Merge pull request #4803 from iha-taisei/SVESupportSDGEMV
A64FX: Add support for SVE to SGEMV/DGEMV kernels.
This commit is contained in:
Martin Kroeker
GitHub
commit
ee87cb90d0
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@ -1 +1,6 @@
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include $(KERNELDIR)/KERNEL.ARMV8SVE
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SGEMVNKERNEL = gemv_n_sve.c
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DGEMVNKERNEL = gemv_n_sve.c
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SGEMVTKERNEL = gemv_t_sve.c
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DGEMVTKERNEL = gemv_t_sve.c
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@ -0,0 +1,92 @@
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/***************************************************************************
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Copyright (c) 2024, 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
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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 COPYRIGHT OWNER 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 <arm_sve.h>
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#include "common.h"
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#ifdef DOUBLE
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#define SV_COUNT svcntd
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#define SV_TYPE svfloat64_t
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#define SV_TRUE svptrue_b64
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#define SV_WHILE svwhilelt_b64
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#define SV_DUP svdup_f64
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#else
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#define SV_COUNT svcntw
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#define SV_TYPE svfloat32_t
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#define SV_TRUE svptrue_b32
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#define SV_WHILE svwhilelt_b32
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#define SV_DUP svdup_f32
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#endif
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int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, 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 j;
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FLOAT *a_ptr;
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FLOAT temp;
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ix = 0;
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a_ptr = a;
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if (inc_y == 1) {
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uint64_t sve_size = SV_COUNT();
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for (j = 0; j < n; j++) {
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SV_TYPE temp_vec = SV_DUP(alpha * x[ix]);
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i = 0;
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svbool_t pg = SV_WHILE(i, m);
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while (svptest_any(SV_TRUE(), pg)) {
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SV_TYPE a_vec = svld1(pg, a_ptr + i);
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SV_TYPE y_vec = svld1(pg, y + i);
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y_vec = svmla_x(pg, y_vec, temp_vec, a_vec);
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svst1(pg, y + i, y_vec);
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i += sve_size;
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pg = SV_WHILE(i, m);
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}
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a_ptr += lda;
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ix += inc_x;
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}
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return(0);
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}
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for (j = 0; j < n; j++) {
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temp = alpha * x[ix];
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iy = 0;
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for (i = 0; i < m; i++) {
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y[iy] += temp * a_ptr[i];
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iy += inc_y;
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}
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a_ptr += lda;
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ix += inc_x;
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}
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return (0);
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}
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@ -0,0 +1,94 @@
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/***************************************************************************
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Copyright (c) 2024, 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
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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 COPYRIGHT OWNER 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 <arm_sve.h>
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#include "common.h"
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#ifdef DOUBLE
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#define SV_COUNT svcntd
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#define SV_TYPE svfloat64_t
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#define SV_TRUE svptrue_b64
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#define SV_WHILE svwhilelt_b64
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#define SV_DUP svdup_f64
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#else
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#define SV_COUNT svcntw
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#define SV_TYPE svfloat32_t
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#define SV_TRUE svptrue_b32
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#define SV_WHILE svwhilelt_b32
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#define SV_DUP svdup_f32
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#endif
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int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, 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 j;
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FLOAT *a_ptr;
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FLOAT temp;
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iy = 0;
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a_ptr = a;
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if (inc_x == 1) {
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uint64_t sve_size = SV_COUNT();
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for (j = 0; j < n; j++) {
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SV_TYPE temp_vec = SV_DUP(0.0);
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i = 0;
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svbool_t pg = SV_WHILE(i, m);
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while (svptest_any(SV_TRUE(), pg)) {
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SV_TYPE a_vec = svld1(pg, a_ptr + i);
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SV_TYPE x_vec = svld1(pg, x + i);
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temp_vec = svmla_m(pg, temp_vec, a_vec, x_vec);
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i += sve_size;
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pg = SV_WHILE(i, m);
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}
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temp = svaddv(SV_TRUE(), temp_vec);
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y[iy] += alpha * temp;
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iy += inc_y;
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a_ptr += lda;
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}
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return(0);
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}
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for (j = 0; j < n; j++) {
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temp = 0.0;
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ix = 0;
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for (i = 0; i < m; i++) {
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temp += a_ptr[i] * x[ix];
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ix += inc_x;
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}
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y[iy] += alpha * temp;
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iy += inc_y;
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a_ptr += lda;
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}
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return (0);
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}
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