Optimize zscal function for POWER10
This patch makes use of new POWER10 vector pair instructions for loads and stores.
This commit is contained in:
Rajalakshmi Srinivasaraghavan
parent
ef0238ba2b
commit
09d47af2c0
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@ -45,7 +45,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#endif
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#elif defined(POWER10)
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#if defined(DOUBLE)
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#include "zscal_microk_power8.c"
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#include "zscal_microk_power10.c"
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#else
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#include "cscal_microk_power10.c"
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#endif
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@ -0,0 +1,195 @@
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/***************************************************************************
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Copyright (c) 2021, 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_8 1
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static void zscal_kernel_8 (long n, double *x, double alpha_r, double alpha_i)
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{
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__vector double t0;
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__vector double t1;
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__vector double t2;
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__vector double t3;
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__vector double t4;
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__vector double t5;
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__asm__
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(
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"dcbt 0, %2 \n\t"
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"xsnegdp 33, %x10 \n\t" // -alpha_i
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XXSPLTD_S(32,%x9,0) // alpha_r , alpha_r
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XXMRGHD_S(33,%x10, 33) // -alpha_i , alpha_i
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"lxvp 40, 0(%2) \n\t"
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"lxvp 42, 32(%2) \n\t"
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"lxvp 44, 64(%2) \n\t"
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"lxvp 46, 96(%2) \n\t"
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"addic. %1, %1, -8 \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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"xvmuldp 48, 40, 32 \n\t" // x0_r * alpha_r, x0_i * alpha_r
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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 34, 44, 32 \n\t"
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"xvmuldp 35, 45, 32 \n\t"
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"xvmuldp 36, 46, 32 \n\t"
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"xvmuldp 37, 47, 32 \n\t"
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XXSWAPD_S(38,40)
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XXSWAPD_S(39,41)
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XXSWAPD_S(%x3,42)
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XXSWAPD_S(%x4,43)
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XXSWAPD_S(%x5,44)
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XXSWAPD_S(%x6,45)
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XXSWAPD_S(%x7,46)
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XXSWAPD_S(%x8,47)
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"xvmuldp 38, 38, 33 \n\t" // x0_i * -alpha_i, x0_r * alpha_i
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"xvmuldp 39, 39, 33 \n\t"
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"xvmuldp %x3, %x3, 33 \n\t"
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"xvmuldp %x4, %x4, 33 \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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"xvmuldp %x5, %x5, 33 \n\t"
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"xvmuldp %x6, %x6, 33 \n\t"
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"xvmuldp %x7, %x7, 33 \n\t"
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"xvmuldp %x8, %x8, 33 \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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"xvadddp 48, 48, 38 \n\t"
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"xvadddp 49, 49, 39 \n\t"
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"xvadddp 50, 50, %x3 \n\t"
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"xvadddp 51, 51, %x4 \n\t"
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"stxv 49, 0(%2) \n\t"
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"stxv 48, 16(%2) \n\t"
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"stxv 51, 32(%2) \n\t"
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"stxv 50, 48(%2) \n\t"
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"xvadddp 34, 34, %x5 \n\t"
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"xvadddp 35, 35, %x6 \n\t"
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"xvadddp 36, 36, %x7 \n\t"
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"xvadddp 37, 37, %x8 \n\t"
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"stxv 35, 64(%2) \n\t"
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"stxv 34, 80(%2) \n\t"
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"stxv 37, 96(%2) \n\t"
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"stxv 36, 112(%2) \n\t"
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"addi %2, %2, 128 \n\t"
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"addic. %1, %1, -8 \n\t"
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"bgt one%= \n"
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"two%=: \n\t"
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"xvmuldp 48, 40, 32 \n\t" // x0_r * alpha_r, x0_i * alpha_r
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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 34, 44, 32 \n\t"
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"xvmuldp 35, 45, 32 \n\t"
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"xvmuldp 36, 46, 32 \n\t"
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"xvmuldp 37, 47, 32 \n\t"
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XXSWAPD_S(38,40)
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XXSWAPD_S(39,41)
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XXSWAPD_S(%x3,42)
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XXSWAPD_S(%x4,43)
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XXSWAPD_S(%x5,44)
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XXSWAPD_S(%x6,45)
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XXSWAPD_S(%x7,46)
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XXSWAPD_S(%x8,47)
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"xvmuldp 38, 38, 33 \n\t" // x0_i * -alpha_i, x0_r * alpha_i
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"xvmuldp 39, 39, 33 \n\t"
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"xvmuldp %x3, %x3, 33 \n\t"
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"xvmuldp %x4, %x4, 33 \n\t"
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"xvmuldp %x5, %x5, 33 \n\t"
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"xvmuldp %x6, %x6, 33 \n\t"
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"xvmuldp %x7, %x7, 33 \n\t"
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"xvmuldp %x8, %x8, 33 \n\t"
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"xvadddp 48, 48, 38 \n\t"
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"xvadddp 49, 49, 39 \n\t"
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"xvadddp 50, 50, %x3 \n\t"
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"xvadddp 51, 51, %x4 \n\t"
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"stxv 49, 0(%2) \n\t"
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"stxv 48, 16(%2) \n\t"
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"stxv 51, 32(%2) \n\t"
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"stxv 50, 48(%2) \n\t"
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"xvadddp 34, 34, %x5 \n\t"
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"xvadddp 35, 35, %x6 \n\t"
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"xvadddp 36, 36, %x7 \n\t"
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"xvadddp 37, 37, %x8 \n\t"
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"stxv 35, 64(%2) \n\t"
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"stxv 34, 80(%2) \n\t"
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"stxv 37, 96(%2) \n\t"
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"stxv 36, 112(%2) \n\t"
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"#n=%1 x=%0=%2 alpha=(%9,%10) \n"
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:
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"+m" (*x),
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"+r" (n), // 1
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"+b" (x), // 2
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"=wa" (t0), // 3
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"=wa" (t1), // 4
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"=wa" (t2), // 5
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"=wa" (t3), // 6
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"=wa" (t4), // 7
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"=wa" (t5) // 8
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:
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"d" (alpha_r), // 9
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"d" (alpha_i) // 10
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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"
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);
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}
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