mirror of
https://github.com/OpenMathLib/OpenBLAS
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e105411460
- Sets up all the various entrypoints for `bgemv` - Adds `bscal` for use in the `bgemv` interface - Adds test cases for comparing `sgemv` and `bgemv` - Adds generic kernels for `bgemv_n` and `bgemv_t` which are accurate enough to pass above tests
65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
/***************************************************************************
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* Copyright (c) 2025, 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
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* *****************************************************************************/
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#if defined(BFLOAT16) && defined(BFLOAT16CONVERSION)
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static float
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bfloat16tof32 (bfloat16 value)
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{
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blasint one = 1;
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float result;
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sbf16tos_(&one, &value, &one, &result, &one);
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return result;
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}
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#ifdef BGEMM
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static bfloat16 f32tobfloat16(float value) {
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blasint one = 1;
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bfloat16 result;
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sbstobf16_(&one, &value, &one, &result, &one);
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return result;
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}
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#endif
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#ifdef BGEMM
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#define ALPHA bfloat16tof32(alpha)
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#define BETA bfloat16tof32(beta)
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#define BF16TOF32(x) (bfloat16tof32(x))
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#define F32TOBF16(x) (f32tobfloat16(x))
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#else
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#define ALPHA alpha
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#define BETA beta
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#define BF16TOF32(x) (bfloat16tof32(x))
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#define F32TOBF16(x) x
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#endif
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#else
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#define ALPHA alpha
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#define BETA beta
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#define BF16TOF32(x) x
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#define F32TOBF16(x) x
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#endif
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