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Optimize sdot/ddot for POWER10 

This patch makes use of new POWER10 vector pair instructions for
loads and stores.
tags/v0.3.13^2
Rajalakshmi Srinivasaraghavan 5 years ago
parent
ff74319ea5
commit
6e364981a8
5 changed files with 553 additions and 3 deletions
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  1. +3
    -3
      kernel/power/KERNEL.POWER10
  2. +131
    -0
      kernel/power/ddot_microk_power10.c
  3. +130
    -0
      kernel/power/ddot_power10.c
  4. +135
    -0
      kernel/power/sdot_microk_power10.c
  5. +154
    -0
      kernel/power/sdot_power10.c

+ 3
- 3
kernel/power/KERNEL.POWER10 View File

@@ -151,9 +151,9 @@ DCOPYKERNEL = dcopy_power10.c
CCOPYKERNEL = ccopy_power10.c
ZCOPYKERNEL = zcopy_power10.c
#
SDOTKERNEL = sdot.c
DDOTKERNEL = ddot.c
DSDOTKERNEL = sdot.c
SDOTKERNEL = sdot_power10.c
DDOTKERNEL = ddot_power10.c
DSDOTKERNEL = sdot_power10.c
ifneq ($(GCCVERSIONGTEQ9),1)
CDOTKERNEL = cdot_power9.S
else


+ 131
- 0
kernel/power/ddot_microk_power10.c View File

@@ -0,0 +1,131 @@
/***************************************************************************
Copyright (c) 2020, 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 double ddot_kernel_8 (long n, double *x, double *y)
{
double dot;

__asm__
(
"dcbt 0, %2 \n\t"
"dcbt 0, %3 \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"

"lxvp 40, 0(%2) \n\t"
"lxvp 42, 32(%2) \n\t"
"lxvp 44, 64(%2) \n\t"
"lxvp 46, 96(%2) \n\t"
"lxvp 48, 0(%3) \n\t"
"lxvp 50, 32(%3) \n\t"
"lxvp 52, 64(%3) \n\t"
"lxvp 54, 96(%3) \n\t"

"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"

"addic. %1, %1, -16 \n\t"
"ble two%= \n\t"

".align 5 \n"
"one%=: \n\t"

"xvmaddadp 32, 40, 48 \n\t"
"xvmaddadp 33, 41, 49 \n\t"
"lxvp 40, 0(%2) \n\t"
"lxvp 48, 0(%3) \n\t"
"xvmaddadp 34, 42, 50 \n\t"
"xvmaddadp 35, 43, 51 \n\t"
"lxvp 42, 32(%2) \n\t"
"lxvp 50, 32(%3) \n\t"
"xvmaddadp 36, 44, 52 \n\t"
"xvmaddadp 37, 45, 53 \n\t"
"lxvp 44, 64(%2) \n\t"
"lxvp 52, 64(%3) \n\t"
"xvmaddadp 38, 46, 54 \n\t"
"xvmaddadp 39, 47, 55 \n\t"
"lxvp 46, 96(%2) \n\t"
"lxvp 54, 96(%3) \n\t"

"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"

"addic. %1, %1, -16 \n\t"
"bgt one%= \n"

"two%=: \n\t"

"xvmaddadp 32, 40, 48 \n\t"
"xvmaddadp 33, 41, 49 \n\t"
"xvmaddadp 34, 42, 50 \n\t"
"xvmaddadp 35, 43, 51 \n\t"
"xvmaddadp 36, 44, 52 \n\t"
"xvmaddadp 37, 45, 53 \n\t"
"xvmaddadp 38, 46, 54 \n\t"
"xvmaddadp 39, 47, 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"

XXSWAPD_S(33,32)

"xsadddp %x0, 32, 33 \n"

"#dot=%0 n=%1 x=%4=%2 y=%5=%3\n"
:
"=d" (dot), // 0
"+r" (n), // 1
"+b" (x), // 2
"+b" (y) // 3
:
"m" (*x),
"m" (*y)
:
"cr0",
"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
"vs48","vs49","vs50","vs51","vs52","vs53","vs54","vs55"
);

return dot;
}

+ 130
- 0
kernel/power/ddot_power10.c View File

@@ -0,0 +1,130 @@
/***************************************************************************
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.
*****************************************************************************/

#include "common.h"


#if defined(__VEC__) || defined(__ALTIVEC__)
#include "ddot_microk_power10.c"
#endif


#ifndef HAVE_KERNEL_8

static FLOAT ddot_kernel_8 (BLASLONG n, FLOAT *x, FLOAT *y)
{
BLASLONG register i = 0;
FLOAT dot = 0.0;

while(i < n)
{
dot += y[i] * x[i]
+ y[i+1] * x[i+1]
+ y[i+2] * x[i+2]
+ y[i+3] * x[i+3]
+ y[i+4] * x[i+4]
+ y[i+5] * x[i+5]
+ y[i+6] * x[i+6]
+ y[i+7] * x[i+7] ;

i+=8 ;

}
return dot;
}

#endif

FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
{
BLASLONG i=0;
BLASLONG ix=0,iy=0;

FLOAT dot = 0.0 ;

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

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

BLASLONG n1 = n & -16;

if ( n1 )
dot = ddot_kernel_8(n1, x, y);

i = n1;
while(i < n)
{

dot += y[i] * x[i] ;
i++ ;

}
return(dot);


}

FLOAT temp1 = 0.0;
FLOAT temp2 = 0.0;

BLASLONG n1 = n & -4;

while(i < n1)
{

FLOAT m1 = y[iy] * x[ix] ;
FLOAT m2 = y[iy+inc_y] * x[ix+inc_x] ;

FLOAT m3 = y[iy+2*inc_y] * x[ix+2*inc_x] ;
FLOAT m4 = y[iy+3*inc_y] * x[ix+3*inc_x] ;

ix += inc_x*4 ;
iy += inc_y*4 ;

temp1 += m1+m3;
temp2 += m2+m4;

i+=4 ;

}

while(i < n)
{

temp1 += y[iy] * x[ix] ;
ix += inc_x ;
iy += inc_y ;
i++ ;

}
dot = temp1 + temp2;
return(dot);

}



+ 135
- 0
kernel/power/sdot_microk_power10.c View File

@@ -0,0 +1,135 @@
/***************************************************************************
Copyright (c) 2020, 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_16 1

static float sdot_kernel_16 (long n, float *x, float *y)
{
float dot;

__asm__
(
"dcbt 0, %2 \n\t"
"dcbt 0, %3 \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"

"lxvp 40, 0(%2) \n\t"
"lxvp 42, 32(%2) \n\t"
"lxvp 44, 64(%2) \n\t"
"lxvp 46, 96(%2) \n\t"
"lxvp 48, 0(%3) \n\t"
"lxvp 50, 32(%3) \n\t"
"lxvp 52, 64(%3) \n\t"
"lxvp 54, 96(%3) \n\t"

"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"

"addic. %1, %1, -32 \n\t"
"ble two%= \n\t"

".align 5 \n"
"one%=: \n\t"

"xvmaddasp 32, 40, 48 \n\t"
"xvmaddasp 33, 41, 49 \n\t"
"lxvp 40, 0(%2) \n\t"
"lxvp 48, 0(%3) \n\t"
"xvmaddasp 34, 42, 50 \n\t"
"xvmaddasp 35, 43, 51 \n\t"
"lxvp 42, 32(%2) \n\t"
"lxvp 50, 32(%3) \n\t"
"xvmaddasp 36, 44, 52 \n\t"
"xvmaddasp 37, 45, 53 \n\t"
"lxvp 44, 64(%2) \n\t"
"lxvp 52, 64(%3) \n\t"
"xvmaddasp 38, 46, 54 \n\t"
"xvmaddasp 39, 47, 55 \n\t"
"lxvp 46, 96(%2) \n\t"
"lxvp 54, 96(%3) \n\t"

"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"

"addic. %1, %1, -32 \n\t"
"bgt one%= \n"

"two%=: \n\t"

"xvmaddasp 32, 40, 48 \n\t"
"xvmaddasp 33, 41, 49 \n\t"
"xvmaddasp 34, 42, 50 \n\t"
"xvmaddasp 35, 43, 51 \n\t"
"xvmaddasp 36, 44, 52 \n\t"
"xvmaddasp 37, 45, 53 \n\t"
"xvmaddasp 38, 46, 54 \n\t"
"xvmaddasp 39, 47, 55 \n\t"

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

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

"xvaddsp 32, 32, 36 \n\t"

"xxsldwi 33, 32, 32, 2 \n\t"
"xvaddsp 32, 32, 33 \n\t"

"xxsldwi 33, 32, 32, 1 \n\t"
"xvaddsp 32, 32, 33 \n\t"

"xscvspdp %x0, 32 \n"

"#dot=%0 n=%1 x=%4=%2 y=%5=%3\n"
:
"=f" (dot), // 0
"+r" (n), // 1
"+b" (x), // 2
"+b" (y) // 3
:
"m" (*x),
"m" (*y)
:
"cr0",
"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
"vs48","vs49","vs50","vs51","vs52","vs53","vs54","vs55"
);

return dot;
}

+ 154
- 0
kernel/power/sdot_power10.c View File

@@ -0,0 +1,154 @@
/***************************************************************************
Copyright (c) 2020, 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(__VEC__) || defined(__ALTIVEC__)
#include "sdot_microk_power10.c"
#endif


#ifndef HAVE_KERNEL_16

static FLOAT sdot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y)
{
BLASLONG register i = 0;
FLOAT dot = 0.0;

while(i < n)
{
dot += y[i] * x[i]
+ y[i+1] * x[i+1]
+ y[i+2] * x[i+2]
+ y[i+3] * x[i+3]
+ y[i+4] * x[i+4]
+ y[i+5] * x[i+5]
+ y[i+6] * x[i+6]
+ y[i+7] * x[i+7] ;

i+=8 ;

}
return dot;
}

#endif

#if defined (DSDOT)
double CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
#else
FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
#endif
{
BLASLONG i=0;
BLASLONG ix=0,iy=0;
double dot = 0.0 ;

#if defined (DSDOT)
double mydot = 0.0;
FLOAT asmdot = 0.0;
#else
FLOAT mydot=0.0;
#endif
BLASLONG n1;

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

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

n1 = n & (BLASLONG)(-32);

if ( n1 )
#if defined(DSDOT)
{
FLOAT *x1=x;
FLOAT *y1=y;
BLASLONG n2 = 32;
while (i<n1) {
asmdot = sdot_kernel_16(n2, x1, y1);
mydot += (double)asmdot;
asmdot=0.;
x1+=32;
y1+=32;
i+=32;
}
}
#else
mydot = sdot_kernel_16(n1, x, y);
#endif
i = n1;
while(i < n)
{
#if defined(DSDOT)
dot += (double)y[i] * (double)x[i] ;
#else
dot += y[i] * x[i] ;
#endif
i++ ;

}

dot+=mydot;
return(dot);


}

n1 = n & (BLASLONG)(-2);

while(i < n1)
{
#if defined (DSDOT)
dot += (double)y[iy] * (double)x[ix] + (double)y[iy+inc_y] * (double)x[ix+inc_x];
#else
dot += y[iy] * x[ix] + y[iy+inc_y] * x[ix+inc_x];
#endif
ix += inc_x*2 ;
iy += inc_y*2 ;
i+=2 ;

}

while(i < n)
{
#if defined (DSDOT)
dot += (double)y[iy] * (double)x[ix] ;
#else
dot += y[iy] * x[ix] ;
#endif
ix += inc_x ;
iy += inc_y ;
i++ ;

}
return(dot);

}



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