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/*############################################################################
# Copyright (C) 2005 Intel Corporation
#
# SPDX-License-Identifier: MIT
############################################################################*/
#pragma once
#include <stdio.h>
#include <vector>
#include "math.h"
#include "vm/strings_defs.h"
#include "vm/time_defs.h"
#include "vpl/mfxstructures.h"
class CTimeStatisticsReal {
public:
CTimeStatisticsReal() {
ResetStatistics();
start = 0;
m_bNeedDumping = false;
}
static msdk_tick GetFrequency() {
if (!frequency) {
frequency = msdk_time_get_frequency();
}
return frequency;
}
static mfxF64 ConvertToSeconds(msdk_tick elapsed) {
return MSDK_GET_TIME(elapsed, 0, GetFrequency());
}
inline void StartTimeMeasurement() {
start = msdk_time_get_tick();
}
inline void StopTimeMeasurement() {
mfxF64 delta = GetDeltaTime();
totalTime += delta;
totalTimeSquares += delta * delta;
// dump in ms:
if (m_bNeedDumping)
m_time_deltas.push_back(delta * 1000);
if (delta < minTime) {
minTime = delta;
}
if (delta > maxTime) {
maxTime = delta;
}
numMeasurements++;
}
inline void StopTimeMeasurementWithCheck() {
if (start) {
StopTimeMeasurement();
}
}
inline mfxF64 GetDeltaTime() {
return MSDK_GET_TIME(msdk_time_get_tick(), start, GetFrequency());
}
inline mfxF64 GetDeltaTimeInMiliSeconds() {
return GetDeltaTime() * 1000;
}
inline void TurnOnDumping() {
m_bNeedDumping = true;
}
inline void TurnOffDumping() {
m_bNeedDumping = false;
}
inline void PrintStatistics(const char* prefix) {
printf("%s Total:%.3lfms(%llu smpls),Avg %.3lfms,StdDev:%.3lfms,Min:%.3lfms,Max:%.3lfms\n",
prefix,
(double)totalTime,
(unsigned long long int)numMeasurements,
(double)GetAvgTime(false),
(double)GetTimeStdDev(false),
(double)GetMinTime(false),
(double)GetMaxTime(false));
}
inline mfxU64 GetNumMeasurements() {
return numMeasurements;
}
inline mfxF64 GetAvgTime(bool inSeconds = true) {
if (inSeconds) {
return (numMeasurements ? totalTime / numMeasurements : 0);
}
else {
return (numMeasurements ? totalTime / numMeasurements : 0) * 1000;
}
}
inline mfxF64 GetTimeStdDev(bool inSeconds = true) {
mfxF64 avg = GetAvgTime();
mfxF64 ftmp =
(numMeasurements ? sqrt(totalTimeSquares / numMeasurements - avg * avg) : 0.0);
return inSeconds ? ftmp : ftmp * 1000;
}
inline mfxF64 GetMinTime(bool inSeconds = true) {
return inSeconds ? minTime : minTime * 1000;
}
inline mfxF64 GetMaxTime(bool inSeconds = true) {
return inSeconds ? maxTime : maxTime * 1000;
}
inline mfxF64 GetTotalTime(bool inSeconds = true) {
return inSeconds ? totalTime : totalTime * 1000;
}
inline void ResetStatistics() {
totalTime = 0;
totalTimeSquares = 0;
minTime = 1E100;
maxTime = -1;
numMeasurements = 0;
m_time_deltas.clear();
TurnOffDumping();
}
protected:
static msdk_tick frequency;
msdk_tick start;
mfxF64 totalTime;
mfxF64 totalTimeSquares;
mfxF64 minTime;
mfxF64 maxTime;
mfxU64 numMeasurements;
std::vector<mfxF64> m_time_deltas;
bool m_bNeedDumping;
};
class CTimeStatisticsDummy {
public:
static msdk_tick GetFrequency() {
if (!frequency) {
frequency = msdk_time_get_frequency();
}
return frequency;
}
static mfxF64 ConvertToSeconds(msdk_tick /*elapsed*/) {
return 0;
}
inline void StartTimeMeasurement() {}
inline void StopTimeMeasurement() {}
inline void StopTimeMeasurementWithCheck() {}
inline mfxF64 GetDeltaTime() {
return 0;
}
inline mfxF64 GetDeltaTimeInMiliSeconds() {
return 0;
}
inline void TurnOnDumping() {}
inline void TurnOffDumping() {}
inline void PrintStatistics(const char* /*prefix*/) {}
inline mfxU64 GetNumMeasurements() {
return 0;
}
inline mfxF64 GetAvgTime(bool) {
return 0;
}
inline mfxF64 GetTimeStdDev(bool) {
return 0;
}
inline mfxF64 GetMinTime(bool) {
return 0;
}
inline mfxF64 GetMaxTime(bool) {
return 0;
}
inline mfxF64 GetTotalTime(bool) {
return 0;
}
inline void ResetStatistics() {}
protected:
static msdk_tick frequency;
};
#ifdef TIME_STATS
typedef CTimeStatisticsReal CTimeStatistics;
#else
typedef CTimeStatisticsDummy CTimeStatistics;
#endif
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