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| author | Georgios Pinitas <georgios.pinitas@arm.com> | 2019-01-09 18:35:17 +0000 |
|---|---|---|
| committer | Georgios Pinitas <georgios.pinitas@arm.com> | 2019-01-18 13:41:40 +0000 |
| commit | 7cd26d4a1b14bc4bf7c61496803416ab3d84791f (patch) | |
| tree | 12cc4a27d7ecebc69a43e96b1f46c7eb05437978 /src/core/NEON/kernels/arm_gemm/utils.hpp | |
| parent | 3ac2f3a1d9297220d1b0ce920dd13fdd4edcc187 (diff) | |
| download | ComputeLibrary-7cd26d4a1b14bc4bf7c61496803416ab3d84791f.tar.gz | |
COMPMID-1867: Add NEON/SVE GEMM Hybrid kernels.
Change-Id: Ib40a9921e7f9a6a8be6c38872d6b3a0f24ed0cd3
Reviewed-on: https://review.mlplatform.org/515
Reviewed-by: Anthony Barbier <Anthony.barbier@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/utils.hpp')
| -rw-r--r-- | src/core/NEON/kernels/arm_gemm/utils.hpp | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/utils.hpp b/src/core/NEON/kernels/arm_gemm/utils.hpp index a1fc00ea89..8b96c328a6 100644 --- a/src/core/NEON/kernels/arm_gemm/utils.hpp +++ b/src/core/NEON/kernels/arm_gemm/utils.hpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 ARM Limited. + * Copyright (c) 2017-2019 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -24,9 +24,7 @@ #pragma once -#ifdef __ARM_FEATURE_SVE -#include <arm_sve.h> -#endif +#include <cstddef> // Macro for unreachable code (e.g. impossible default cases on switch) #define UNREACHABLE(why) __builtin_unreachable() @@ -49,13 +47,43 @@ inline T roundup(const T a, const T b) { } } +namespace arm_gemm { +namespace utils { +namespace { + +#ifdef __ARM_FEATURE_SVE +template<size_t sz> +inline unsigned long get_vector_length_sz() { + unsigned long v; + + __asm ( + "cntb %0" + : "=r" (v) + ); + + return v / sz; +} + +#define VEC_LEN_SPEC(sz, opcode) template <> inline unsigned long get_vector_length_sz<sz>() { unsigned long v; __asm ( opcode " %0" : "=r" (v)); return v; } + +VEC_LEN_SPEC(8, "cntd") +VEC_LEN_SPEC(4, "cntw") +VEC_LEN_SPEC(2, "cnth") +VEC_LEN_SPEC(1, "cntb") +#endif + +} // anonymous namespace + template <typename T> inline unsigned long get_vector_length() { #ifdef __ARM_FEATURE_SVE - const unsigned long length = svcntb(); + return get_vector_length_sz<sizeof(T)>(); #else - const unsigned long length = 16; + return 16 / sizeof(T); #endif +} + +} // utils namespace +} // arm_gemm namespace - return length / sizeof(T); -}
\ No newline at end of file +using namespace arm_gemm::utils;
\ No newline at end of file |