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670bc7b60f
Details: - This commit adds a new BLIS sandbox that (1) provides implementations based on low-precision gemm kernels, and (2) extends the BLIS typed API for those new implementations. Currently, these new kernels can only be used for the POWER10 microarchitecture; however, they may provide a template for developing similar kernels for other microarchitectures (even those beyond POWER), as changes would likely be limited to select places in the microkernel and possibly the packing routines. The new low-precision operations that are now supported include: shgemm, sbgemm, i16gemm, i8gemm, i4gemm. For more information, refer to the POWER10.md document that is included in 'sandbox/power10'.
78 lines
3.0 KiB
C
78 lines
3.0 KiB
C
/*
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BLIS
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An object-based framework for developing high-performance BLAS-like
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libraries.
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Copyright (C) 2014, The University of Texas at Austin
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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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- 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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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name(s) of the copyright holder(s) nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// This file contains the API points for the low precision POWER10 GEMM kernels
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#include "generic_gemm.h"
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#include "gemm_api.h"
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#define GEMM_FUNC(ch, DTYPE_IN, DTYPE_OUT, A_ALIGNMENT, B_ALIGNMENT, MR, NR, MC, KC, NC) \
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\
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void GEMM_FUNC_NAME(ch) \
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( \
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trans_t transa, \
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trans_t transb, \
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dim_t m, \
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dim_t n, \
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dim_t k, \
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DTYPE_OUT* alpha, \
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DTYPE_IN* a, inc_t rsa, inc_t csa, \
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DTYPE_IN* b, inc_t rsb, inc_t csb, \
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DTYPE_OUT* beta, \
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DTYPE_OUT* c, inc_t rsc, inc_t csc \
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) \
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{ \
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\
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if (transa != BLIS_NO_TRANSPOSE || transb != BLIS_NO_TRANSPOSE) { \
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printf("Transpose functionality not implemented yet.\n"); \
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} \
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\
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GEMM_PASTEMAC(ch) \
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( \
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MR, NR, MC, KC, NC, \
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m, n, k, \
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a, rsa, csa, A_ALIGNMENT, \
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b, rsb, csb, B_ALIGNMENT, \
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c, rsc, csc, \
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alpha, beta \
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); \
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} \
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// ch dt_in dt_out MR NR MC KC NC
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GEMM_FUNC( sb, bfloat16, float, 0, 0, 8, 16, 1664, 1026, 4096);
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GEMM_FUNC( sh, float16, float, 0, 0, 8, 16, 1664, 1026, 4096);
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GEMM_FUNC( i16, int16_t, int32_t, 0, 0, 8, 16, 1664, 1026, 4096);
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GEMM_FUNC( i8, int8_t, int32_t, 0, 0, 8, 16, 1664, 1026, 4096);
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GEMM_FUNC( i4, nibbles, int32_t, 0, 0, 8, 16, 1664, 1026, 4096);
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