Files
blis/addon/aocl_gemm/kernels/u8s8s32/lpgemm_packb.h
mkadavil a5c4a8c7e0 Int4 B matrix reordering support in LPGEMM.
Support for reordering B matrix of datatype int4 as per the pack schema
requirements of u8s8s32 kernel. Vectorized int4_t -> int8_t conversion
implemented via leveraging the vpmultishiftqb instruction. The reordered
B matrix will then be used in the u8s8s32o<s32|s8> api.

AMD-Internal: [SWLCSG-2390]
Change-Id: I3a8f8aba30cac0c4828a31f1d27fa1b45ea07bba
2024-06-24 07:55:34 -04:00

85 lines
2.9 KiB
C

/*
BLIS
An object-based framework for developing high-performance BLAS-like
libraries.
Copyright (C) 2022 - 2023, 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:
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notice, this list of conditions and the following disclaimer.
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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,
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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 BLIS_GEMM_INT8_PACKB
#define BLIS_GEMM_INT8_PACKB
BLIS_INLINE dim_t get_packb_u8s8s32o32_min_NR()
{
// This is the minimum NR' required for use in u8s8s32 kernels. The idea
// here is that since k needs to be a multiple of 4 (VNNI instr), NR'=16
// results in total of 4 * NR' = 64 bytes to be loaded, which fits in 1 ZMM
// register. Thus the smallest n fringe kernel dimension has n=16, and thus
// any rounding for buffer sizes should be to 16.
return 16;
}
typedef void (*packb_s32)
(
int8_t*,
const int8_t*,
const dim_t,
const dim_t,
const dim_t,
const dim_t,
dim_t*,
dim_t*
);
void packb_nr64_u8s8s32o32
(
int8_t* pack_b_buffer_u8s8s32o32,
const int8_t* b,
const dim_t rs_b,
const dim_t cs_b,
const dim_t NC,
const dim_t KC,
dim_t* rs_p,
dim_t* cs_p
);
void packb_nr64_u8s4s32o32
(
int8_t* pack_b_buffer_u8s8s32o32,
const int8_t* b,
const dim_t rs_b,
const dim_t cs_b,
const dim_t NC,
const dim_t KC,
dim_t* rs_p,
dim_t* cs_p
);
#endif //BLIS_GEMM_INT8_PACKB