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Merge pull request #2866 from RajalakshmiSR/p10_dcopy
Optimize dcopy/zcopy for POWER10
2 parents ba31c8f + 2df4235 commit 0d98ce2

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‎kernel/power/KERNEL.POWER10

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -151,9 +151,9 @@ endif
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ZAXPYKERNEL = zaxpy_power10.c
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#
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SCOPYKERNEL = scopy.c
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DCOPYKERNEL = dcopy.c
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DCOPYKERNEL = dcopy_power10.c
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CCOPYKERNEL = ccopy.c
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ZCOPYKERNEL = zcopy.c
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ZCOPYKERNEL = zcopy_power10.c
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#
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SDOTKERNEL = sdot.c
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DDOTKERNEL = ddot.c

‎kernel/power/dcopy_microk_power10.c

Lines changed: 134 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,134 @@
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/***************************************************************************
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Copyright (c) 2020, 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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#define HAVE_KERNEL_64 1
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static void dcopy_kernel_64 (long n, double *x, double *y)
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{
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__asm__
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(
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"lxvp 32, 0(%2) \n\t"
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"lxvp 34, 32(%2) \n\t"
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"lxvp 36, 64(%2) \n\t"
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"lxvp 38, 96(%2) \n\t"
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"lxvp 40, 128(%2) \n\t"
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"lxvp 42, 160(%2) \n\t"
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"lxvp 44, 192(%2) \n\t"
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"lxvp 46, 224(%2) \n\t"
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"lxvp 48, 256(%2) \n\t"
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"lxvp 50, 288(%2) \n\t"
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"lxvp 52, 320(%2) \n\t"
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"lxvp 54, 352(%2) \n\t"
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"lxvp 56, 384(%2) \n\t"
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"lxvp 58, 416(%2) \n\t"
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"lxvp 60, 448(%2) \n\t"
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"lxvp 62, 480(%2) \n\t"
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"addi %2, %2, 512 \n\t"
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"addic. %1, %1, -64 \n\t"
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"ble two%= \n\t"
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".align 5 \n"
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"one%=: \n\t"
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"stxvp 32, 0(%3) \n\t"
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"lxvp 32, 0(%2) \n\t"
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"stxvp 34, 32(%3) \n\t"
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"lxvp 34, 32(%2) \n\t"
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"stxvp 36, 64(%3) \n\t"
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"lxvp 36, 64(%2) \n\t"
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"stxvp 38, 96(%3) \n\t"
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"lxvp 38, 96(%2) \n\t"
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"stxvp 40, 128(%3) \n\t"
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"lxvp 40, 128(%2) \n\t"
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"stxvp 42, 160(%3) \n\t"
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"lxvp 42, 160(%2) \n\t"
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"stxvp 44, 192(%3) \n\t"
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"lxvp 44, 192(%2) \n\t"
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"stxvp 46, 224(%3) \n\t"
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"lxvp 46, 224(%2) \n\t"
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"stxvp 48, 256(%3) \n\t"
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"lxvp 48, 256(%2) \n\t"
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"stxvp 50, 288(%3) \n\t"
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"lxvp 50, 288(%2) \n\t"
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"stxvp 52, 320(%3) \n\t"
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"lxvp 52, 320(%2) \n\t"
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"stxvp 54, 352(%3) \n\t"
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"lxvp 54, 352(%2) \n\t"
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"stxvp 56, 384(%3) \n\t"
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"lxvp 56, 384(%2) \n\t"
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"stxvp 58, 416(%3) \n\t"
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"lxvp 58, 416(%2) \n\t"
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"stxvp 60, 448(%3) \n\t"
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"lxvp 60, 448(%2) \n\t"
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"stxvp 62, 480(%3) \n\t"
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"lxvp 62, 480(%2) \n\t"
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"addi %3, %3, 512 \n\t"
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"addi %2, %2, 512 \n\t"
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"addic. %1, %1, -64 \n\t"
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"bgt one%= \n"
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"two%=: \n\t"
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"stxvp 32, 0(%3) \n\t"
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"stxvp 34, 32(%3) \n\t"
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"stxvp 36, 64(%3) \n\t"
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"stxvp 38, 96(%3) \n\t"
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"stxvp 40, 128(%3) \n\t"
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"stxvp 42, 160(%3) \n\t"
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"stxvp 44, 192(%3) \n\t"
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"stxvp 46, 224(%3) \n\t"
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"stxvp 48, 256(%3) \n\t"
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"stxvp 50, 288(%3) \n\t"
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"stxvp 52, 320(%3) \n\t"
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"stxvp 54, 352(%3) \n\t"
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"stxvp 56, 384(%3) \n\t"
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"stxvp 58, 416(%3) \n\t"
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"stxvp 60, 448(%3) \n\t"
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"stxvp 62, 480(%3) \n\t"
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"#n=%1 x=%4=%2 y=%0=%3"
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:
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"=m" (*y),
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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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:
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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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"vs56","vs57","vs58","vs59","vs60","vs61","vs62","vs63"
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);
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}

‎kernel/power/dcopy_power10.c

Lines changed: 123 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
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/***************************************************************************
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Copyright (c) 2020, The OpenBLAS Project
3+
All rights reserved.
4+
Redistribution and use in source and binary forms, with or without
5+
modification, are permitted provided that the following conditions are
6+
met:
7+
1. Redistributions of source code must retain the above copyright
8+
notice, this list of conditions and the following disclaimer.
9+
2. Redistributions in binary form must reproduce the above copyright
10+
notice, this list of conditions and the following disclaimer in
11+
the documentation and/or other materials provided with the
12+
distribution.
13+
3. Neither the name of the OpenBLAS project nor the names of
14+
its contributors may be used to endorse or promote products
15+
derived from this software without specific prior written permission.
16+
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17+
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18+
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19+
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
20+
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21+
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22+
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23+
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24+
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
25+
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26+
*****************************************************************************/
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#include "common.h"
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#if defined(__VEC__) || defined(__ALTIVEC__)
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#include "dcopy_microk_power10.c"
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#endif
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#ifndef HAVE_KERNEL_64
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static void dcopy_kernel_64(BLASLONG n, FLOAT *x, FLOAT *y)
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{
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BLASLONG i=0;
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FLOAT f0, f1, f2, f3, f4, f5, f6, f7;
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FLOAT *x1=x;
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FLOAT *y1=y;
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while ( i<n )
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{
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f0 = x1[0];
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f1 = x1[1];
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f2 = x1[2];
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f3 = x1[3];
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f4 = x1[4];
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f5 = x1[5];
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f6 = x1[6];
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f7 = x1[7];
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y1[0] = f0;
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y1[1] = f1;
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y1[2] = f2;
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y1[3] = f3;
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y1[4] = f4;
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y1[5] = f5;
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y1[6] = f6;
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y1[7] = f7;
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x1 += 8;
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y1 += 8;
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i+=8;
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}
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return;
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}
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#endif
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int 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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if ( n <= 0 ) return(0);
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if ( (inc_x == 1) && (inc_y == 1 ))
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{
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BLASLONG n1 = n & -64;
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if ( n1 > 0 )
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{
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dcopy_kernel_64(n1, x, y);
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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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y[i] = 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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while(i < n)
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{
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y[iy] = x[ix] ;
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ix += inc_x ;
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iy += inc_y ;
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i++ ;
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}
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}
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return(0);
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}
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