added optimized cgemv_t c-kernel
This commit is contained in:
wernsaar
parent
6093ee5363
commit
b06550519e
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@ -0,0 +1,269 @@
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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.
|
||||||
|
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.
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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
|
||||||
|
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
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||||||
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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
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||||||
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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||||||
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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||||||
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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||||||
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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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/*
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#if defined(BULLDOZER)
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#include "zgemv_t_microk_bulldozer-2.c"
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#elif defined(HASWELL)
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#include "zgemv_t_microk_haswell-2.c"
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#endif
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*/
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#define NBMAX 2048
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#ifndef HAVE_KERNEL_16x4
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static void zgemv_kernel_16x4(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
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{
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BLASLONG i;
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FLOAT *a0,*a1,*a2,*a3;
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a0 = ap[0];
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a1 = ap[1];
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a2 = ap[2];
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a3 = ap[3];
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FLOAT temp_r0 = 0.0;
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FLOAT temp_r1 = 0.0;
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FLOAT temp_r2 = 0.0;
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FLOAT temp_r3 = 0.0;
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FLOAT temp_i0 = 0.0;
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FLOAT temp_i1 = 0.0;
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FLOAT temp_i2 = 0.0;
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FLOAT temp_i3 = 0.0;
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for ( i=0; i< 2*n; i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
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temp_r1 += a1[i]*x[i] - a1[i+1]*x[i+1];
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temp_i1 += a1[i]*x[i+1] + a1[i+1]*x[i];
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temp_r2 += a2[i]*x[i] - a2[i+1]*x[i+1];
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temp_i2 += a2[i]*x[i+1] + a2[i+1]*x[i];
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temp_r3 += a3[i]*x[i] - a3[i+1]*x[i+1];
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temp_i3 += a3[i]*x[i+1] + a3[i+1]*x[i];
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#else
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temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
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temp_r1 += a1[i]*x[i] + a1[i+1]*x[i+1];
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temp_i1 += a1[i]*x[i+1] - a1[i+1]*x[i];
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temp_r2 += a2[i]*x[i] + a2[i+1]*x[i+1];
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temp_i2 += a2[i]*x[i+1] - a2[i+1]*x[i];
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temp_r3 += a3[i]*x[i] + a3[i+1]*x[i+1];
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temp_i3 += a3[i]*x[i+1] - a3[i+1]*x[i];
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#endif
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}
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y[0] = temp_r0;
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y[1] = temp_i0;
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y[2] = temp_r1;
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y[3] = temp_i1;
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y[4] = temp_r2;
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y[5] = temp_i2;
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y[6] = temp_r3;
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y[7] = temp_i3;
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}
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#endif
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static void zgemv_kernel_16x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y)
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{
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BLASLONG i;
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FLOAT *a0;
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a0 = ap;
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FLOAT temp_r = 0.0;
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FLOAT temp_i = 0.0;
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for ( i=0; i< 2*n; i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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temp_r += a0[i]*x[i] - a0[i+1]*x[i+1];
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temp_i += a0[i]*x[i+1] + a0[i+1]*x[i];
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#else
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temp_r += a0[i]*x[i] + a0[i+1]*x[i+1];
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temp_i += a0[i]*x[i+1] - a0[i+1]*x[i];
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#endif
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}
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*y = temp_r;
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*(y+1) = temp_i;
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}
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static void copy_x(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_src)
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{
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BLASLONG i;
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for ( i=0; i<n; i++ )
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{
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*dest = *src;
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*(dest+1) = *(src+1);
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dest+=2;
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src += inc_src;
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}
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}
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int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
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{
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BLASLONG i;
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BLASLONG j;
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FLOAT *a_ptr;
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FLOAT *x_ptr;
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FLOAT *y_ptr;
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FLOAT *ap[8];
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BLASLONG n1;
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BLASLONG m1;
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BLASLONG m2;
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BLASLONG n2;
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FLOAT ybuffer[8],*xbuffer;
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inc_x *= 2;
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inc_y *= 2;
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lda *= 2;
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xbuffer = buffer;
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n1 = n / 4 ;
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n2 = n % 4 ;
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m1 = m - ( m % 16 );
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m2 = (m % NBMAX) - (m % 16) ;
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BLASLONG NB = NBMAX;
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while ( NB == NBMAX )
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{
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m1 -= NB;
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if ( m1 < 0)
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{
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if ( m2 == 0 ) break;
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NB = m2;
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}
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y_ptr = y;
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a_ptr = a;
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x_ptr = x;
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copy_x(NB,x_ptr,xbuffer,inc_x);
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for( i = 0; i < n1 ; i++)
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{
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ap[0] = a_ptr;
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ap[1] = a_ptr + lda;
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ap[2] = ap[1] + lda;
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ap[3] = ap[2] + lda;
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zgemv_kernel_16x4(NB,ap,xbuffer,ybuffer);
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a_ptr += 4 * lda;
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#if !defined(XCONJ)
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y_ptr[0] += alpha_r * ybuffer[0] - alpha_i * ybuffer[1];
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y_ptr[1] += alpha_r * ybuffer[1] + alpha_i * ybuffer[0];
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y_ptr += inc_y;
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y_ptr[0] += alpha_r * ybuffer[2] - alpha_i * ybuffer[3];
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y_ptr[1] += alpha_r * ybuffer[3] + alpha_i * ybuffer[2];
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y_ptr += inc_y;
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y_ptr[0] += alpha_r * ybuffer[4] - alpha_i * ybuffer[5];
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y_ptr[1] += alpha_r * ybuffer[5] + alpha_i * ybuffer[4];
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y_ptr += inc_y;
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y_ptr[0] += alpha_r * ybuffer[6] - alpha_i * ybuffer[7];
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y_ptr[1] += alpha_r * ybuffer[7] + alpha_i * ybuffer[6];
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y_ptr += inc_y;
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#else
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y_ptr[0] += alpha_r * ybuffer[0] + alpha_i * ybuffer[1];
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y_ptr[1] -= alpha_r * ybuffer[1] - alpha_i * ybuffer[0];
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y_ptr += inc_y;
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y_ptr[0] += alpha_r * ybuffer[2] + alpha_i * ybuffer[3];
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y_ptr[1] -= alpha_r * ybuffer[3] - alpha_i * ybuffer[2];
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y_ptr += inc_y;
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y_ptr[0] += alpha_r * ybuffer[4] + alpha_i * ybuffer[5];
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y_ptr[1] -= alpha_r * ybuffer[5] - alpha_i * ybuffer[4];
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y_ptr += inc_y;
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y_ptr[0] += alpha_r * ybuffer[6] + alpha_i * ybuffer[7];
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y_ptr[1] -= alpha_r * ybuffer[7] - alpha_i * ybuffer[6];
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y_ptr += inc_y;
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#endif
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}
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for( i = 0; i < n2 ; i++)
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{
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zgemv_kernel_16x1(NB,a_ptr,xbuffer,ybuffer);
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a_ptr += 1 * lda;
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#if !defined(XCONJ)
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y_ptr[0] += alpha_r * ybuffer[0] - alpha_i * ybuffer[1];
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y_ptr[1] += alpha_r * ybuffer[1] + alpha_i * ybuffer[0];
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y_ptr += inc_y;
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#else
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y_ptr[0] += alpha_r * ybuffer[0] + alpha_i * ybuffer[1];
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y_ptr[1] -= alpha_r * ybuffer[1] - alpha_i * ybuffer[0];
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y_ptr += inc_y;
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#endif
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}
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a += 2* NB;
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x += NB * inc_x;
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}
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BLASLONG m3 = m % 16;
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if ( m3 == 0 ) return(0);
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x_ptr = x;
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copy_x(m3,x_ptr,xbuffer,inc_x);
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j=0;
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a_ptr = a;
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y_ptr = y;
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while ( j < n)
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{
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FLOAT temp_r = 0.0;
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FLOAT temp_i = 0.0;
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for( i = 0; i < m3*2; i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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temp_r += a_ptr[i] * xbuffer[i] - a_ptr[i+1] * xbuffer[i+1];
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temp_i += a_ptr[i] * xbuffer[i+1] + a_ptr[i+1] * xbuffer[i];
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#else
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temp_r += a_ptr[i] * xbuffer[i] + a_ptr[i+1] * xbuffer[i+1];
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temp_i += a_ptr[i] * xbuffer[i+1] - a_ptr[i+1] * xbuffer[i];
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#endif
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}
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a_ptr += lda;
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#if !defined(XCONJ)
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y_ptr[0] += alpha_r * temp_r - alpha_i * temp_i;
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y_ptr[1] += alpha_r * temp_i + alpha_i * temp_r;
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#else
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y_ptr[0] += alpha_r * temp_r + alpha_i * temp_i;
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y_ptr[1] -= alpha_r * temp_i - alpha_i * temp_r;
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#endif
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y_ptr += inc_y;
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j++;
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}
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return(0);
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}
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@ -0,0 +1,161 @@
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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
|
||||||
|
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_16x4 1
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static void zgemv_kernel_16x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y) __attribute__ ((noinline));
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static void zgemv_kernel_16x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
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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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"vzeroupper \n\t"
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"vbroadcastsd (%2), %%ymm0 \n\t" // real part x0
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"vbroadcastsd 8(%2), %%ymm1 \n\t" // imag part x0
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"vbroadcastsd 16(%2), %%ymm2 \n\t" // real part x1
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"vbroadcastsd 24(%2), %%ymm3 \n\t" // imag part x1
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"vbroadcastsd 32(%2), %%ymm4 \n\t" // real part x2
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"vbroadcastsd 40(%2), %%ymm5 \n\t" // imag part x2
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"vbroadcastsd 48(%2), %%ymm6 \n\t" // real part x3
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"vbroadcastsd 56(%2), %%ymm7 \n\t" // imag part x3
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"vxorpd %%ymm12, %%ymm12, %%ymm12 \n\t"
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"vxorpd %%ymm13, %%ymm13, %%ymm13 \n\t"
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"vxorpd %%ymm14, %%ymm14, %%ymm14 \n\t"
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"vxorpd %%ymm15, %%ymm15, %%ymm15 \n\t"
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"vmovups (%4,%0,8), %%ymm8 \n\t" // 2 complex values form a0
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"vmovups 32(%4,%0,8), %%ymm9 \n\t" // 2 complex values form a0
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"vmulpd %%ymm8 , %%ymm0 , %%ymm10 \n\t"
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"vaddpd %%ymm12, %%ymm10, %%ymm12 \n\t"
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"vmulpd %%ymm8 , %%ymm1 , %%ymm11 \n\t"
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"vaddpd %%ymm13, %%ymm11, %%ymm13 \n\t"
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"vmulpd %%ymm9 , %%ymm0 , %%ymm10 \n\t"
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"vaddpd %%ymm14, %%ymm10, %%ymm14 \n\t"
|
||||||
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"vmulpd %%ymm9 , %%ymm1 , %%ymm11 \n\t"
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||||||
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"vaddpd %%ymm15, %%ymm11, %%ymm15 \n\t"
|
||||||
|
|
||||||
|
"vmovups (%5,%0,8), %%ymm8 \n\t" // 2 complex values form a0
|
||||||
|
"vmovups 32(%5,%0,8), %%ymm9 \n\t" // 2 complex values form a0
|
||||||
|
|
||||||
|
"vmulpd %%ymm8 , %%ymm2 , %%ymm10 \n\t"
|
||||||
|
"vaddpd %%ymm12, %%ymm10, %%ymm12 \n\t"
|
||||||
|
"vmulpd %%ymm8 , %%ymm3 , %%ymm11 \n\t"
|
||||||
|
"vaddpd %%ymm13, %%ymm11, %%ymm13 \n\t"
|
||||||
|
"vmulpd %%ymm9 , %%ymm2 , %%ymm10 \n\t"
|
||||||
|
"vaddpd %%ymm14, %%ymm10, %%ymm14 \n\t"
|
||||||
|
"vmulpd %%ymm9 , %%ymm3 , %%ymm11 \n\t"
|
||||||
|
"vaddpd %%ymm15, %%ymm11, %%ymm15 \n\t"
|
||||||
|
|
||||||
|
"vmovups (%6,%0,8), %%ymm8 \n\t" // 2 complex values form a0
|
||||||
|
"vmovups 32(%6,%0,8), %%ymm9 \n\t" // 2 complex values form a0
|
||||||
|
|
||||||
|
"vmulpd %%ymm8 , %%ymm4 , %%ymm10 \n\t"
|
||||||
|
"vaddpd %%ymm12, %%ymm10, %%ymm12 \n\t"
|
||||||
|
"vmulpd %%ymm8 , %%ymm5 , %%ymm11 \n\t"
|
||||||
|
"vaddpd %%ymm13, %%ymm11, %%ymm13 \n\t"
|
||||||
|
"vmulpd %%ymm9 , %%ymm4 , %%ymm10 \n\t"
|
||||||
|
"vaddpd %%ymm14, %%ymm10, %%ymm14 \n\t"
|
||||||
|
"vmulpd %%ymm9 , %%ymm5 , %%ymm11 \n\t"
|
||||||
|
"vaddpd %%ymm15, %%ymm11, %%ymm15 \n\t"
|
||||||
|
|
||||||
|
"vmovups (%7,%0,8), %%ymm8 \n\t" // 2 complex values form a0
|
||||||
|
"vmovups 32(%7,%0,8), %%ymm9 \n\t" // 2 complex values form a0
|
||||||
|
|
||||||
|
"vmulpd %%ymm8 , %%ymm6 , %%ymm10 \n\t"
|
||||||
|
"vaddpd %%ymm12, %%ymm10, %%ymm12 \n\t"
|
||||||
|
"vmulpd %%ymm8 , %%ymm7 , %%ymm11 \n\t"
|
||||||
|
"vaddpd %%ymm13, %%ymm11, %%ymm13 \n\t"
|
||||||
|
"vmulpd %%ymm9 , %%ymm6 , %%ymm10 \n\t"
|
||||||
|
"vaddpd %%ymm14, %%ymm10, %%ymm14 \n\t"
|
||||||
|
"vmulpd %%ymm9 , %%ymm7 , %%ymm11 \n\t"
|
||||||
|
"vaddpd %%ymm15, %%ymm11, %%ymm15 \n\t"
|
||||||
|
|
||||||
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
||||||
|
"vpermilpd $0x5 , %%ymm13, %%ymm13 \n\t"
|
||||||
|
"vpermilpd $0x5 , %%ymm15, %%ymm15 \n\t"
|
||||||
|
"vaddsubpd %%ymm13, %%ymm12, %%ymm8 \n\t"
|
||||||
|
"vaddsubpd %%ymm15, %%ymm14, %%ymm9 \n\t"
|
||||||
|
#else
|
||||||
|
"vpermilpd $0x5 , %%ymm12, %%ymm12 \n\t"
|
||||||
|
"vpermilpd $0x5 , %%ymm14, %%ymm14 \n\t"
|
||||||
|
"vaddsubpd %%ymm12, %%ymm13, %%ymm8 \n\t"
|
||||||
|
"vaddsubpd %%ymm14, %%ymm15, %%ymm9 \n\t"
|
||||||
|
"vpermilpd $0x5 , %%ymm8 , %%ymm8 \n\t"
|
||||||
|
"vpermilpd $0x5 , %%ymm9 , %%ymm9 \n\t"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
"prefetcht0 192(%3,%0,8) \n\t"
|
||||||
|
"vmovups (%3,%0,8), %%ymm12 \n\t"
|
||||||
|
"vmovups 32(%3,%0,8), %%ymm13 \n\t"
|
||||||
|
|
||||||
|
#if !defined(XCONJ)
|
||||||
|
"vaddpd %%ymm8, %%ymm12, %%ymm12 \n\t"
|
||||||
|
"vaddpd %%ymm9, %%ymm13, %%ymm13 \n\t"
|
||||||
|
#else
|
||||||
|
"vaddsubpd %%ymm12, %%ymm8, %%ymm12 \n\t"
|
||||||
|
"vaddsubpd %%ymm13, %%ymm9, %%ymm13 \n\t"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
"vmovups %%ymm12, (%3,%0,8) \n\t" // 2 complex values to y
|
||||||
|
"vmovups %%ymm13, 32(%3,%0,8) \n\t"
|
||||||
|
|
||||||
|
"addq $8 , %0 \n\t"
|
||||||
|
"subq $4 , %1 \n\t"
|
||||||
|
"jnz .L01LOOP%= \n\t"
|
||||||
|
"vzeroupper \n\t"
|
||||||
|
|
||||||
|
:
|
||||||
|
:
|
||||||
|
"r" (i), // 0
|
||||||
|
"r" (n), // 1
|
||||||
|
"r" (x), // 2
|
||||||
|
"r" (y), // 3
|
||||||
|
"r" (ap[0]), // 4
|
||||||
|
"r" (ap[1]), // 5
|
||||||
|
"r" (ap[2]), // 6
|
||||||
|
"r" (ap[3]) // 7
|
||||||
|
: "cc",
|
||||||
|
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
|
||||||
|
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
|
||||||
|
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||||
|
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||||
|
"memory"
|
||||||
|
);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue