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author | Mohammed Suhail Munshi <MohammedSuhail.Munshi@arm.com> | 2023-12-05 14:27:31 +0000 |
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committer | Mohmun02 <MohammedSuhail.Munshi@arm.com> | 2024-01-10 09:56:39 +0000 |
commit | 7467ba8fac0afb19d750b3bdda9ba95002634038 (patch) | |
tree | e47d4989251f03d13590e6b22d9bd228fd1efe34 /src/core/helpers/LUTManager.h | |
parent | 7fe7791468978429ab02343a8485b51b39832027 (diff) | |
download | ComputeLibrary-7467ba8fac0afb19d750b3bdda9ba95002634038.tar.gz |
Use look up table for fp16 activation
- Enables FP16 lut for logistic activation
- Adds LUTManager to re-use lut where appropriate.
Signed-off-by: Mohammed Suhail Munshi <MohammedSuhail.Munshi@arm.com>
Change-Id: I94667b63b452a8e58a1eb59cb0b5866178954523
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10864
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'src/core/helpers/LUTManager.h')
-rw-r--r-- | src/core/helpers/LUTManager.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/core/helpers/LUTManager.h b/src/core/helpers/LUTManager.h new file mode 100644 index 0000000000..4e13ead7e3 --- /dev/null +++ b/src/core/helpers/LUTManager.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2024 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef ACL_SRC_CORE_HELPERS_LUTMANAGER_H +#define ACL_SRC_CORE_HELPERS_LUTMANAGER_H + +#include "arm_compute/core/CoreTypes.h" +#include "arm_compute/core/QuantizationInfo.h" +#include "arm_compute/function_info/ActivationLayerInfo.h" + +#include <map> +#include <memory> + +namespace arm_compute +{ + +struct LUTInfo +{ + ActivationLayerInfo::ActivationFunction act; + DataType dt; + QuantizationInfo qinfo; + // Operators enable use of map with Lutinfo as key + friend bool operator<(const LUTInfo &l, const LUTInfo &r) + { + return (l.act < r.act) || ((l.act == r.act) && (l.dt < r.dt)) || + ((l.act == r.act) && (l.dt == r.dt) && (l.qinfo.scale() < r.qinfo.scale())) || + ((l.act == r.act) && (l.dt == r.dt) && (l.qinfo.scale() == r.qinfo.scale()) && + (l.qinfo.offset() < l.qinfo.offset())); + } + bool operator==(const LUTInfo &l) + { + return this->act == l.act && this->dt == l.dt && this->qinfo == l.qinfo; + } +}; + +/* Class to handle getting look up table */ +class LUTManager +{ +public: + LUTManager() = default; + + static LUTManager &get_instance(); +#ifdef __aarch64__ + std::shared_ptr<ActivationLayerInfo::LookupTable65536> get_lut_table(LUTInfo info); + +private: + std::map<LUTInfo, std::weak_ptr<ActivationLayerInfo::LookupTable65536>> map_fp16{}; +#endif // __aarch64__ +}; + +} // namespace arm_compute +#endif // ACL_SRC_CORE_HELPERS_LUTMANAGER_H |