77 lines
3.4 KiB
C
77 lines
3.4 KiB
C
/***************************************************************************
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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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/* need a new enough GCC for avx512 support */
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#if (( defined(__GNUC__) && __GNUC__ >= 10 && defined(__AVX512BF16__)) || (defined(__clang__) && __clang_major__ >= 9))
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#define HAVE_SBGEMV_N_ACCL_KERNEL 1
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#include "common.h"
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#include <immintrin.h>
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// Define micro kernels for ALPHA not ONE && BETA effective && BETA not ONE scenarios
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#undef ZERO_BETA
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#undef ONE_BETA
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#undef ONE_ALPHA
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#include "sbgemv_n_microk_cooperlake_template.c"
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// Define micro kernels for ALPHA not ONE && BETA as ONE scenarios
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#undef ZERO_BETA
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#define ONE_BETA 1
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#undef ONE_ALPHA
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#include "sbgemv_n_microk_cooperlake_template.c"
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// Define micro kernels for ALPHA not ONE && BETA in-effective (BETA == 0) scenarios
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#define ZERO_BETA 1
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#undef ONE_ALPHA
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#include "sbgemv_n_microk_cooperlake_template.c"
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// Define micro kernels for ALPHA as ONE && BETA in-effective (BETA == 0) scenarios
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#define ZERO_BETA 1
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#define ONE_ALPHA 1
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#include "sbgemv_n_microk_cooperlake_template.c"
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static int sbgemv_kernel_n(BLASLONG m, BLASLONG n, float alpha, bfloat16 *a, BLASLONG lda, bfloat16 *x, float beta, float *y)
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{
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if (beta == ZERO) { // BETA == 0.0, no need to accumulate the original Y data
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if (alpha == ONE) { // ALPHA == 1.0, no need to multipy ALPHA
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sbgemv_kernel_32xN_lda_direct(m, n, alpha, a, lda, x, y);
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} else { // ALPHA != 1.0, need to multipy ALPHA
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sbgemv_kernel_32xN_lda_direct_alpha(m, n, alpha, a, lda, x, y);
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}
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} else { // BETA != 0.0, need to accumulate the original Y data no matter what ALPHA is
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if (beta == ONE) {
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sbgemv_kernel_32xN_lda_direct_alpha_one(m, n, alpha, a, lda, x, beta, y);
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} else {
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sbgemv_kernel_32xN_lda_direct_alpha_beta(m, n, alpha, a, lda, x, beta, y);
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}
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}
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return 0;
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}
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#endif
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