added optimized dsymv_U kernel for bulldozer
This commit is contained in:
wernsaar
parent
101dd08173
commit
74c9465672
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@ -1,3 +1,5 @@
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DSYMV_U_KERNEL = dsymv_U.c
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SGEMVNKERNEL = sgemv_n.c
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SGEMVNKERNEL = sgemv_n.c
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SGEMVTKERNEL = sgemv_t.c
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SGEMVTKERNEL = sgemv_t.c
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@ -0,0 +1,208 @@
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/***************************************************************************
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Copyright (c) 2013, 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 "dsymv_U_microk_bulldozer-2.c"
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#endif
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#ifndef HAVE_KERNEL_8x2
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static void dsymv_kernel_8x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
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{
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FLOAT at0,at1,at2,at3;
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FLOAT tmp2[2] = { 0.0, 0.0 };
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FLOAT tp0;
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FLOAT tp1;
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BLASLONG i;
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tp0 = temp1[0];
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tp1 = temp1[1];
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for (i=0; i<n; i+=2)
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{
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at0 = a0[i];
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at1 = a1[i];
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at2 = a0[i+1];
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at3 = a1[i+1];
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yp[i] += tp0 * at0 + tp1 *at1;
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yp[i+1] += tp0 * at2 + tp1 *at3;
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tmp2[0] += at0 * xp[i] + at2 * xp[i+1];
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tmp2[1] += at1 * xp[i] + at3 * xp[i+1];
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}
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temp2[0] = tmp2[0];
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temp2[1] = tmp2[1];
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}
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#endif
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static void dsymv_kernel_8x1(BLASLONG n, FLOAT *a0, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
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{
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FLOAT at0,at1,at2,at3;
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FLOAT temp = 0.0;
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FLOAT t1 = *temp1;
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BLASLONG i;
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for (i=0; i<(n/4)*4; i+=4)
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{
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at0 = a0[i];
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at1 = a0[i+1];
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at2 = a0[i+2];
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at3 = a0[i+3];
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yp[i] += t1 * at0;
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temp += at0 * xp[i];
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yp[i+1] += t1 * at1;
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temp += at1 * xp[i+1];
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yp[i+2] += t1 * at2;
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temp += at2 * xp[i+2];
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yp[i+3] += t1 * at3;
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temp += at3 * xp[i+3];
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}
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*temp2 = temp;
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}
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int CNAME(BLASLONG m, BLASLONG offset, FLOAT alpha, 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 ix,iy;
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BLASLONG jx,jy;
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BLASLONG j;
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BLASLONG m2;
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FLOAT temp1;
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FLOAT temp2;
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FLOAT *xp, *yp;
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FLOAT *a0,*a1;
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FLOAT tmp1[2];
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FLOAT tmp2[2];
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#if 0
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if( m != offset )
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printf("Symv_U: m=%d offset=%d\n",m,offset);
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#endif
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BLASLONG m1 = m - offset;
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BLASLONG mrange = m -m1;
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if ( (inc_x!=1) || (inc_y!=1) || (mrange<16) )
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{
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jx = m1 * inc_x;
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jy = m1 * inc_y;
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for (j=m1; j<m; j++)
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{
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temp1 = alpha * x[jx];
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temp2 = 0.0;
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iy = 0;
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ix = 0;
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for (i=0; i<j; i++)
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{
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y[iy] += temp1 * a[j*lda+i];
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temp2 += a[j*lda+i] * x[ix];
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ix += inc_x;
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iy += inc_y;
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}
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y[jy] += temp1 * a[j*lda+j] + alpha * temp2;
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jx += inc_x;
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jy += inc_y;
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}
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return(0);
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}
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xp = x;
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yp = y;
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m2 = m - ( mrange % 2 );
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for (j=m1; j<m2; j+=2)
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{
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tmp1[0] = alpha * xp[j];
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tmp1[1] = alpha * xp[j+1];
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tmp2[0] = 0.0;
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tmp2[1] = 0.0;
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a0 = &a[j*lda];
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a1 = a0+lda;
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FLOAT at0,at1;
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BLASLONG j1 = (j/8)*8;
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if ( j1 )
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dsymv_kernel_8x2(j1, a0, a1, xp, yp, tmp1, tmp2);
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for (i=j1; i<j; i++)
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{
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at0 = a0[i];
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at1 = a1[i];
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yp[i] += tmp1[0] * at0 + tmp1[1] *at1;
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tmp2[0] += at0 * xp[i];
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tmp2[1] += at1 * xp[i];
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}
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at1 = a1[j];
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yp[j] += tmp1[1] * at1;
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tmp2[1] += at1 * xp[j];
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yp[j] += tmp1[0] * a0[j] + alpha * tmp2[0];
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yp[j+1] += tmp1[1] * a1[j+1] + alpha * tmp2[1];
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}
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for ( ; j<m; j++)
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{
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temp1 = alpha * xp[j];
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temp2 = 0.0;
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a0 = &a[j*lda];
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FLOAT at0;
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BLASLONG j1 = (j/8)*8;
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if ( j1 )
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dsymv_kernel_8x1(j1, a0, xp, yp, &temp1, &temp2);
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for (i=j1 ; i<j; i++)
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{
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at0 = a0[i];
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yp[i] += temp1 * at0;
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temp2 += at0 * xp[i];
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}
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yp[j] += temp1 * a0[j] + alpha * temp2;
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}
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return(0);
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}
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@ -0,0 +1,117 @@
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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_8x2 1
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static void dsymv_kernel_8x2( BLASLONG n, FLOAT *a1, FLOAT *a2, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) __attribute__ ((noinline));
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static void dsymv_kernel_8x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2)
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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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"vxorpd %%xmm0 , %%xmm0 , %%xmm0 \n\t" // temp2[0]
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"vxorpd %%xmm1 , %%xmm1 , %%xmm1 \n\t" // temp2[1]
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"vmovddup (%6), %%xmm2 \n\t" // temp1[0]
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"vmovddup 8(%6), %%xmm3 \n\t" // temp1[1]
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"xorq %0,%0 \n\t"
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"prefetcht0 192(%4,%0,8) \n\t"
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"vmovups (%4,%0,8), %%xmm4 \n\t" // 2 * a0
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"vmovups 16(%4,%0,8), %%xmm5 \n\t" // 2 * a0
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"prefetcht0 192(%2,%0,8) \n\t"
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"vmovups (%2,%0,8), %%xmm8 \n\t" // 2 * x
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"vmovups 16(%2,%0,8), %%xmm9 \n\t" // 2 * x
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"prefetcht0 192(%3,%0,8) \n\t"
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"vmovups 32(%4,%0,8), %%xmm6 \n\t" // 2 * a0
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"vmovups 48(%4,%0,8), %%xmm7 \n\t" // 2 * a0
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"vmovups 32(%2,%0,8), %%xmm10 \n\t" // 2 * x
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"vmovups 48(%2,%0,8), %%xmm11 \n\t" // 2 * x
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"prefetcht0 192(%5,%0,8) \n\t"
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"vfmaddpd (%3,%0,8), %%xmm2 , %%xmm4 , %%xmm12 \n\t" // y += temp1 * a0
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"vfmaddpd %%xmm0 , %%xmm8 , %%xmm4 , %%xmm0 \n\t" // temp2 += a0 * x
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"vfmaddpd 16(%3,%0,8), %%xmm2 , %%xmm5 , %%xmm13 \n\t" // y += temp1 * a0
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"vmovups (%5,%0,8), %%xmm4 \n\t" // 2 * a1
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"vfmaddpd %%xmm0 , %%xmm9 , %%xmm5 , %%xmm0 \n\t" // temp2 += a0 * x
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"vfmaddpd 32(%3,%0,8), %%xmm2 , %%xmm6 , %%xmm14 \n\t" // y += temp1 * a0
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"vmovups 16(%5,%0,8), %%xmm5 \n\t" // 2 * a1
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"vfmaddpd %%xmm0 , %%xmm10, %%xmm6 , %%xmm0 \n\t" // temp2 += a0 * x
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"vfmaddpd 48(%3,%0,8), %%xmm2 , %%xmm7 , %%xmm15 \n\t" // y += temp1 * a0
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"vmovups 32(%5,%0,8), %%xmm6 \n\t" // 2 * a1
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"vfmaddpd %%xmm0 , %%xmm11, %%xmm7 , %%xmm0 \n\t" // temp2 += a0 * x
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"vmovups 48(%5,%0,8), %%xmm7 \n\t" // 2 * a1
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"vfmaddpd %%xmm12, %%xmm3 , %%xmm4 , %%xmm12 \n\t" // y += temp1 * a1
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"vfmaddpd %%xmm13, %%xmm3 , %%xmm5 , %%xmm13 \n\t" // y += temp1 * a1
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"vmovups %%xmm12, (%3,%0,8) \n\t" // 2 * y
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"vfmaddpd %%xmm14, %%xmm3 , %%xmm6 , %%xmm14 \n\t" // y += temp1 * a1
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"vmovups %%xmm13, 16(%3,%0,8) \n\t" // 2 * y
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"vfmaddpd %%xmm15, %%xmm3 , %%xmm7 , %%xmm15 \n\t" // y += temp1 * a1
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"vmovups %%xmm14, 32(%3,%0,8) \n\t" // 2 * y
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"vfmaddpd %%xmm1 , %%xmm8 , %%xmm4 , %%xmm1 \n\t" // temp2 += a1 * x
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"vfmaddpd %%xmm1 , %%xmm9 , %%xmm5 , %%xmm1 \n\t" // temp2 += a1 * x
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"vmovups %%xmm15, 48(%3,%0,8) \n\t" // 2 * y
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"vfmaddpd %%xmm1 , %%xmm10, %%xmm6 , %%xmm1 \n\t" // temp2 += a1 * x
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"vfmaddpd %%xmm1 , %%xmm11, %%xmm7 , %%xmm1 \n\t" // temp2 += a1 * x
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"addq $8, %0 \n\t"
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"subq $8, %1 \n\t"
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"jnz .L01LOOP%= \n\t"
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"vhaddpd %%xmm0, %%xmm0, %%xmm0 \n\t"
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"vhaddpd %%xmm1, %%xmm1, %%xmm1 \n\t"
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"vmovsd %%xmm0 , (%7) \n\t" // save temp2
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"vmovsd %%xmm1 ,8(%7) \n\t" // save temp2
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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" (a0), // 4
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"r" (a1), // 5
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"r" (temp1), // 6
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"r" (temp2) // 7
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: "cc",
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"%xmm0", "%xmm1", "%xmm2", "%xmm3",
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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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