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53 lines
1.4 KiB
53 lines
1.4 KiB
#ifndef _TCUCPUWARMUP_HPP
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#define _TCUCPUWARMUP_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program Tester Core
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* ----------------------------------------
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*
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* Copyright 2014 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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*//*!
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* \file
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* \brief CPU warm-up utility, used to counteract CPU throttling.
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*//*--------------------------------------------------------------------*/
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namespace tcu
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{
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//! Does some dummy calculations to try and get the CPU working at full speed.
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void warmupCPU (void);
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namespace warmupCPUInternal
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{
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// \note Used in an attempt to prevent compiler from doing optimizations. Not supposed to be touched elsewhere.
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class Dummy
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{
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public:
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Dummy (void) : m_v(new float) {}
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~Dummy (void) { delete m_v; }
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volatile float* volatile m_v;
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};
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extern volatile Dummy g_dummy;
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};
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} // tcu
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#endif // _TCUCPUWARMUP_HPP
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