blob: 6ab0063fa6ef010dca3e13074b5efcd658386b38 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
//===-- 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 "src/__support/macros/config.h"
#include <chrono>
#include <fstream>
namespace LIBC_NAMESPACE_DECL {
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 LIBC_NAMESPACE_DECL
|
