43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
//===-- Timer.cpp --------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Timer.h"
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#include <chrono>
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#include <fstream>
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namespace __llvm_libc {
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namespace testing {
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struct TimerImplementation {
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std::chrono::high_resolution_clock::time_point Start;
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std::chrono::high_resolution_clock::time_point End;
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};
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Timer::Timer() : Impl(new TimerImplementation) {}
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Timer::~Timer() { delete reinterpret_cast<TimerImplementation *>(Impl); }
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void Timer::start() {
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auto T = reinterpret_cast<TimerImplementation *>(Impl);
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T->Start = std::chrono::high_resolution_clock::now();
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}
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void Timer::stop() {
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auto T = reinterpret_cast<TimerImplementation *>(Impl);
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T->End = std::chrono::high_resolution_clock::now();
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}
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uint64_t Timer::nanoseconds() const {
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auto T = reinterpret_cast<TimerImplementation *>(Impl);
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return std::chrono::nanoseconds(T->End - T->Start).count();
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}
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} // namespace testing
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} // namespace __llvm_libc
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