Merge pull request #2979 from RajalakshmiSR/dot_power10
Optimize sdot/ddot for POWER10
This commit is contained in:
Martin Kroeker
GitHub
commit
110c7a6de0
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@ -151,9 +151,9 @@ DCOPYKERNEL = dcopy_power10.c
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CCOPYKERNEL = ccopy_power10.c
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CCOPYKERNEL = ccopy_power10.c
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ZCOPYKERNEL = zcopy_power10.c
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ZCOPYKERNEL = zcopy_power10.c
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#
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#
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SDOTKERNEL = sdot.c
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SDOTKERNEL = sdot_power10.c
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DDOTKERNEL = ddot.c
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DDOTKERNEL = ddot_power10.c
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DSDOTKERNEL = sdot.c
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DSDOTKERNEL = sdot_power10.c
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ifneq ($(GCCVERSIONGTEQ9),1)
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ifneq ($(GCCVERSIONGTEQ9),1)
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CDOTKERNEL = cdot_power9.S
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CDOTKERNEL = cdot_power9.S
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else
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else
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@ -0,0 +1,131 @@
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|
/***************************************************************************
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||||||
|
Copyright (c) 2020, The OpenBLAS Project
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||||||
|
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.
|
||||||
|
*****************************************************************************/
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||||||
|
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|
#define HAVE_KERNEL_8 1
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static double ddot_kernel_8 (long n, double *x, double *y)
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{
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double dot;
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|
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|
__asm__
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|
(
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||||||
|
"dcbt 0, %2 \n\t"
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||||||
|
"dcbt 0, %3 \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"
|
||||||
|
"xxlxor 36, 36, 36 \n\t"
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||||||
|
"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"
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||||||
|
|
||||||
|
"addic. %1, %1, -16 \n\t"
|
||||||
|
"ble two%= \n\t"
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||||||
|
|
||||||
|
".align 5 \n"
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||||||
|
"one%=: \n\t"
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||||||
|
|
||||||
|
"xvmaddadp 32, 40, 48 \n\t"
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||||||
|
"xvmaddadp 33, 41, 49 \n\t"
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||||||
|
"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"
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||||||
|
|
||||||
|
"two%=: \n\t"
|
||||||
|
|
||||||
|
"xvmaddadp 32, 40, 48 \n\t"
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||||||
|
"xvmaddadp 33, 41, 49 \n\t"
|
||||||
|
"xvmaddadp 34, 42, 50 \n\t"
|
||||||
|
"xvmaddadp 35, 43, 51 \n\t"
|
||||||
|
"xvmaddadp 36, 44, 52 \n\t"
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||||||
|
"xvmaddadp 37, 45, 53 \n\t"
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||||||
|
"xvmaddadp 38, 46, 54 \n\t"
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||||||
|
"xvmaddadp 39, 47, 55 \n\t"
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|
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"xvadddp 32, 32, 33 \n\t"
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|
"xvadddp 34, 34, 35 \n\t"
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|
"xvadddp 36, 36, 37 \n\t"
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|
"xvadddp 38, 38, 39 \n\t"
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|
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|
"xvadddp 32, 32, 34 \n\t"
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|
"xvadddp 36, 36, 38 \n\t"
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|
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|
"xvadddp 32, 32, 36 \n\t"
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XXSWAPD_S(33,32)
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|
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"xsadddp %x0, 32, 33 \n"
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"#dot=%0 n=%1 x=%4=%2 y=%5=%3\n"
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:
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"=d" (dot), // 0
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"+r" (n), // 1
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"+b" (x), // 2
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"+b" (y) // 3
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:
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"m" (*x),
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"m" (*y)
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:
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|
"cr0",
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"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
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|
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
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"vs48","vs49","vs50","vs51","vs52","vs53","vs54","vs55"
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);
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return dot;
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}
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|
@ -0,0 +1,130 @@
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|
/***************************************************************************
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||||||
|
Copyright (c) 2013-2016, The OpenBLAS Project
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||||||
|
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.
|
||||||
|
*****************************************************************************/
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||||||
|
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#include "common.h"
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#if defined(__VEC__) || defined(__ALTIVEC__)
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#include "ddot_microk_power10.c"
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#endif
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#ifndef HAVE_KERNEL_8
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static FLOAT ddot_kernel_8 (BLASLONG n, FLOAT *x, FLOAT *y)
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{
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BLASLONG register i = 0;
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FLOAT dot = 0.0;
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while(i < n)
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{
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dot += y[i] * x[i]
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+ y[i+1] * x[i+1]
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+ y[i+2] * x[i+2]
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+ y[i+3] * x[i+3]
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+ y[i+4] * x[i+4]
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+ y[i+5] * x[i+5]
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+ y[i+6] * x[i+6]
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+ y[i+7] * x[i+7] ;
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i+=8 ;
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}
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return dot;
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}
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|
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#endif
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|
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FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
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{
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BLASLONG i=0;
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|
BLASLONG ix=0,iy=0;
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|
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FLOAT dot = 0.0 ;
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|
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|
if ( n <= 0 ) return(dot);
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|
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||||||
|
if ( (inc_x == 1) && (inc_y == 1) )
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|
{
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|
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BLASLONG n1 = n & -16;
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|
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|
if ( n1 )
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dot = ddot_kernel_8(n1, x, y);
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|
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|
i = n1;
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|
while(i < n)
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|
{
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|
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|
dot += y[i] * x[i] ;
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|
i++ ;
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|
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||||||
|
}
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|
return(dot);
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||||||
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||||||
|
|
||||||
|
}
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||||||
|
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||||||
|
FLOAT temp1 = 0.0;
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|
FLOAT temp2 = 0.0;
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|
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||||||
|
BLASLONG n1 = n & -4;
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|
|
||||||
|
while(i < n1)
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||||||
|
{
|
||||||
|
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||||||
|
FLOAT m1 = y[iy] * x[ix] ;
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|
FLOAT m2 = y[iy+inc_y] * x[ix+inc_x] ;
|
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|
|
||||||
|
FLOAT m3 = y[iy+2*inc_y] * x[ix+2*inc_x] ;
|
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|
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);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -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;
|
||||||
|
}
|
||||||
|
|
@ -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);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue