#ifndef _TCUCPUWARMUP_HPP #define _TCUCPUWARMUP_HPP /*------------------------------------------------------------------------- * drawElements Quality Program Tester Core * ---------------------------------------- * * Copyright 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * *//*! * \file * \brief CPU warm-up utility, used to counteract CPU throttling. *//*--------------------------------------------------------------------*/ namespace tcu { //! Does some dummy calculations to try and get the CPU working at full speed. void warmupCPU (void); namespace warmupCPUInternal { // \note Used in an attempt to prevent compiler from doing optimizations. Not supposed to be touched elsewhere. class Dummy { public: Dummy (void) : m_v(new float) {} ~Dummy (void) { delete m_v; } volatile float* volatile m_v; }; extern volatile Dummy g_dummy; }; } // tcu #endif // _TCUCPUWARMUP_HPP