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Optimize s/dscal function for POWER10 

This patch makes use of new POWER10 vector pair instructions for
loads and stores.
tags/v0.3.14^2
Rajalakshmi Srinivasaraghavan 5 years ago
parent
69a5558203
commit
3ede843d50
4 changed files with 339 additions and 2 deletions
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  1. +35
    -1
      kernel/power/dscal.c
  2. +134
    -0
      kernel/power/dscal_microk_power10.c
  3. +35
    -1
      kernel/power/sscal.c
  4. +135
    -0
      kernel/power/sscal_microk_power10.c

+ 35
- 1
kernel/power/dscal.c View File

@@ -35,9 +35,11 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "common.h"

#if defined(POWER8) || defined(POWER9) || defined(POWER10)
#if defined(__VEC__) || defined(__ALTIVEC__)
#if defined(POWER8) || defined(POWER9)
#include "dscal_microk_power8.c"
#elif defined(POWER10)
#include "dscal_microk_power10.c"
#endif
#endif

@@ -100,12 +102,28 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLAS
if ( da == 0.0 )
{

#if defined(POWER10)
if ( n >= 16 )
{
BLASLONG align = ((32 - ((uintptr_t)x & (uintptr_t)0x1F)) >> 3) & 0x3;
for (j = 0; j < align; j++) {
x[j] = 0.0;
}
}
BLASLONG n1 = (n-j) & -16;
if ( n1 > 0 )
{
dscal_kernel_8_zero(n1, &x[j]);
j+=n1;
}
#else
BLASLONG n1 = n & -16;
if ( n1 > 0 )
{
dscal_kernel_8_zero(n1, x);
j=n1;
}
#endif

while(j < n)
{
@@ -118,12 +136,28 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLAS
else
{

#if defined(POWER10)
if ( n >= 16 )
{
BLASLONG align = ((32 - ((uintptr_t)x & (uintptr_t)0x1F)) >> 3) & 0x3;
for (j = 0; j < align; j++) {
x[j] = da * x[j];
}
}
BLASLONG n1 = (n-j) & -16;
if ( n1 > 0 )
{
dscal_kernel_8(n1, &x[j], da);
j+=n1;
}
#else
BLASLONG n1 = n & -16;
if ( n1 > 0 )
{
dscal_kernel_8(n1, x, da);
j=n1;
}
#endif
while(j < n)
{



+ 134
- 0
kernel/power/dscal_microk_power10.c View File

@@ -0,0 +1,134 @@
/***************************************************************************
Copyright (c) 2021, 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 dscal_kernel_8 (long n, double *x, double alpha)
{
__asm__
(
"dcbt 0, %2 \n\t"

XXSPLTD_S(48,%x3,0)

"lxvp 32, 0(%2) \n\t"
"lxvp 34, 32(%2) \n\t"
"lxvp 36, 64(%2) \n\t"
"lxvp 38, 96(%2) \n\t"

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

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

"xvmuldp 40, 32, 48 \n\t"
"xvmuldp 41, 33, 48 \n\t"
"xvmuldp 42, 34, 48 \n\t"
"xvmuldp 43, 35, 48 \n\t"
"lxvp 32, 128(%2) \n\t"
"lxvp 34, 160(%2) \n\t"
"xvmuldp 44, 36, 48 \n\t"
"xvmuldp 45, 37, 48 \n\t"
"xvmuldp 46, 38, 48 \n\t"
"xvmuldp 47, 39, 48 \n\t"
"lxvp 36, 192(%2) \n\t"
"lxvp 38, 224(%2) \n\t"

"stxvp 40, 0(%2) \n\t"
"stxvp 42, 32(%2) \n\t"
"stxvp 44, 64(%2) \n\t"
"stxvp 46, 96(%2) \n\t"

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

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

"two%=: \n\t"

"xvmuldp 40, 32, 48 \n\t"
"xvmuldp 41, 33, 48 \n\t"
"xvmuldp 42, 34, 48 \n\t"
"xvmuldp 43, 35, 48 \n\t"

"xvmuldp 44, 36, 48 \n\t"
"xvmuldp 45, 37, 48 \n\t"
"xvmuldp 46, 38, 48 \n\t"
"xvmuldp 47, 39, 48 \n\t"

"stxvp 40, 0(%2) \n\t"
"stxvp 42, 32(%2) \n\t"
"stxvp 44, 64(%2) \n\t"
"stxvp 46, 96(%2) \n\t"

"#n=%1 alpha=%3 x=%0=%2"
:
"+m" (*x),
"+r" (n), // 1
"+b" (x) // 2
:
"d" (alpha) // 3
:
"cr0",
"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47","vs48"
);
}


static void dscal_kernel_8_zero (long n, double *x)
{

__asm__
(
"xxlxor 32, 32, 32 \n\t"
"xxlxor 33, 33, 33 \n\t"

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

"stxvp 32, 0(%2) \n\t"
"stxvp 32, 32(%2) \n\t"
"stxvp 32, 64(%2) \n\t"
"stxvp 32, 96(%2) \n\t"

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

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

"#n=%1 x=%0=%2 "
:
"=m" (*x),
"+r" (n), // 1
"+b" (x) // 2
:
:
"cr0","vs32","vs33"
);
}

+ 35
- 1
kernel/power/sscal.c View File

@@ -35,9 +35,11 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "common.h"

#if defined(POWER8) || defined(POWER9) || defined(POWER10)
#if defined(__VEC__) || defined(__ALTIVEC__)
#if defined(POWER8) || defined(POWER9)
#include "sscal_microk_power8.c"
#elif defined(POWER10)
#include "sscal_microk_power10.c"
#endif
#endif

@@ -102,12 +104,28 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLAS
if ( da == 0.0 )
{

#if defined(POWER10)
if ( n >= 32 )
{
BLASLONG align = ((32 - ((uintptr_t)x & (uintptr_t)0x1F)) >> 2) & 0x7;
for (j = 0; j < align; j++) {
x[j] = 0.0;
}
}
BLASLONG n1 = (n-j) & -32;
if ( n1 > 0 )
{
sscal_kernel_16_zero(n1, &x[j]);
j+=n1;
}
#else
BLASLONG n1 = n & -32;
if ( n1 > 0 )
{
sscal_kernel_16_zero(n1, x);
j=n1;
}
#endif

while(j < n)
{
@@ -120,12 +138,28 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLAS
else
{

#if defined(POWER10)
if ( n >= 32 )
{
BLASLONG align = ((32 - ((uintptr_t)x & (uintptr_t)0x1F)) >> 2) & 0x7;
for (j = 0; j < align; j++) {
x[j] = da * x[j];
}
}
BLASLONG n1 = (n-j) & -32;
if ( n1 > 0 )
{
sscal_kernel_16(n1, &x[j], da);
j+=n1;
}
#else
BLASLONG n1 = n & -32;
if ( n1 > 0 )
{
sscal_kernel_16(n1, x, da);
j=n1;
}
#endif
while(j < n)
{



+ 135
- 0
kernel/power/sscal_microk_power10.c View File

@@ -0,0 +1,135 @@
/***************************************************************************
Copyright (c) 2021, 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 void sscal_kernel_16 (long n, float *x, float alpha)
{
__asm__
(
"dcbt 0, %2 \n\t"

"xscvdpspn 48, %x3 \n\t"
"xxspltw 48, 48, 0 \n\t"

"lxvp 32, 0(%2) \n\t"
"lxvp 34, 32(%2) \n\t"
"lxvp 36, 64(%2) \n\t"
"lxvp 38, 96(%2) \n\t"

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

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

"xvmulsp 40, 32, 48 \n\t"
"xvmulsp 41, 33, 48 \n\t"
"xvmulsp 42, 34, 48 \n\t"
"xvmulsp 43, 35, 48 \n\t"
"lxvp 32, 128(%2) \n\t"
"lxvp 34, 160(%2) \n\t"
"xvmulsp 44, 36, 48 \n\t"
"xvmulsp 45, 37, 48 \n\t"
"xvmulsp 46, 38, 48 \n\t"
"xvmulsp 47, 39, 48 \n\t"
"lxvp 36, 192(%2) \n\t"
"lxvp 38, 224(%2) \n\t"

"stxvp 40, 0(%2) \n\t"
"stxvp 42, 32(%2) \n\t"
"stxvp 44, 64(%2) \n\t"
"stxvp 46, 96(%2) \n\t"

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

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

"two%=: \n\t"

"xvmulsp 40, 32, 48 \n\t"
"xvmulsp 41, 33, 48 \n\t"
"xvmulsp 42, 34, 48 \n\t"
"xvmulsp 43, 35, 48 \n\t"

"xvmulsp 44, 36, 48 \n\t"
"xvmulsp 45, 37, 48 \n\t"
"xvmulsp 46, 38, 48 \n\t"
"xvmulsp 47, 39, 48 \n\t"

"stxvp 40, 0(%2) \n\t"
"stxvp 42, 32(%2) \n\t"
"stxvp 44, 64(%2) \n\t"
"stxvp 46, 96(%2) \n\t"

"#n=%1 alpha=%3 x=%0=%2"
:
"+m" (*x),
"+r" (n), // 1
"+b" (x) // 2
:
"f" (alpha) // 3
:
"cr0",
"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47","vs48"
);
}


static void sscal_kernel_16_zero (long n, float *x)
{

__asm__
(
"xxlxor 32, 32, 32 \n\t"
"xxlxor 33, 33, 33 \n\t"

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

"stxvp 32, 0(%2) \n\t"
"stxvp 32, 32(%2) \n\t"
"stxvp 32, 64(%2) \n\t"
"stxvp 32, 96(%2) \n\t"

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

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

"#n=%1 x=%0=%2 "
:
"=m" (*x),
"+r" (n), // 1
"+b" (x) // 2
:
:
"cr0","vs32","vs33"
);
}

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