != tv)
{
GetSystemTimeAsFileTime(&ft);

tmpres |= ft.dwHighDateTime;
tmpres <<= 32;
tmpres |= ft.dwLowDateTime;

/*converting file time to unix epoch*/
tmpres /= 10; /*convert into microseconds*/
tmpres -= DELTA_EPOCH_IN_MICROSECS;
tv->tv_sec = (long)(tmpres / 1000000UL);
tv->tv_usec = (long)(tmpres % 1000000UL);
}

return 0;
}

#endif

#if !defined(__WIN32__) && !defined(__WIN64__) && !defined(__CYGWIN32__) && 0

static void *huge_malloc(BLASLONG size){
int shmid;
void *address;

#ifndef SHM_HUGETLB
#define SHM_HUGETLB 04000
#endif

if ((shmid =shmget(IPC_PRIVATE,
(size + HUGE_PAGESIZE) & ~(HUGE_PAGESIZE - 1),
SHM_HUGETLB | IPC_CREAT |0600)) < 0) {
printf( "Memory allocation failed(shmget).\n");
exit(1);
}

address = shmat(shmid, NULL, SHM_RND);

if ((BLASLONG)address == -1){
printf( "Memory allocation failed(shmat).\n");
exit(1);
}

shmctl(shmid, IPC_RMID, 0);

return address;
}

#define malloc huge_malloc

#endif

int main(int argc, char *argv[]){

FLOAT *x, *y;
// FLOAT result;
blasint m, i;
blasint inc_x=1,inc_y=1;
FLOAT c[1] = { 2.0 };
FLOAT s[1] = { 2.0 };
int loops = 1;
int l;
char *p;

int from = 1;
int to = 200;
int step = 1;

struct timeval start, stop;
double time1,timeg;

argc--;argv++;

if (argc > 0) { from = atol(*argv); argc--; argv++;}
if (argc > 0) { to = MAX(atol(*argv), from); argc--; argv++;}
if (argc > 0) { step = atol(*argv); argc--; argv++;}

if ((p = getenv("OPENBLAS_LOOPS"))) loops = atoi(p);
if ((p = getenv("OPENBLAS_INCX"))) inc_x = atoi(p);
if ((p = getenv("OPENBLAS_INCY"))) inc_y = atoi(p);

fprintf(stderr, "From : %3d To : %3d Step = %3d Inc_x = %d Inc_y = %d Loops = %d\n", from, to, step,inc_x,inc_y,loops);

if (( x = (FLOAT *)malloc(sizeof(FLOAT) * to * abs(inc_x) * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
}

if (( y = (FLOAT *)malloc(sizeof(FLOAT) * to * abs(inc_y) * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
}

#ifdef linux
srandom(getpid());
#endif

fprintf(stderr, " SIZE Flops\n");

for(m = from; m <= to; m += step)
{

timeg=0;

fprintf(stderr, " %6d : ", (int)m);


for (l=0; l<loops; l++)
{

for(i = 0; i < m * COMPSIZE * abs(inc_x); i++){
x[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}

for(i = 0; i < m * COMPSIZE * abs(inc_y); i++){
y[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
gettimeofday( &start, (struct timezone *)0);

ROT (&m, x, &inc_x, y, &inc_y, c, s);

gettimeofday( &stop, (struct timezone *)0);

time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;

timeg += time1;

}

timeg /= loops;

fprintf(stderr,
" %10.2f MFlops\n",
COMPSIZE * COMPSIZE * 6. * (double)m / timeg * 1.e-6);

}

return 0;
}

// void main(int argc, char *argv[]) __attribute__((weak, alias("MAIN__")));

+ 2
- 2
kernel/power/KERNEL.POWER8 View File

@@ -130,8 +130,8 @@ ZDOTKERNEL = zdot.c
#CNRM2KERNEL = ../arm/znrm2.c
#ZNRM2KERNEL = ../arm/znrm2.c
#
#SROTKERNEL = ../arm/rot.c
#DROTKERNEL = ../arm/rot.c
SROTKERNEL = srot.c
DROTKERNEL = drot.c
#CROTKERNEL = ../arm/zrot.c
#ZROTKERNEL = ../arm/zrot.c
#


+ 167
- 0
kernel/power/drot.c View File

@@ -0,0 +1,167 @@
/***************************************************************************
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/



#include "common.h"

#pragma GCC optimize "O1"

#if defined(POWER8)
#include "drot_microk_power8.c"
#endif


#ifndef HAVE_KERNEL_16

static void drot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *c, FLOAT *s)
{

BLASLONG i=0;
FLOAT f0, f1, f2, f3;
FLOAT x00, x01, x02, x03;
FLOAT g0, g1, g2, g3;
FLOAT y00, y01, y02, y03;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT c1=*c;
FLOAT s1=*s;

while ( i<n )
{

x00 = x1[0];
y00 = y1[0];
x01 = x1[1];
y01 = y1[1];
x02 = x1[2];
y02 = y1[2];
x03 = x1[3];
y03 = y1[3];

f0 = c1*x00 + s1*y00;
g0 = c1*y00 - s1*x00;
f1 = c1*x01 + s1*y01;
g1 = c1*y01 - s1*x01;
f2 = c1*x02 + s1*y02;
g2 = c1*y02 - s1*x02;
f3 = c1*x03 + s1*y03;
g3 = c1*y03 - s1*x03;

x1[0] = f0;
y1[0] = g0;
x1[1] = f1;
y1[1] = g1;
x1[2] = f2;
y1[2] = g2;
x1[3] = f3;
y1[3] = g3;

x1 += 4;
y1 += 4;

i+=4;
}
return;

}


#endif


int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT c, FLOAT s)
{
BLASLONG i=0;
BLASLONG ix=0,iy=0;
FLOAT c1[4] __attribute__ ((aligned (16)));;
FLOAT s1[4] __attribute__ ((aligned (16)));;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT temp;

if ( n <= 0 ) return(0);

if ( (inc_x == 1) && (inc_y == 1) )
{

BLASLONG n1 = n & -16;
if ( n1 > 0 )
{
c1[0]=c;
c1[1]=c;
c1[2]=c;
c1[3]=c;
s1[0]=s;
s1[1]=s;
s1[2]=s;
s1[3]=s;
drot_kernel_16(n1, x1, y1, c1, s1);
i=n1;
}

while(i < n)
{
temp = c*x[i] + s*y[i] ;
y[i] = c*y[i] - s*x[i] ;
x[i] = temp ;

i++ ;

}


}
else
{

while(i < n)
{
temp = c*x[ix] + s*y[iy] ;
y[iy] = c*y[iy] - s*x[ix] ;
x[ix] = temp ;

ix += inc_x ;
iy += inc_y ;
i++ ;

}

}
return(0);

}



+ 211
- 0
kernel/power/drot_microk_power8.c View File

@@ -0,0 +1,211 @@
/***************************************************************************
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
*
* I don't use fused multiply-add ( precision problems with lapack )
*
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#define HAVE_KERNEL_16 1

static void drot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *c, FLOAT *s) __attribute__ ((noinline));

static void drot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *c, FLOAT *s)
{


BLASLONG i = n;
BLASLONG o16 = 16;
BLASLONG o32 = 32;
BLASLONG o48 = 48;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT *x2=x+1;
FLOAT *y2=y+1;

__asm__ __volatile__
(

"lxsdx 36 , %5, %3 \n\t" // load c
"lxsdx 37 , %5, %4 \n\t" // load s
"addi %8 , %8, -8 \n\t"
"addi %9 , %9, -8 \n\t"

"xxspltd 36 , 36, 0 \n\t"
"xxspltd 37 , 37, 0 \n\t"

"lxvd2x 32, 0, %1 \n\t" // load x
"lxvd2x 33, %5, %1 \n\t"
"lxvd2x 34, %6, %1 \n\t"
"lxvd2x 35, %7, %1 \n\t"

"lxvd2x 40, 0, %2 \n\t" // load y
"lxvd2x 41, %5, %2 \n\t"
"lxvd2x 42, %6, %2 \n\t"
"lxvd2x 43, %7, %2 \n\t"

"addi %1, %1, 64 \n\t"
"addi %2, %2, 64 \n\t"

"addic. %0 , %0 , -8 \n\t"
"ble 2f \n\t"

".align 5 \n\t"
"1: \n\t"

"xvmuldp 48, 32, 36 \n\t" // c * x
"xvmuldp 49, 33, 36 \n\t"
"xvmuldp 50, 34, 36 \n\t"
"xvmuldp 51, 35, 36 \n\t"

"xvmuldp 56, 40, 36 \n\t" // c * y
"xvmuldp 57, 41, 36 \n\t"
"xvmuldp 58, 42, 36 \n\t"
"xvmuldp 59, 43, 36 \n\t"

"xvmuldp 52, 32, 37 \n\t" // s * x
"xvmuldp 53, 33, 37 \n\t"

"lxvd2x 32, 0, %1 \n\t" // load x
"lxvd2x 33, %5, %1 \n\t"

"xvmuldp 54, 34, 37 \n\t"
"xvmuldp 55, 35, 37 \n\t"

"lxvd2x 34, %6, %1 \n\t"
"lxvd2x 35, %7, %1 \n\t"

"xvmuldp 60, 40, 37 \n\t" // s * y
"xvmuldp 61, 41, 37 \n\t"

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

"xvmuldp 62, 42, 37 \n\t"
"xvmuldp 63, 43, 37 \n\t"

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

"xvadddp 48, 48 , 60 \n\t" // c * x + s * y
"xvadddp 49, 49 , 61 \n\t" // c * x + s * y

"addi %1, %1, 64 \n\t"
"addi %2, %2, 64 \n\t"

"xvadddp 50, 50 , 62 \n\t" // c * x + s * y
"xvadddp 51, 51 , 63 \n\t" // c * x + s * y

"xvsubdp 56, 56 , 52 \n\t" // c * y - s * x
"xvsubdp 57, 57 , 53 \n\t" // c * y - s * x
"xvsubdp 58, 58 , 54 \n\t" // c * y - s * x
"xvsubdp 59, 59 , 55 \n\t" // c * y - s * x

"stxvd2x 48, 0, %8 \n\t" // store x
"stxvd2x 49, %5, %8 \n\t"
"stxvd2x 50, %6, %8 \n\t"
"stxvd2x 51, %7, %8 \n\t"

"stxvd2x 56, 0, %9 \n\t" // store y
"stxvd2x 57, %5, %9 \n\t"
"stxvd2x 58, %6, %9 \n\t"
"stxvd2x 59, %7, %9 \n\t"

"addi %8, %8, 64 \n\t"
"addi %9, %9, 64 \n\t"

"addic. %0 , %0 , -8 \n\t"
"bgt 1b \n\t"

"2: \n\t"

"xvmuldp 48, 32, 36 \n\t" // c * x
"xvmuldp 49, 33, 36 \n\t"
"xvmuldp 50, 34, 36 \n\t"
"xvmuldp 51, 35, 36 \n\t"

"xvmuldp 56, 40, 36 \n\t" // c * y
"xvmuldp 57, 41, 36 \n\t"
"xvmuldp 58, 42, 36 \n\t"
"xvmuldp 59, 43, 36 \n\t"

"xvmuldp 52, 32, 37 \n\t" // s * x
"xvmuldp 53, 33, 37 \n\t"
"xvmuldp 54, 34, 37 \n\t"
"xvmuldp 55, 35, 37 \n\t"

"xvmuldp 60, 40, 37 \n\t" // s * y
"xvmuldp 61, 41, 37 \n\t"
"xvmuldp 62, 42, 37 \n\t"
"xvmuldp 63, 43, 37 \n\t"

"xvadddp 48, 48 , 60 \n\t" // c * x + s * y
"xvadddp 49, 49 , 61 \n\t" // c * x + s * y
"xvadddp 50, 50 , 62 \n\t" // c * x + s * y
"xvadddp 51, 51 , 63 \n\t" // c * x + s * y

"xvsubdp 56, 56 , 52 \n\t" // c * y - s * x
"xvsubdp 57, 57 , 53 \n\t" // c * y - s * x
"xvsubdp 58, 58 , 54 \n\t" // c * y - s * x
"xvsubdp 59, 59 , 55 \n\t" // c * y - s * x

"stxvd2x 48, 0, %8 \n\t" // store x
"stxvd2x 49, %5, %8 \n\t"
"stxvd2x 50, %6, %8 \n\t"
"stxvd2x 51, %7, %8 \n\t"

"stxvd2x 56, 0, %9 \n\t" // store y
"stxvd2x 57, %5, %9 \n\t"
"stxvd2x 58, %6, %9 \n\t"
"stxvd2x 59, %7, %9 \n\t"



:
:
"r" (i), // 0
"r" (x1), // 1
"r" (y1), // 2
"r" (c), // 3
"r" (s), // 4
"r" (o16), // 5
"r" (o32), // 6
"r" (o48), // 7
"r" (x2), // 8
"r" (y2) // 9
: "cr0", "%0", "%1" , "%2", "%8", "%9", "memory"
);

}



+ 167
- 0
kernel/power/srot.c View File

@@ -0,0 +1,167 @@
/***************************************************************************
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/26 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/



#include "common.h"

#pragma GCC optimize "O1"

#if defined(POWER8)
#include "srot_microk_power8.c"
#endif


#ifndef HAVE_KERNEL_16

static void srot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *c, FLOAT *s)
{

BLASLONG i=0;
FLOAT f0, f1, f2, f3;
FLOAT x00, x01, x02, x03;
FLOAT g0, g1, g2, g3;
FLOAT y00, y01, y02, y03;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT c1=*c;
FLOAT s1=*s;

while ( i<n )
{

x00 = x1[0];
y00 = y1[0];
x01 = x1[1];
y01 = y1[1];
x02 = x1[2];
y02 = y1[2];
x03 = x1[3];
y03 = y1[3];

f0 = c1*x00 + s1*y00;
g0 = c1*y00 - s1*x00;
f1 = c1*x01 + s1*y01;
g1 = c1*y01 - s1*x01;
f2 = c1*x02 + s1*y02;
g2 = c1*y02 - s1*x02;
f3 = c1*x03 + s1*y03;
g3 = c1*y03 - s1*x03;

x1[0] = f0;
y1[0] = g0;
x1[1] = f1;
y1[1] = g1;
x1[2] = f2;
y1[2] = g2;
x1[3] = f3;
y1[3] = g3;

x1 += 4;
y1 += 4;

i+=4;
}
return;

}


#endif


int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT c, FLOAT s)
{
BLASLONG i=0;
BLASLONG ix=0,iy=0;
FLOAT c1[4] __attribute__ ((aligned (16)));;
FLOAT s1[4] __attribute__ ((aligned (16)));;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT temp;

if ( n <= 0 ) return(0);

if ( (inc_x == 1) && (inc_y == 1) )
{

BLASLONG n1 = n & -16;
if ( n1 > 0 )
{
c1[0]=c;
c1[1]=c;
c1[2]=c;
c1[3]=c;
s1[0]=s;
s1[1]=s;
s1[2]=s;
s1[3]=s;
srot_kernel_16(n1, x1, y1, c1, s1);
i=n1;
}

while(i < n)
{
temp = c*x[i] + s*y[i] ;
y[i] = c*y[i] - s*x[i] ;
x[i] = temp ;

i++ ;

}


}
else
{

while(i < n)
{
temp = c*x[ix] + s*y[iy] ;
y[iy] = c*y[iy] - s*x[ix] ;
x[ix] = temp ;

ix += inc_x ;
iy += inc_y ;
i++ ;

}

}
return(0);

}



+ 208
- 0
kernel/power/srot_microk_power8.c View File

@@ -0,0 +1,208 @@
/***************************************************************************
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
*
* I don't use fused multiply-add ( precision problems with lapack )
*
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#define HAVE_KERNEL_16 1

static void srot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *c, FLOAT *s) __attribute__ ((noinline));

static void srot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *c, FLOAT *s)
{


BLASLONG i = n;
BLASLONG o16 = 16;
BLASLONG o32 = 32;
BLASLONG o48 = 48;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT *x2=x+1;
FLOAT *y2=y+1;

__asm__ __volatile__
(

"lxvw4x 36 , 0, %3 \n\t" // load c
"lxvw4x 37 , 0, %4 \n\t" // load s
"addi %8 , %8, -4 \n\t"
"addi %9 , %9, -4 \n\t"

"lxvw4x 32, 0, %1 \n\t" // load x
"lxvw4x 33, %5, %1 \n\t"
"lxvw4x 34, %6, %1 \n\t"
"lxvw4x 35, %7, %1 \n\t"

"lxvw4x 40, 0, %2 \n\t" // load y
"lxvw4x 41, %5, %2 \n\t"
"lxvw4x 42, %6, %2 \n\t"
"lxvw4x 43, %7, %2 \n\t"

"addi %1, %1, 64 \n\t"
"addi %2, %2, 64 \n\t"

"addic. %0 , %0 , -16 \n\t"
"ble 2f \n\t"

".align 5 \n\t"
"1: \n\t"

"xvmulsp 48, 32, 36 \n\t" // c * x
"xvmulsp 49, 33, 36 \n\t"
"xvmulsp 50, 34, 36 \n\t"
"xvmulsp 51, 35, 36 \n\t"

"xvmulsp 56, 40, 36 \n\t" // c * y
"xvmulsp 57, 41, 36 \n\t"
"xvmulsp 58, 42, 36 \n\t"
"xvmulsp 59, 43, 36 \n\t"

"xvmulsp 52, 32, 37 \n\t" // s * x
"xvmulsp 53, 33, 37 \n\t"

"lxvw4x 32, 0, %1 \n\t" // load x
"lxvw4x 33, %5, %1 \n\t"

"xvmulsp 54, 34, 37 \n\t"
"xvmulsp 55, 35, 37 \n\t"

"lxvw4x 34, %6, %1 \n\t"
"lxvw4x 35, %7, %1 \n\t"

"xvmulsp 60, 40, 37 \n\t" // s * y
"xvmulsp 61, 41, 37 \n\t"

"lxvw4x 40, 0, %2 \n\t" // load y
"lxvw4x 41, %5, %2 \n\t"

"xvmulsp 62, 42, 37 \n\t"
"xvmulsp 63, 43, 37 \n\t"

"lxvw4x 42, %6, %2 \n\t"
"lxvw4x 43, %7, %2 \n\t"

"xvaddsp 48, 48 , 60 \n\t" // c * x + s * y
"xvaddsp 49, 49 , 61 \n\t" // c * x + s * y

"addi %1, %1, 64 \n\t"
"addi %2, %2, 64 \n\t"

"xvaddsp 50, 50 , 62 \n\t" // c * x + s * y
"xvaddsp 51, 51 , 63 \n\t" // c * x + s * y

"xvsubsp 56, 56 , 52 \n\t" // c * y - s * x
"xvsubsp 57, 57 , 53 \n\t" // c * y - s * x
"xvsubsp 58, 58 , 54 \n\t" // c * y - s * x
"xvsubsp 59, 59 , 55 \n\t" // c * y - s * x

"stxvw4x 48, 0, %8 \n\t" // store x
"stxvw4x 49, %5, %8 \n\t"
"stxvw4x 50, %6, %8 \n\t"
"stxvw4x 51, %7, %8 \n\t"

"stxvw4x 56, 0, %9 \n\t" // store y
"stxvw4x 57, %5, %9 \n\t"
"stxvw4x 58, %6, %9 \n\t"
"stxvw4x 59, %7, %9 \n\t"

"addi %8, %8, 64 \n\t"
"addi %9, %9, 64 \n\t"

"addic. %0 , %0 , -16 \n\t"
"bgt 1b \n\t"

"2: \n\t"

"xvmulsp 48, 32, 36 \n\t" // c * x
"xvmulsp 49, 33, 36 \n\t"
"xvmulsp 50, 34, 36 \n\t"
"xvmulsp 51, 35, 36 \n\t"

"xvmulsp 56, 40, 36 \n\t" // c * y
"xvmulsp 57, 41, 36 \n\t"
"xvmulsp 58, 42, 36 \n\t"
"xvmulsp 59, 43, 36 \n\t"

"xvmulsp 52, 32, 37 \n\t" // s * x
"xvmulsp 53, 33, 37 \n\t"
"xvmulsp 54, 34, 37 \n\t"
"xvmulsp 55, 35, 37 \n\t"

"xvmulsp 60, 40, 37 \n\t" // s * y
"xvmulsp 61, 41, 37 \n\t"
"xvmulsp 62, 42, 37 \n\t"
"xvmulsp 63, 43, 37 \n\t"

"xvaddsp 48, 48 , 60 \n\t" // c * x + s * y
"xvaddsp 49, 49 , 61 \n\t" // c * x + s * y
"xvaddsp 50, 50 , 62 \n\t" // c * x + s * y
"xvaddsp 51, 51 , 63 \n\t" // c * x + s * y

"xvsubsp 56, 56 , 52 \n\t" // c * y - s * x
"xvsubsp 57, 57 , 53 \n\t" // c * y - s * x
"xvsubsp 58, 58 , 54 \n\t" // c * y - s * x
"xvsubsp 59, 59 , 55 \n\t" // c * y - s * x

"stxvw4x 48, 0, %8 \n\t" // store x
"stxvw4x 49, %5, %8 \n\t"
"stxvw4x 50, %6, %8 \n\t"
"stxvw4x 51, %7, %8 \n\t"

"stxvw4x 56, 0, %9 \n\t" // store y
"stxvw4x 57, %5, %9 \n\t"
"stxvw4x 58, %6, %9 \n\t"
"stxvw4x 59, %7, %9 \n\t"



:
:
"r" (i), // 0
"r" (x1), // 1
"r" (y1), // 2
"r" (c), // 3
"r" (s), // 4
"r" (o16), // 5
"r" (o32), // 6
"r" (o48), // 7
"r" (x2), // 8
"r" (y2) // 9
: "cr0", "%0", "%1" , "%2", "%8", "%9", "memory"
);

}



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