added optimized dscal kernel for POWER8
This commit is contained in:
Werner Saar
parent
55eda3813b
commit
1e6cf9808c
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@ -136,9 +136,9 @@ ZDOTKERNEL = zdot.c
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#ZROTKERNEL = ../arm/zrot.c
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#
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#SSCALKERNEL = ../arm/scal.c
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#DSCALKERNEL = ../arm/scal.c
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DSCALKERNEL = dscal.c
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#CSCALKERNEL = ../arm/zscal.c
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#ZSCALKERNEL = ../arm/zscal.c
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#ZSCALKERNEL = zscal.c
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#
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#SSWAPKERNEL = ../arm/swap.c
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#DSWAPKERNEL = ../arm/swap.c
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@ -0,0 +1,174 @@
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/***************************************************************************
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Copyright (c) 2013-2016, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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/**************************************************************************************
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* 2016/03/25 Werner Saar (wernsaar@googlemail.com)
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* BLASTEST : OK
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* CTEST : OK
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* TEST : OK
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* LAPACK-TEST : OK
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**************************************************************************************/
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#include "common.h"
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#if defined(POWER8)
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#include "dscal_microk_power8.c"
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#endif
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#if !defined(HAVE_KERNEL_8)
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static void dscal_kernel_8( BLASLONG n, FLOAT *da , FLOAT *x )
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{
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BLASLONG i;
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FLOAT alpha = *da;
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for( i=0; i<n; i+=8 )
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{
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x[0] *= alpha;
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x[1] *= alpha;
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x[2] *= alpha;
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x[3] *= alpha;
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x[4] *= alpha;
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x[5] *= alpha;
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x[6] *= alpha;
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x[7] *= alpha;
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x+=8;
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}
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}
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static void dscal_kernel_8_zero( BLASLONG n, FLOAT *da , FLOAT *x )
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{
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BLASLONG i;
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FLOAT alpha=0.0;
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for( i=0; i<n; i+=8 )
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{
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x[0] = alpha;
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x[1] = alpha;
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x[2] = alpha;
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x[3] = alpha;
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x[4] = alpha;
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x[5] = alpha;
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x[6] = alpha;
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x[7] = alpha;
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x+=8;
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}
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}
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#endif
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
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{
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BLASLONG i=0,j=0;
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if ( n <= 0 || inc_x <=0 )
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return(0);
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if ( inc_x == 1 )
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{
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if ( da == 0.0 )
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{
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BLASLONG n1 = n & -16;
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if ( n1 > 0 )
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{
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FLOAT alpha[2];
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alpha[0]=da;
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alpha[1]=da;
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dscal_kernel_8_zero(n1 , alpha , x);
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j=n1;
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}
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while(j < n)
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{
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x[j]=0.0;
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j++;
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}
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}
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else
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{
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BLASLONG n1 = n & -16;
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if ( n1 > 0 )
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{
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FLOAT alpha[2];
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alpha[0]=da;
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alpha[1]=da;
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dscal_kernel_8(n1 , alpha , x);
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j=n1;
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}
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while(j < n)
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{
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x[j] = da * x[j] ;
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j++;
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}
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}
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}
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else
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{
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if ( da == 0.0 )
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{
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while(j < n)
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{
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x[i]=0.0;
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i += inc_x ;
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j++;
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}
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}
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else
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{
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while(j < n)
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{
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x[i] = da * x[i] ;
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i += inc_x ;
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j++;
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}
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}
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}
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return 0;
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}
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@ -0,0 +1,219 @@
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/***************************************************************************
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Copyright (c) 2013-2016, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
|
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
|
||||
derived from this software without specific prior written permission.
|
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
|
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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
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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/**************************************************************************************
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* 2016/03/25 Werner Saar (wernsaar@googlemail.com)
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* BLASTEST : OK
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* CTEST : OK
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* TEST : OK
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* LAPACK-TEST : OK
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**************************************************************************************/
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#define HAVE_KERNEL_8 1
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static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));
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static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x)
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{
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BLASLONG i = n;
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BLASLONG o16 = 16;
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BLASLONG o32 = 32;
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BLASLONG o48 = 48;
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BLASLONG o64 = 64;
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BLASLONG o80 = 80;
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BLASLONG o96 = 96;
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BLASLONG o112 = 112;
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FLOAT *x1=x;
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FLOAT *x2=x+1;
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BLASLONG pre = 384;
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__asm__ __volatile__
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(
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"lxsdx 33, 0, %3 \n\t"
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"xxspltd 32, 33, 0 \n\t"
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"addi %1, %1, -8 \n\t"
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"dcbt %2, %4 \n\t"
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"lxvd2x 40, 0, %2 \n\t"
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"lxvd2x 41, %5, %2 \n\t"
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"lxvd2x 42, %6, %2 \n\t"
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"lxvd2x 43, %7, %2 \n\t"
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"lxvd2x 44, %8, %2 \n\t"
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"lxvd2x 45, %9, %2 \n\t"
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"lxvd2x 46, %10, %2 \n\t"
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"lxvd2x 47, %11, %2 \n\t"
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"addi %2, %2, 128 \n\t"
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"addic. %0 , %0 , -16 \n\t"
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"ble 2f \n\t"
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".align 5 \n\t"
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"1: \n\t"
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"dcbt %2, %4 \n\t"
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"xvmuldp 48, 40, 32 \n\t"
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"xvmuldp 49, 41, 32 \n\t"
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"lxvd2x 40, 0, %2 \n\t"
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"lxvd2x 41, %5, %2 \n\t"
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"xvmuldp 50, 42, 32 \n\t"
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"xvmuldp 51, 43, 32 \n\t"
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"lxvd2x 42, %6, %2 \n\t"
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"lxvd2x 43, %7, %2 \n\t"
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"xvmuldp 52, 44, 32 \n\t"
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"xvmuldp 53, 45, 32 \n\t"
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"lxvd2x 44, %8, %2 \n\t"
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"lxvd2x 45, %9, %2 \n\t"
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"xvmuldp 54, 46, 32 \n\t"
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"xvmuldp 55, 47, 32 \n\t"
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"lxvd2x 46, %10, %2 \n\t"
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"lxvd2x 47, %11, %2 \n\t"
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"stxvd2x 48, 0, %1 \n\t"
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"stxvd2x 49, %5, %1 \n\t"
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"stxvd2x 50, %6, %1 \n\t"
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"stxvd2x 51, %7, %1 \n\t"
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"stxvd2x 52, %8, %1 \n\t"
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"stxvd2x 53, %9, %1 \n\t"
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"stxvd2x 54, %10, %1 \n\t"
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"stxvd2x 55, %11, %1 \n\t"
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"addi %1, %1, 128 \n\t"
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"addi %2, %2, 128 \n\t"
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"addic. %0 , %0 , -16 \n\t"
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"bgt 1b \n\t"
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"2: \n\t"
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"xvmuldp 48, 40, 32 \n\t"
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"xvmuldp 49, 41, 32 \n\t"
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"xvmuldp 50, 42, 32 \n\t"
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"xvmuldp 51, 43, 32 \n\t"
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"xvmuldp 52, 44, 32 \n\t"
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"xvmuldp 53, 45, 32 \n\t"
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"xvmuldp 54, 46, 32 \n\t"
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"xvmuldp 55, 47, 32 \n\t"
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"stxvd2x 48, 0, %1 \n\t"
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"stxvd2x 49, %5, %1 \n\t"
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"stxvd2x 50, %6, %1 \n\t"
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"stxvd2x 51, %7, %1 \n\t"
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"stxvd2x 52, %8, %1 \n\t"
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"stxvd2x 53, %9, %1 \n\t"
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"stxvd2x 54, %10, %1 \n\t"
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"stxvd2x 55, %11, %1 \n\t"
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:
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:
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"r" (i), // 0
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"r" (x2), // 1
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"r" (x1), // 2
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"r" (alpha), // 3
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"r" (pre), // 4
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"r" (o16), // 5
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"r" (o32), // 6
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"r" (o48), // 7
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"r" (o64), // 8
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"r" (o80), // 9
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"r" (o96), // 10
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"r" (o112) // 11
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: "cr0", "%0", "%2" , "%1", "memory"
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);
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}
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static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));
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static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
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{
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BLASLONG i = n;
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BLASLONG o16 = 16;
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BLASLONG o32 = 32;
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BLASLONG o48 = 48;
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BLASLONG o64 = 64;
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BLASLONG o80 = 80;
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BLASLONG o96 = 96;
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BLASLONG o112 = 112;
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FLOAT *x1=x;
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FLOAT *x2=x+1;
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BLASLONG pre = 384;
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__asm__ __volatile__
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(
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"xxlxor 32 , 32 , 32 \n\t"
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"addi %1, %1, -8 \n\t"
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".align 5 \n\t"
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"1: \n\t"
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"stxvd2x 32, 0, %1 \n\t"
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"stxvd2x 32, %5, %1 \n\t"
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"stxvd2x 32, %6, %1 \n\t"
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"stxvd2x 32, %7, %1 \n\t"
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"stxvd2x 32, %8, %1 \n\t"
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"stxvd2x 32, %9, %1 \n\t"
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"stxvd2x 32, %10, %1 \n\t"
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"stxvd2x 32, %11, %1 \n\t"
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"addi %1, %1, 128 \n\t"
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"addic. %0 , %0 , -16 \n\t"
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"bgt 1b \n\t"
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"2: \n\t"
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:
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:
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"r" (i), // 0
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"r" (x2), // 1
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"r" (x1), // 2
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"r" (alpha), // 3
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"r" (pre), // 4
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"r" (o16), // 5
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"r" (o32), // 6
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"r" (o48), // 7
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"r" (o64), // 8
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"r" (o80), // 9
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"r" (o96), // 10
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"r" (o112) // 11
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: "cr0", "%0", "%2" , "%1", "memory"
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);
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}
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