added optimized zaxpy bulldozer kernel
This commit is contained in:
wernsaar
parent
ee74445155
commit
3885eebdb8
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@ -1,5 +1,6 @@
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DAXPYKERNEL = daxpy.c
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CAXPYKERNEL = caxpy.c
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ZAXPYKERNEL = zaxpy.c
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SDOTKERNEL = sdot.c
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DDOTKERNEL = ddot.c
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@ -0,0 +1,131 @@
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/***************************************************************************
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Copyright (c) 2014, 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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#include "common.h"
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#if defined(BULLDOZER)
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#include "zaxpy_microk_bulldozer-2.c"
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#endif
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#ifndef HAVE_KERNEL_4
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static void zaxpy_kernel_4(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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BLASLONG register ix = 0;
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FLOAT da_r = alpha[0];
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FLOAT da_i = alpha[1];
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while(i < n)
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{
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#if !defined(CONJ)
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y[ix] += ( da_r * x[ix] - da_i * x[ix+1] ) ;
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y[ix+1] += ( da_r * x[ix+1] + da_i * x[ix] ) ;
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y[ix+2] += ( da_r * x[ix+2] - da_i * x[ix+3] ) ;
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y[ix+3] += ( da_r * x[ix+3] + da_i * x[ix+2] ) ;
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#else
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y[ix] += ( da_r * x[ix] + da_i * x[ix+1] ) ;
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y[ix+1] -= ( da_r * x[ix+1] - da_i * x[ix] ) ;
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y[ix+2] += ( da_r * x[ix+2] + da_i * x[ix+3] ) ;
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y[ix+3] -= ( da_r * x[ix+3] - da_i * x[ix+2] ) ;
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#endif
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ix+=4 ;
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i+=2 ;
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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_r, FLOAT da_i, 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;
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BLASLONG ix=0,iy=0;
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FLOAT da[2];
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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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int n1 = n & -4;
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if ( n1 )
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{
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da[0] = da_r;
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da[1] = da_i;
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zaxpy_kernel_4(n1, x, y , &da );
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ix = 2 * n1;
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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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#if !defined(CONJ)
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y[ix] += ( da_r * x[ix] - da_i * x[ix+1] ) ;
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y[ix+1] += ( da_r * x[ix+1] + da_i * x[ix] ) ;
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#else
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y[ix] += ( da_r * x[ix] + da_i * x[ix+1] ) ;
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y[ix+1] -= ( da_r * x[ix+1] - da_i * x[ix] ) ;
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#endif
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i++ ;
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ix += 2;
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}
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return(0);
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}
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inc_x *=2;
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inc_y *=2;
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while(i < n)
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{
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#if !defined(CONJ)
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y[iy] += ( da_r * x[ix] - da_i * x[ix+1] ) ;
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y[iy+1] += ( da_r * x[ix+1] + da_i * x[ix] ) ;
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#else
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y[iy] += ( da_r * x[ix] + da_i * x[ix+1] ) ;
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y[iy+1] -= ( da_r * x[ix+1] - da_i * x[ix] ) ;
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#endif
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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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return(0);
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}
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@ -0,0 +1,135 @@
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/***************************************************************************
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Copyright (c) 2014, 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_4 1
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static void zaxpy_kernel_4( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *alpha) __attribute__ ((noinline));
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static void zaxpy_kernel_4( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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__asm__ __volatile__
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(
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"vmovddup (%4), %%xmm0 \n\t" // real part of alpha
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"vmovddup 8(%4), %%xmm1 \n\t" // imag part of alpha
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"prefetcht0 768(%2,%0,8) \n\t"
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"vmovups (%2,%0,8), %%xmm5 \n\t" // 1 complex values from x
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"vmovups 16(%2,%0,8), %%xmm7 \n\t" // 1 complex values from x
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"vmovups 32(%2,%0,8), %%xmm9 \n\t" // 1 complex values from x
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"vmovups 48(%2,%0,8), %%xmm11 \n\t" // 1 complex values from x
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"prefetcht0 768(%3,%0,8) \n\t"
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#if !defined(CONJ)
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"vfmaddpd (%3,%0,8), %%xmm0 , %%xmm5, %%xmm12 \n\t"
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"vpermilpd $0x1 , %%xmm5 , %%xmm4 \n\t" // exchange real and imag part
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"vmulpd %%xmm1, %%xmm4 , %%xmm4 \n\t"
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"vfmaddpd 16(%3,%0,8), %%xmm0 , %%xmm7, %%xmm13 \n\t"
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"vpermilpd $0x1 , %%xmm7 , %%xmm6 \n\t" // exchange real and imag part
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"vmulpd %%xmm1, %%xmm6 , %%xmm6 \n\t"
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"vfmaddpd 32(%3,%0,8), %%xmm0 , %%xmm9, %%xmm14 \n\t"
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"vpermilpd $0x1 , %%xmm9 , %%xmm8 \n\t" // exchange real and imag part
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"vmulpd %%xmm1, %%xmm8 , %%xmm8 \n\t"
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"vfmaddpd 48(%3,%0,8), %%xmm0 , %%xmm11,%%xmm15 \n\t"
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"vpermilpd $0x1 , %%xmm11, %%xmm10 \n\t" // exchange real and imag part
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"vmulpd %%xmm1, %%xmm10, %%xmm10 \n\t"
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"vaddsubpd %%xmm4, %%xmm12, %%xmm12 \n\t"
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"vaddsubpd %%xmm6, %%xmm13, %%xmm13 \n\t"
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"vaddsubpd %%xmm8, %%xmm14, %%xmm14 \n\t"
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"vaddsubpd %%xmm10,%%xmm15, %%xmm15 \n\t"
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#else
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"vmulpd %%xmm0, %%xmm5, %%xmm4 \n\t" // a_r*x_r, a_r*x_i
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"vmulpd %%xmm1, %%xmm5, %%xmm5 \n\t" // a_i*x_r, a_i*x_i
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"vmulpd %%xmm0, %%xmm7, %%xmm6 \n\t" // a_r*x_r, a_r*x_i
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"vmulpd %%xmm1, %%xmm7, %%xmm7 \n\t" // a_i*x_r, a_i*x_i
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"vmulpd %%xmm0, %%xmm9, %%xmm8 \n\t" // a_r*x_r, a_r*x_i
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"vmulpd %%xmm1, %%xmm9, %%xmm9 \n\t" // a_i*x_r, a_i*x_i
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"vmulpd %%xmm0, %%xmm11, %%xmm10 \n\t" // a_r*x_r, a_r*x_i
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"vmulpd %%xmm1, %%xmm11, %%xmm11 \n\t" // a_i*x_r, a_i*x_i
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"vpermilpd $0x1 , %%xmm4 , %%xmm4 \n\t" // exchange real and imag part
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"vaddsubpd %%xmm4 ,%%xmm5 , %%xmm4 \n\t"
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"vpermilpd $0x1 , %%xmm4 , %%xmm4 \n\t" // exchange real and imag part
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"vpermilpd $0x1 , %%xmm6 , %%xmm6 \n\t" // exchange real and imag part
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"vaddsubpd %%xmm6 ,%%xmm7 , %%xmm6 \n\t"
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"vpermilpd $0x1 , %%xmm6 , %%xmm6 \n\t" // exchange real and imag part
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"vpermilpd $0x1 , %%xmm8 , %%xmm8 \n\t" // exchange real and imag part
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"vaddsubpd %%xmm8 ,%%xmm9 , %%xmm8 \n\t"
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"vpermilpd $0x1 , %%xmm8 , %%xmm8 \n\t" // exchange real and imag part
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"vpermilpd $0x1 , %%xmm10, %%xmm10 \n\t" // exchange real and imag part
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"vaddsubpd %%xmm10,%%xmm11, %%xmm10 \n\t"
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"vpermilpd $0x1 , %%xmm10, %%xmm10 \n\t" // exchange real and imag part
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"vaddpd (%3,%0,8) ,%%xmm4 , %%xmm12 \n\t"
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"vaddpd 16(%3,%0,8) ,%%xmm6 , %%xmm13 \n\t"
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"vaddpd 32(%3,%0,8) ,%%xmm8 , %%xmm14 \n\t"
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"vaddpd 48(%3,%0,8) ,%%xmm10, %%xmm15 \n\t"
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#endif
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"vmovups %%xmm12, (%3,%0,8) \n\t"
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"vmovups %%xmm13, 16(%3,%0,8) \n\t"
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"vmovups %%xmm14, 32(%3,%0,8) \n\t"
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"vmovups %%xmm15, 48(%3,%0,8) \n\t"
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"addq $8 , %0 \n\t"
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"subq $4 , %1 \n\t"
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"jnz .L01LOOP%= \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" (x), // 2
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"r" (y), // 3
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"r" (alpha) // 4
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: "cc",
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"%xmm0", "%xmm1",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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}
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