Files
blis/addon/aocl_gemm/aocl_gemm_interface_apis.h
eashdash 4e3e00fb7e Added low precision GEMM - bf16bf16f32of32
Feature Addition: Added a new variant of low precision GEMM to addon - BFloat16. The kernel takes bf16 type inputs and perform BF16 GEMM operations. The intermediate accumulation and output are in float.

1. Compute kernels will perform computations only if B matrix is reordered in accordance with the usage of AVX-512 BF16 instruction - dpbf16_ps
2. Kernel for packing B matrix is provided

Change-Id: If5d08213068869eff060c9998596d2d2703a6793
2022-08-24 03:27:00 -04:00

105 lines
4.0 KiB
C

/*
BLIS
An object-based framework for developing high-performance BLAS-like
libraries.
Copyright (C) 2022, Advanced Micro Devices, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name(s) of the copyright holder(s) nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AOCL_GEMM_INTERFACE_H
#define AOCL_GEMM_INTERFACE_H
#include "aocl_gemm_post_ops.h"
#include "aocl_bf16_type.h"
// Returns the size of buffer in bytes required for the reordered matrix.
#define AOCL_GEMM_GET_REORDER_BUF_SIZE(LP_SFX) \
BLIS_EXPORT_ADDON siz_t aocl_get_reorder_buf_size_ ## LP_SFX \
( \
const char mat_type, \
const dim_t k, \
const dim_t n \
) \
AOCL_GEMM_GET_REORDER_BUF_SIZE(f32f32f32of32);
AOCL_GEMM_GET_REORDER_BUF_SIZE(u8s8s32os32);
AOCL_GEMM_GET_REORDER_BUF_SIZE(u8s8s16os16);
AOCL_GEMM_GET_REORDER_BUF_SIZE(bf16bf16f32of32);
// Performs reordering of input matrix. Reordering is the process of packing
// the entire matrix upfront, so that the benefits of packed matrix is obtained
// without incurring the packing costs during matmul computation.
#define AOCL_GEMM_REORDER(B_type,LP_SFX) \
BLIS_EXPORT_ADDON void aocl_reorder_ ## LP_SFX \
( \
const char mat_type, \
const B_type* input_buf_addr, \
B_type* reorder_buf_addr, \
const dim_t k, \
const dim_t n, \
const dim_t ldb \
) \
AOCL_GEMM_REORDER(float,f32f32f32of32);
AOCL_GEMM_REORDER(int8_t,u8s8s32os32);
AOCL_GEMM_REORDER(int8_t,u8s8s16os16);
AOCL_GEMM_REORDER(bfloat16,bf16bf16f32of32);
// Only supports matrices in row major format. This api can perform gemm with
// both normal as well as reordered B matrix as opposesd to sgemm (only
// supports former). This api can be considered analogous to packed sgemm api.
#define AOCL_GEMM_MATMUL(A_type,B_type,C_type,LP_SFX) \
BLIS_EXPORT_ADDON void aocl_gemm_ ## LP_SFX \
( \
const char order, \
const char transa, \
const char transb, \
const dim_t m, \
const dim_t n, \
const dim_t k, \
const C_type alpha, \
const A_type* a, \
const dim_t lda, \
const char mem_format_a, \
const B_type* b, \
const dim_t ldb, \
const char mem_format_b, \
const C_type beta, \
C_type* c, \
const dim_t ldc, \
aocl_post_op* post_op_unparsed \
) \
AOCL_GEMM_MATMUL(float,float,float,f32f32f32of32);
AOCL_GEMM_MATMUL(uint8_t,int8_t,int32_t,u8s8s32os32);
AOCL_GEMM_MATMUL(uint8_t,int8_t,int16_t,u8s8s16os16);
AOCL_GEMM_MATMUL(bfloat16,bfloat16,float,bf16bf16f32of32);
#endif // AOCL_GEMM_INTERFACE_H