/
GitCaptain
/
llvm-project
Обзор
Документация
Войти
/
GitCaptain
/
llvm-project
Код
Запросы
0
Задачи
Вики
Пакеты
0
Релизы
0
Аналитика
Безопасность
fix-tests
libc/utils/testutils/Timer.cpp
42 строки
1 KB
Siva Chandra Reddy
[libc] Add differential quality and perf analysis targets for sinf and cosf.
26 апр 2021, 22:39
26 апр 2021, 22:39
c6aa206
Код
Авторство
О чём код?
//===-- Timer.cpp --------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "Timer.h" #include <chrono> #include <fstream> namespace __llvm_libc { namespace testing { struct TimerImplementation { std::chrono::high_resolution_clock::time_point Start; std::chrono::high_resolution_clock::time_point End; }; Timer::Timer() : Impl(new TimerImplementation) {} Timer::~Timer() { delete reinterpret_cast<TimerImplementation *>(Impl); } void Timer::start() { auto T = reinterpret_cast<TimerImplementation *>(Impl); T->Start = std::chrono::high_resolution_clock::now(); } void Timer::stop() { auto T = reinterpret_cast<TimerImplementation *>(Impl); T->End = std::chrono::high_resolution_clock::now(); } uint64_t Timer::nanoseconds() const { auto T = reinterpret_cast<TimerImplementation *>(Impl); return std::chrono::nanoseconds(T->End - T->Start).count(); } } // namespace testing } // namespace __llvm_libc