You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
3.0 KiB
116 lines
3.0 KiB
// base/timer.h
|
|
|
|
// Copyright 2009-2011 Ondrej Glembek; Microsoft Corporation
|
|
|
|
// See ../../COPYING for clarification regarding multiple authors
|
|
//
|
|
// 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
|
|
|
|
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
|
|
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
|
|
// MERCHANTABLITY OR NON-INFRINGEMENT.
|
|
// See the Apache 2 License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
#ifndef KALDI_BASE_TIMER_H_
|
|
#define KALDI_BASE_TIMER_H_
|
|
|
|
#include "base/kaldi-utils.h"
|
|
#include "base/kaldi-error.h"
|
|
|
|
|
|
#if defined(_MSC_VER) || defined(MINGW)
|
|
|
|
namespace kaldi {
|
|
class Timer {
|
|
public:
|
|
Timer() { Reset(); }
|
|
|
|
// You can initialize with bool to control whether or not you want the time to
|
|
// be set when the object is created.
|
|
explicit Timer(bool set_timer) { if (set_timer) Reset(); }
|
|
|
|
void Reset() {
|
|
QueryPerformanceCounter(&time_start_);
|
|
}
|
|
double Elapsed() const {
|
|
LARGE_INTEGER time_end;
|
|
LARGE_INTEGER freq;
|
|
QueryPerformanceCounter(&time_end);
|
|
|
|
if (QueryPerformanceFrequency(&freq) == 0) {
|
|
// Hardware does not support this.
|
|
return 0.0;
|
|
}
|
|
return (static_cast<double>(time_end.QuadPart) -
|
|
static_cast<double>(time_start_.QuadPart)) /
|
|
(static_cast<double>(freq.QuadPart));
|
|
}
|
|
private:
|
|
LARGE_INTEGER time_start_;
|
|
};
|
|
|
|
|
|
#else
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
|
|
namespace kaldi {
|
|
class Timer {
|
|
public:
|
|
Timer() { Reset(); }
|
|
|
|
// You can initialize with bool to control whether or not you want the time to
|
|
// be set when the object is created.
|
|
explicit Timer(bool set_timer) { if (set_timer) Reset(); }
|
|
|
|
void Reset() { gettimeofday(&this->time_start_, &time_zone_); }
|
|
|
|
/// Returns time in seconds.
|
|
double Elapsed() const {
|
|
struct timeval time_end;
|
|
struct timezone time_zone;
|
|
gettimeofday(&time_end, &time_zone);
|
|
double t1, t2;
|
|
t1 = static_cast<double>(time_start_.tv_sec) +
|
|
static_cast<double>(time_start_.tv_usec)/(1000*1000);
|
|
t2 = static_cast<double>(time_end.tv_sec) +
|
|
static_cast<double>(time_end.tv_usec)/(1000*1000);
|
|
return t2-t1;
|
|
}
|
|
|
|
private:
|
|
struct timeval time_start_;
|
|
struct timezone time_zone_;
|
|
};
|
|
|
|
#endif
|
|
|
|
class Profiler {
|
|
public:
|
|
// Caution: the 'const char' should always be a string constant; for speed,
|
|
// internally the profiling code uses the address of it as a lookup key.
|
|
Profiler(const char *function_name): name_(function_name) { }
|
|
~Profiler();
|
|
private:
|
|
Timer tim_;
|
|
const char *name_;
|
|
};
|
|
|
|
// To add timing info for a function, you just put
|
|
// KALDI_PROFILE;
|
|
// at the beginning of the function. Caution: this doesn't
|
|
// include the class name.
|
|
#define KALDI_PROFILE Profiler _profiler(__func__)
|
|
|
|
|
|
|
|
} // namespace kaldi
|
|
|
|
|
|
#endif // KALDI_BASE_TIMER_H_
|