OSchip
/
OpenBLAS
Not watched
1
0
Fork 0
Code
Releases 66 Wiki evaluate Activity
Issues 0 Pull Requests 0 Datasets Model Cloudbrain HPC
Browse Source

Merge pull request #2950 from RajalakshmiSR/saxpy 

Optimize saxpy for POWER10
tags/v0.3.13^2
Martin Kroeker GitHub 5 years ago
parent
76203e2120 c24ba8b1dd
commit
e2f9005db8
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 301 additions and 1 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +1
    -1
      kernel/power/KERNEL.POWER10
  2. +181
    -0
      kernel/power/saxpy_microk_power10.c
  3. +119
    -0
      kernel/power/saxpy_power10.c

+ 1
- 1
kernel/power/KERNEL.POWER10 View File

@@ -141,7 +141,7 @@ DASUMKERNEL = dasum.c
CASUMKERNEL = casum.c
ZASUMKERNEL = zasum.c
#
SAXPYKERNEL = saxpy.c
SAXPYKERNEL = saxpy_power10.c
DAXPYKERNEL = daxpy_power10.c
ifneq ($(GCCVERSIONGTEQ9),1)
CAXPYKERNEL = caxpy_power9.S


+ 181
- 0
kernel/power/saxpy_microk_power10.c View File

@@ -0,0 +1,181 @@
/***************************************************************************
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 void saxpy_kernel_64(long n, float *x, float *y, float alpha)
{
__vector float t0 = {alpha, alpha,alpha, alpha};

__asm__
(

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

"lxvp 32, 0(%2) \n\t"
"lxvp 34, 32(%2) \n\t"
"lxvp 40, 64(%2) \n\t"
"lxvp 42, 96(%2) \n\t"
"lxvp 48, 128(%2) \n\t"
"lxvp 50, 160(%2) \n\t"
"lxvp 52, 192(%2) \n\t"
"lxvp 54, 224(%2) \n\t"

"lxvp 36, 0(%3) \n\t"
"lxvp 38, 32(%3) \n\t"
"lxvp 44, 64(%3) \n\t"
"lxvp 46, 96(%3) \n\t"
"lxvp 56, 128(%3) \n\t"
"lxvp 58, 160(%3) \n\t"
"lxvp 60, 192(%3) \n\t"
"lxvp 62, 224(%3) \n\t"

"addi %2, %2, 256 \n\t"

"addic. %1, %1, -64 \n\t"
"ble two%= \n\t"

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

"xvmaddasp 36, 32, %x4 \n\t"
"xvmaddasp 37, 33, %x4 \n\t"

"lxvp 32, 0(%2) \n\t"
"stxvp 36, 0(%3) \n\t"

"xvmaddasp 38, 34, %x4 \n\t"
"xvmaddasp 39, 35, %x4 \n\t"

"lxvp 34, 32(%2) \n\t"
"stxvp 38, 32(%3) \n\t"

"lxvp 36, 256(%3) \n\t"
"lxvp 38, 288(%3) \n\t"

"xvmaddasp 44, 40, %x4 \n\t"
"xvmaddasp 45, 41, %x4 \n\t"

"lxvp 40, 64(%2) \n\t"
"stxvp 44, 64(%3) \n\t"

"xvmaddasp 46, 42, %x4 \n\t"
"xvmaddasp 47, 43, %x4 \n\t"

"lxvp 42, 96(%2) \n\t"
"stxvp 46, 96(%3) \n\t"

"lxvp 44, 320(%3) \n\t"
"lxvp 46, 352(%3) \n\t"

"xvmaddasp 56, 48, %x4 \n\t"
"xvmaddasp 57, 49, %x4 \n\t"

"lxvp 48, 128(%2) \n\t"
"stxvp 56, 128(%3) \n\t"

"xvmaddasp 58, 50, %x4 \n\t"
"xvmaddasp 59, 51, %x4 \n\t"

"lxvp 50, 160(%2) \n\t"
"stxvp 58, 160(%3) \n\t"

"lxvp 56, 384(%3) \n\t"
"lxvp 58, 416(%3) \n\t"

"xvmaddasp 60, 52, %x4 \n\t"
"xvmaddasp 61, 53, %x4 \n\t"

"lxvp 52, 192(%2) \n\t"
"stxvp 60, 192(%3) \n\t"

"xvmaddasp 62, 54, %x4 \n\t"
"xvmaddasp 63, 55, %x4 \n\t"

"lxvp 54, 224(%2) \n\t"
"stxvp 62, 224(%3) \n\t"

"lxvp 60, 448(%3) \n\t"
"lxvp 62, 480(%3) \n\t"

"addi %2, %2, 256 \n\t"
"addi %3, %3, 256 \n\t"

"addic. %1, %1, -64 \n\t"
"bgt one%= \n"

"two%=: \n\t"

"xvmaddasp 36, 32, %x4 \n\t"
"xvmaddasp 37, 33, %x4 \n\t"
"xvmaddasp 38, 34, %x4 \n\t"
"xvmaddasp 39, 35, %x4 \n\t"

"xvmaddasp 44, 40, %x4 \n\t"
"xvmaddasp 45, 41, %x4 \n\t"
"xvmaddasp 46, 42, %x4 \n\t"
"xvmaddasp 47, 43, %x4 \n\t"

"xvmaddasp 56, 48, %x4 \n\t"
"xvmaddasp 57, 49, %x4 \n\t"
"xvmaddasp 58, 50, %x4 \n\t"
"xvmaddasp 59, 51, %x4 \n\t"

"xvmaddasp 60, 52, %x4 \n\t"
"xvmaddasp 61, 53, %x4 \n\t"
"xvmaddasp 62, 54, %x4 \n\t"
"xvmaddasp 63, 55, %x4 \n\t"
"stxvp 36, 0(%3) \n\t"
"stxvp 38, 32(%3) \n\t"
"stxvp 44, 64(%3) \n\t"
"stxvp 46, 96(%3) \n\t"
"stxvp 56, 128(%3) \n\t"
"stxvp 58, 160(%3) \n\t"
"stxvp 60, 192(%3) \n\t"
"stxvp 62, 224(%3) \n\t"

"#n=%1 x=%5=%2 y=%0=%3 t0=%x4\n"
:
"+m" (*y),
"+r" (n), // 1
"+b" (x), // 2
"+b" (y) // 3
:
"wa" (t0), // 4
"m" (*x)
:
"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",
"vs56","vs57","vs58","vs59","vs60","vs61","vs62","vs63"
);

}



+ 119
- 0
kernel/power/saxpy_power10.c View File

@@ -0,0 +1,119 @@
/***************************************************************************
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 "saxpy_microk_power10.c"
#endif

#ifndef HAVE_KERNEL_8
static void saxpy_kernel_64(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT alpha)
{
BLASLONG register i = 0;

while(i < n)
{
y[i] += alpha * x[i];
y[i+1] += alpha * x[i+1];
y[i+2] += alpha * x[i+2];
y[i+3] += alpha * x[i+3];
y[i+4] += alpha * x[i+4];
y[i+5] += alpha * x[i+5];
y[i+6] += alpha * x[i+6];
y[i+7] += alpha * x[i+7];
i+=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;
BLASLONG ix=0,iy=0;

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

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

BLASLONG n1 = n & -64;

if ( n1 )
saxpy_kernel_64(n1, x, y, da);

i = n1;
while(i < n)
{

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

}
return(0);


}

BLASLONG n1 = n & -4;

while(i < n1)
{

FLOAT m1 = da * x[ix] ;
FLOAT m2 = da * x[ix+inc_x] ;
FLOAT m3 = da * x[ix+2*inc_x] ;
FLOAT m4 = da * x[ix+3*inc_x] ;

y[iy] += m1 ;
y[iy+inc_y] += m2 ;
y[iy+2*inc_y] += m3 ;
y[iy+3*inc_y] += m4 ;

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

}

while(i < n)
{

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

}
return(0);

}



Write Preview
Loading…
Cancel
Save