267 lines
12 KiB
C
267 lines
12 KiB
C
/***************************************************************************
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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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#include "common.h"
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#if !defined(DOUBLE)
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#define VSETVL(n) vsetvl_e32m4(n)
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#define VSETVL_MAX vsetvlmax_e32m1()
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#define FLOAT_V_T vfloat32m4_t
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#define FLOAT_V_T_M1 vfloat32m1_t
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#define VFMVFS_FLOAT vfmv_f_s_f32m1_f32
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#define VLEV_FLOAT vle32_v_f32m4
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#define VLSEV_FLOAT vlse32_v_f32m4
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#define VSEV_FLOAT vse32_v_f32m4
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#define VSSEV_FLOAT vsse32_v_f32m4
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#define VFREDSUM_FLOAT vfredusum_vs_f32m4_f32m1
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#define VFMACCVV_FLOAT vfmacc_vv_f32m4
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#define VFMACCVF_FLOAT vfmacc_vf_f32m4
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#define VFMVVF_FLOAT vfmv_v_f_f32m4
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#define VFMVVF_FLOAT_M1 vfmv_v_f_f32m1
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#define VFDOTVV_FLOAT vfdot_vv_f32m4
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#define VFMULVV_FLOAT vfmul_vv_f32m4
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#else
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#define VSETVL(n) vsetvl_e64m4(n)
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#define VSETVL_MAX vsetvlmax_e64m1()
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#define FLOAT_V_T vfloat64m4_t
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#define FLOAT_V_T_M1 vfloat64m1_t
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#define VFMVFS_FLOAT vfmv_f_s_f64m1_f64
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#define VLEV_FLOAT vle64_v_f64m4
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#define VLSEV_FLOAT vlse64_v_f64m4
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#define VSEV_FLOAT vse64_v_f64m4
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#define VSSEV_FLOAT vsse64_v_f64m4
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#define VFREDSUM_FLOAT vfredusum_vs_f64m4_f64m1
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#define VFMACCVV_FLOAT vfmacc_vv_f64m4
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#define VFMACCVF_FLOAT vfmacc_vf_f64m4
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#define VFMVVF_FLOAT vfmv_v_f_f64m4
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#define VFMVVF_FLOAT_M1 vfmv_v_f_f64m1
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#define VFDOTVV_FLOAT vfdot_vv_f64m4
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#define VFMULVV_FLOAT vfmul_vv_f64m4
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#endif
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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, j, k;
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BLASLONG ix,iy;
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BLASLONG jx,jy;
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FLOAT temp1;
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FLOAT temp2;
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FLOAT *a_ptr = a;
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unsigned int gvl = 0;
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FLOAT_V_T_M1 v_res, v_z0;
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gvl = VSETVL_MAX;
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v_res = VFMVVF_FLOAT_M1(0, gvl);
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v_z0 = VFMVVF_FLOAT_M1(0, gvl);
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FLOAT_V_T va, vx, vy, vr;
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BLASLONG stride_x, stride_y, inc_xv, inc_yv;
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BLASLONG m1 = m - offset;
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if(inc_x == 1 && inc_y == 1){
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a_ptr += m1 * lda;
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for (j=m1; j<m; j++)
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{
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temp1 = alpha * x[j];
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temp2 = 0.0;
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if(j > 0){
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i = 0;
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gvl = VSETVL(j);
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vr = VFMVVF_FLOAT(0, gvl);
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for(k = 0; k < j / gvl; k++){
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vy = VLEV_FLOAT(&y[i], gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSEV_FLOAT(&y[i], vy, gvl);
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vx = VLEV_FLOAT(&x[i], gvl);
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vr = VFMACCVV_FLOAT(vr, vx, va, gvl);
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i += gvl;
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}
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 = VFMVFS_FLOAT(v_res);
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if(i < j){
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gvl = VSETVL(j-i);
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vy = VLEV_FLOAT(&y[i], gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSEV_FLOAT(&y[i], vy, gvl);
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vx = VLEV_FLOAT(&x[i], gvl);
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vr = VFMULVV_FLOAT(vx, va, gvl);
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 += VFMVFS_FLOAT(v_res);
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}
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}
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y[j] += temp1 * a_ptr[j] + alpha * temp2;
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a_ptr += lda;
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}
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}else if(inc_x == 1){
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jy = m1 * inc_y;
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a_ptr += m1 * lda;
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stride_y = inc_y * sizeof(FLOAT);
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for (j=m1; j<m; j++)
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{
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temp1 = alpha * x[j];
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temp2 = 0.0;
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if(j > 0){
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iy = 0;
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i = 0;
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gvl = VSETVL(j);
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inc_yv = inc_y * gvl;
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vr = VFMVVF_FLOAT(0, gvl);
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for(k = 0; k < j / gvl; k++){
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vy = VLSEV_FLOAT(&y[iy], stride_y, gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSSEV_FLOAT(&y[iy], stride_y, vy, gvl);
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vx = VLEV_FLOAT(&x[i], gvl);
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vr = VFMACCVV_FLOAT(vr, vx, va, gvl);
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i += gvl;
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iy += inc_yv;
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}
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 = VFMVFS_FLOAT(v_res);
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if(i < j){
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gvl = VSETVL(j-i);
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vy = VLSEV_FLOAT(&y[iy], stride_y, gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSSEV_FLOAT(&y[iy], stride_y, vy, gvl);
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vx = VLEV_FLOAT(&x[i], gvl);
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vr = VFMULVV_FLOAT(vx, va, gvl);
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 += VFMVFS_FLOAT(v_res);
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}
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}
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y[jy] += temp1 * a_ptr[j] + alpha * temp2;
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a_ptr += lda;
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jy += inc_y;
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}
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}else if(inc_y == 1){
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jx = m1 * inc_x;
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a_ptr += m1 * lda;
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stride_x = inc_x * sizeof(FLOAT);
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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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if(j > 0){
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ix = 0;
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i = 0;
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gvl = VSETVL(j);
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inc_xv = inc_x * gvl;
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vr = VFMVVF_FLOAT(0, gvl);
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for(k = 0; k < j / gvl; k++){
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vy = VLEV_FLOAT(&y[i], gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSEV_FLOAT(&y[i], vy, gvl);
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vx = VLSEV_FLOAT(&x[ix], stride_x, gvl);
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vr = VFMACCVV_FLOAT(vr, vx, va, gvl);
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i += gvl;
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ix += inc_xv;
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}
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 = VFMVFS_FLOAT(v_res);
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if(i < j){
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gvl = VSETVL(j-i);
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vy = VLEV_FLOAT(&y[i], gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSEV_FLOAT(&y[i], vy, gvl);
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vx = VLSEV_FLOAT(&x[ix], stride_x, gvl);
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vr = VFMULVV_FLOAT(vx, va, gvl);
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 += VFMVFS_FLOAT(v_res);
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}
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}
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y[j] += temp1 * a_ptr[j] + alpha * temp2;
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a_ptr += lda;
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jx += inc_x;
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}
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}else{
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jx = m1 * inc_x;
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jy = m1 * inc_y;
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a_ptr += m1 * lda;
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stride_x = inc_x * sizeof(FLOAT);
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stride_y = inc_y * sizeof(FLOAT);
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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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if(j > 0){
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ix = 0;
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iy = 0;
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i = 0;
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gvl = VSETVL(j);
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inc_xv = inc_x * gvl;
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inc_yv = inc_y * gvl;
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vr = VFMVVF_FLOAT(0, gvl);
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for(k = 0; k < j / gvl; k++){
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vy = VLSEV_FLOAT(&y[iy], stride_y, gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSSEV_FLOAT(&y[iy], stride_y, vy, gvl);
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vx = VLSEV_FLOAT(&x[ix], stride_x, gvl);
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vr = VFMACCVV_FLOAT(vr, vx, va, gvl);
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i += gvl;
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ix += inc_xv;
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iy += inc_yv;
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}
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 = VFMVFS_FLOAT(v_res);
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if(i < j){
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gvl = VSETVL(j-i);
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vy = VLSEV_FLOAT(&y[iy], stride_y, gvl);
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va = VLEV_FLOAT(&a_ptr[i], gvl);
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vy = VFMACCVF_FLOAT(vy, temp1, va, gvl);
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VSSEV_FLOAT(&y[iy], stride_y, vy, gvl);
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vx = VLSEV_FLOAT(&x[ix], stride_x, gvl);
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vr = VFMULVV_FLOAT(vx, va, gvl);
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v_res = VFREDSUM_FLOAT(v_res, vr, v_z0, gvl);
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temp2 += VFMVFS_FLOAT(v_res);
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}
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}
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y[jy] += temp1 * a_ptr[j] + alpha * temp2;
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a_ptr += lda;
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jx += inc_x;
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jy += inc_y;
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}
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}
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return(0);
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}
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