35 lines
998 B
C++
35 lines
998 B
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TNT_UTILS_ARCHITECTURE_H
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#define TNT_UTILS_ARCHITECTURE_H
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#include <stddef.h>
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namespace utils {
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#ifdef __ARM_32BIT_STATE
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// on ARM 32-bits, assume 32-bytes cache lines
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constexpr size_t CACHELINE_SIZE = 32;
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#else
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// on ARM64 and x86 we assume 64-bytes cache lines
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constexpr size_t CACHELINE_SIZE = 64;
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#endif
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} // namespace utils
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#endif // TNT_UTILS_ARCHITECTURE_H
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