added optimized sasum kernel for POWER8
This commit is contained in:
Werner Saar
parent
c53be46d78
commit
f59c9bd6ef
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@ -105,7 +105,7 @@ ZTRSMKERNEL_RT = ../generic/trsm_kernel_RT.c
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#ISMINKERNEL = ../arm/imin.c
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#IDMINKERNEL = ../arm/imin.c
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#
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#SASUMKERNEL = ../arm/asum.c
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SASUMKERNEL = sasum.c
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DASUMKERNEL = dasum.c
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#CASUMKERNEL = ../arm/zasum.c
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#ZASUMKERNEL = ../arm/zasum.c
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@ -0,0 +1,146 @@
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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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* 2016/03/28 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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#include <math.h>
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#if defined(DOUBLE)
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#define ABS fabs
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#else
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#define ABS fabsf
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#endif
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#if defined(POWER8)
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#include "sasum_microk_power8.c"
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#endif
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#ifndef HAVE_KERNEL_32
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static void sasum_kernel_32(BLASLONG n, FLOAT *x1, FLOAT *svec)
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{
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BLASLONG i=0;
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FLOAT *x = x1;
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FLOAT temp0, temp1, temp2, temp3;
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FLOAT temp4, temp5, temp6, temp7;
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FLOAT sum0 = 0.0;
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FLOAT sum1 = 0.0;
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FLOAT sum2 = 0.0;
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FLOAT sum3 = 0.0;
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while ( i< n )
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{
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temp0 = ABS(x[0]);
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temp1 = ABS(x[1]);
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temp2 = ABS(x[2]);
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temp3 = ABS(x[3]);
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temp4 = ABS(x[4]);
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temp5 = ABS(x[5]);
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temp6 = ABS(x[6]);
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temp7 = ABS(x[7]);
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sum0 += temp0;
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sum1 += temp1;
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sum2 += temp2;
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sum3 += temp3;
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sum0 += temp4;
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sum1 += temp5;
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sum2 += temp6;
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sum3 += temp7;
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x+=8;
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i+=8;
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}
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svec[0] = sum0+sum1+sum2+sum3;
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svec[1] = 0.0;
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svec[2] = 0.0;
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svec[3] = 0.0;
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}
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#endif
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FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
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{
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BLASLONG i=0;
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FLOAT sumf = 0.0;
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FLOAT svec[4] __attribute__ ((aligned (16)));;
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BLASLONG n1;
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if (n <= 0 || inc_x <= 0) return(sumf);
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if ( inc_x == 1 )
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{
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n1 = n & -32;
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if ( n1 > 0 )
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{
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sasum_kernel_32(n1, x, svec);
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sumf = svec[0] + svec[1]+svec[2]+svec[3];
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i=n1;
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}
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while(i < n)
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{
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sumf += ABS(x[i]);
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i++;
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}
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}
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else
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{
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n *= inc_x;
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while(i < n)
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{
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sumf += ABS(x[i]);
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i += inc_x;
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}
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}
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return(sumf);
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}
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@ -0,0 +1,177 @@
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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
|
||||
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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* 2016/03/28 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_32 1
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static void sasum_kernel_32( BLASLONG n, FLOAT *x, FLOAT *svec) __attribute__ ((noinline));
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static void sasum_kernel_32( BLASLONG n, FLOAT *x, FLOAT *svec)
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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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BLASLONG pre = 384;
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__asm__ __volatile__
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(
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"dcbt %2 , %4 \n\t"
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"xxlxor 32,32,32 \n\t"
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"xxlxor 33,33,33 \n\t"
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"xxlxor 34,34,34 \n\t"
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"xxlxor 35,35,35 \n\t"
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"xxlxor 36,36,36 \n\t"
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"xxlxor 37,37,37 \n\t"
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"xxlxor 38,38,38 \n\t"
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"xxlxor 39,39,39 \n\t"
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"lxvw4x 40, 0, %2 \n\t"
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"lxvw4x 41, %5, %2 \n\t"
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"lxvw4x 42, %6, %2 \n\t"
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"lxvw4x 43, %7, %2 \n\t"
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"lxvw4x 44, %8, %2 \n\t"
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"lxvw4x 45, %9, %2 \n\t"
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"lxvw4x 46, %10, %2 \n\t"
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"lxvw4x 47, %11, %2 \n\t"
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"addi %2, %2, 128 \n\t"
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"addic. %0 , %0 , -32 \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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"xvabssp 48, 40 \n\t"
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"xvabssp 49, 41 \n\t"
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"xvabssp 50, 42 \n\t"
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"xvabssp 51, 43 \n\t"
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"lxvw4x 40, 0, %2 \n\t"
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"lxvw4x 41, %5, %2 \n\t"
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"xvabssp 52, 44 \n\t"
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"xvabssp 53, 45 \n\t"
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"lxvw4x 42, %6, %2 \n\t"
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"lxvw4x 43, %7, %2 \n\t"
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"xvabssp 54, 46 \n\t"
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"xvabssp 55, 47 \n\t"
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"lxvw4x 44, %8, %2 \n\t"
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"lxvw4x 45, %9, %2 \n\t"
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"xvaddsp 32, 32, 48 \n\t"
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"xvaddsp 33, 33, 49 \n\t"
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"lxvw4x 46, %10, %2 \n\t"
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"lxvw4x 47, %11, %2 \n\t"
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"xvaddsp 34, 34, 50 \n\t"
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"xvaddsp 35, 35, 51 \n\t"
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"addi %2, %2, 128 \n\t"
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"xvaddsp 36, 36, 52 \n\t"
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"xvaddsp 37, 37, 53 \n\t"
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"addic. %0 , %0 , -32 \n\t"
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"xvaddsp 38, 38, 54 \n\t"
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"xvaddsp 39, 39, 55 \n\t"
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"bgt 1b \n\t"
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"2: \n\t"
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"xvabssp 48, 40 \n\t"
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"xvabssp 49, 41 \n\t"
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"xvabssp 50, 42 \n\t"
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"xvabssp 51, 43 \n\t"
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"xvabssp 52, 44 \n\t"
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"xvabssp 53, 45 \n\t"
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"xvabssp 54, 46 \n\t"
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"xvabssp 55, 47 \n\t"
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"xvaddsp 32, 32, 48 \n\t"
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"xvaddsp 33, 33, 49 \n\t"
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"xvaddsp 34, 34, 50 \n\t"
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"xvaddsp 35, 35, 51 \n\t"
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"xvaddsp 36, 36, 52 \n\t"
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"xvaddsp 37, 37, 53 \n\t"
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"xvaddsp 38, 38, 54 \n\t"
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"xvaddsp 39, 39, 55 \n\t"
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"xvaddsp 32, 32, 33 \n\t"
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"xvaddsp 34, 34, 35 \n\t"
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"xvaddsp 36, 36, 37 \n\t"
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"xvaddsp 38, 38, 39 \n\t"
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"xvaddsp 32, 32, 34 \n\t"
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"xvaddsp 36, 36, 38 \n\t"
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"xvaddsp 32, 32, 36 \n\t"
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"stxvw4x 32, 0, %3 \n\t"
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:
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:
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"r" (i), // 0
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"r" (n), // 1
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"r" (x1), // 2
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"r" (svec), // 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", "memory"
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);
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}
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