mirror of
https://github.com/0TheSpy/Seaside.git
synced 2025-01-10 19:22:10 +08:00
505 lines
9.4 KiB
C++
505 lines
9.4 KiB
C++
#ifndef FASTTIMER_H
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#define FASTTIMER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#ifdef _WIN32
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#include <intrin.h>
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#endif
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#include <assert.h>
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#include "platform.h"
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PLATFORM_INTERFACE uint64 g_ClockSpeed;
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#if defined( _X360 ) && defined( _CERT )
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PLATFORM_INTERFACE unsigned long g_dwFakeFastCounter;
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#endif
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PLATFORM_INTERFACE double g_ClockSpeedMicrosecondsMultiplier;
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PLATFORM_INTERFACE double g_ClockSpeedMillisecondsMultiplier;
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PLATFORM_INTERFACE double g_ClockSpeedSecondsMultiplier;
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class CCycleCount
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{
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friend class CFastTimer;
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public:
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CCycleCount();
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CCycleCount(uint64 cycles);
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void Sample();
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void Init();
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void Init(float initTimeMsec);
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void Init(double initTimeMsec) { Init((float)initTimeMsec); }
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void Init(uint64 cycles);
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bool IsLessThan(CCycleCount const& other) const;
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unsigned long GetCycles() const;
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uint64 GetLongCycles() const;
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unsigned long GetMicroseconds() const;
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uint64 GetUlMicroseconds() const;
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double GetMicrosecondsF() const;
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void SetMicroseconds(unsigned long nMicroseconds);
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unsigned long GetMilliseconds() const;
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double GetMillisecondsF() const;
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double GetSeconds() const;
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CCycleCount& operator+=(CCycleCount const& other);
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static void Add(CCycleCount const& rSrc1, CCycleCount const& rSrc2, CCycleCount& dest);
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static void Sub(CCycleCount const& rSrc1, CCycleCount const& rSrc2, CCycleCount& dest);
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static uint64 GetTimestamp();
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uint64 m_Int64;
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};
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class PLATFORM_CLASS CClockSpeedInit
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{
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public:
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CClockSpeedInit()
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{
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Init();
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}
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static void Init();
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};
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class CFastTimer
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{
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public:
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void Start();
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void End();
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const CCycleCount& GetDuration() const;
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CCycleCount GetDurationInProgress() const;
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static inline int64 GetClockSpeed();
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private:
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CCycleCount m_Duration;
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#ifdef DEBUG_FASTTIMER
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bool m_bRunning;
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#endif
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};
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class CTimeScope
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{
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public:
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CTimeScope(CFastTimer* pTimer);
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~CTimeScope();
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private:
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CFastTimer* m_pTimer;
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};
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inline CTimeScope::CTimeScope(CFastTimer* pTotal)
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{
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m_pTimer = pTotal;
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m_pTimer->Start();
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}
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inline CTimeScope::~CTimeScope()
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{
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m_pTimer->End();
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}
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class CTimeAdder
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{
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public:
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CTimeAdder(CCycleCount* pTotal);
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~CTimeAdder();
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void End();
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private:
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CCycleCount* m_pTotal;
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CFastTimer m_Timer;
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};
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inline CTimeAdder::CTimeAdder(CCycleCount* pTotal)
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{
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m_pTotal = pTotal;
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m_Timer.Start();
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}
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inline CTimeAdder::~CTimeAdder()
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{
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End();
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}
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inline void CTimeAdder::End()
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{
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if (m_pTotal)
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{
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m_Timer.End();
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*m_pTotal += m_Timer.GetDuration();
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m_pTotal = 0;
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}
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}
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#define PROFILE_SCOPE(name) \
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class C##name##ACC : public CAverageCycleCounter \
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{ \
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public: \
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~C##name##ACC() \
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{ \
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Msg("%-48s: %6.3f avg (%8.1f total, %7.3f peak, %5d iters)\n", \
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#name, \
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GetAverageMilliseconds(), \
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GetTotalMilliseconds(), \
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GetPeakMilliseconds(), \
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GetIters() ); \
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} \
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}; \
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static C##name##ACC name##_ACC; \
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CAverageTimeMarker name##_ATM( &name##_ACC )
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#define TIME_SCOPE(name) \
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class CTimeScopeMsg_##name \
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{ \
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public: \
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CTimeScopeMsg_##name() { m_Timer.Start(); } \
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~CTimeScopeMsg_##name() \
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{ \
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m_Timer.End(); \
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Msg( #name "time: %.4fms\n", m_Timer.GetDuration().GetMillisecondsF() ); \
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} \
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private: \
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CFastTimer m_Timer; \
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} name##_TSM;
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class CAverageCycleCounter
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{
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public:
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CAverageCycleCounter();
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void Init();
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void MarkIter(const CCycleCount& duration);
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unsigned GetIters() const;
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double GetAverageMilliseconds() const;
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double GetTotalMilliseconds() const;
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double GetPeakMilliseconds() const;
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private:
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unsigned m_nIters;
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CCycleCount m_Total;
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CCycleCount m_Peak;
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};
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class CAverageTimeMarker
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{
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public:
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CAverageTimeMarker(CAverageCycleCounter* pCounter);
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~CAverageTimeMarker();
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private:
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CAverageCycleCounter* m_pCounter;
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CFastTimer m_Timer;
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};
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inline CCycleCount::CCycleCount()
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{
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Init((uint64)0);
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}
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inline CCycleCount::CCycleCount(uint64 cycles)
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{
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Init(cycles);
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}
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inline void CCycleCount::Init()
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{
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Init((uint64)0);
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}
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inline void CCycleCount::Init(float initTimeMsec)
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{
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if (g_ClockSpeedMillisecondsMultiplier > 0)
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Init((uint64)(initTimeMsec / g_ClockSpeedMillisecondsMultiplier));
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else
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Init((uint64)0);
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}
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inline void CCycleCount::Init(uint64 cycles)
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{
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m_Int64 = cycles;
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}
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inline void CCycleCount::Sample()
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{
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m_Int64 = Plat_Rdtsc();
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}
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inline CCycleCount& CCycleCount::operator+=(CCycleCount const& other)
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{
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m_Int64 += other.m_Int64;
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return *this;
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}
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inline void CCycleCount::Add(CCycleCount const& rSrc1, CCycleCount const& rSrc2, CCycleCount& dest)
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{
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dest.m_Int64 = rSrc1.m_Int64 + rSrc2.m_Int64;
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}
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inline void CCycleCount::Sub(CCycleCount const& rSrc1, CCycleCount const& rSrc2, CCycleCount& dest)
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{
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dest.m_Int64 = rSrc1.m_Int64 - rSrc2.m_Int64;
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}
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inline uint64 CCycleCount::GetTimestamp()
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{
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CCycleCount c;
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c.Sample();
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return c.GetLongCycles();
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}
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inline bool CCycleCount::IsLessThan(CCycleCount const& other) const
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{
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return m_Int64 < other.m_Int64;
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}
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inline unsigned long CCycleCount::GetCycles() const
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{
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return (unsigned long)m_Int64;
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}
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inline uint64 CCycleCount::GetLongCycles() const
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{
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return m_Int64;
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}
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inline unsigned long CCycleCount::GetMicroseconds() const
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{
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return (unsigned long)((m_Int64 * 1000000) / g_ClockSpeed);
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}
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inline uint64 CCycleCount::GetUlMicroseconds() const
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{
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return ((m_Int64 * 1000000) / g_ClockSpeed);
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}
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inline double CCycleCount::GetMicrosecondsF() const
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{
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return (double)(m_Int64 * g_ClockSpeedMicrosecondsMultiplier);
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}
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inline void CCycleCount::SetMicroseconds(unsigned long nMicroseconds)
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{
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m_Int64 = ((uint64)nMicroseconds * g_ClockSpeed) / 1000000;
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}
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inline unsigned long CCycleCount::GetMilliseconds() const
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{
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return (unsigned long)((m_Int64 * 1000) / g_ClockSpeed);
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}
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inline double CCycleCount::GetMillisecondsF() const
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{
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return (double)(m_Int64 * g_ClockSpeedMillisecondsMultiplier);
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}
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inline double CCycleCount::GetSeconds() const
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{
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return (double)(m_Int64 * g_ClockSpeedSecondsMultiplier);
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}
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inline void CFastTimer::Start()
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{
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m_Duration.Sample();
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#ifdef DEBUG_FASTTIMER
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m_bRunning = true;
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#endif
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}
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inline void CFastTimer::End()
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{
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CCycleCount cnt;
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cnt.Sample();
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if (IsX360())
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{
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if ((uint64)cnt.m_Int64 <= (uint64)m_Duration.m_Int64)
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{
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cnt.m_Int64 += 0x100000000LL;
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}
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}
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m_Duration.m_Int64 = cnt.m_Int64 - m_Duration.m_Int64;
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#ifdef DEBUG_FASTTIMER
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m_bRunning = false;
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#endif
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}
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inline CCycleCount CFastTimer::GetDurationInProgress() const
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{
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CCycleCount cnt;
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cnt.Sample();
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if (IsX360())
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{
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if ((uint64)cnt.m_Int64 <= (uint64)m_Duration.m_Int64)
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{
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cnt.m_Int64 += 0x100000000LL;
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}
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}
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CCycleCount result;
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result.m_Int64 = cnt.m_Int64 - m_Duration.m_Int64;
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return result;
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}
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inline int64 CFastTimer::GetClockSpeed()
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{
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return g_ClockSpeed;
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}
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inline CCycleCount const& CFastTimer::GetDuration() const
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{
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#ifdef DEBUG_FASTTIMER
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assert(!m_bRunning);
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#endif
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return m_Duration;
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}
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inline CAverageCycleCounter::CAverageCycleCounter()
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: m_nIters(0)
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{
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}
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inline void CAverageCycleCounter::Init()
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{
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m_Total.Init();
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m_Peak.Init();
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m_nIters = 0;
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}
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inline void CAverageCycleCounter::MarkIter(const CCycleCount& duration)
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{
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++m_nIters;
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m_Total += duration;
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if (m_Peak.IsLessThan(duration))
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m_Peak = duration;
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}
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inline unsigned CAverageCycleCounter::GetIters() const
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{
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return m_nIters;
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}
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inline double CAverageCycleCounter::GetAverageMilliseconds() const
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{
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if (m_nIters)
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return (m_Total.GetMillisecondsF() / (double)m_nIters);
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else
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return 0;
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}
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inline double CAverageCycleCounter::GetTotalMilliseconds() const
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{
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return m_Total.GetMillisecondsF();
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}
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inline double CAverageCycleCounter::GetPeakMilliseconds() const
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{
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return m_Peak.GetMillisecondsF();
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}
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inline CAverageTimeMarker::CAverageTimeMarker(CAverageCycleCounter* pCounter)
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{
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m_pCounter = pCounter;
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m_Timer.Start();
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}
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inline CAverageTimeMarker::~CAverageTimeMarker()
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{
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m_Timer.End();
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m_pCounter->MarkIter(m_Timer.GetDuration());
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}
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class CLimitTimer
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{
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public:
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CLimitTimer() {}
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CLimitTimer(uint64 cMicroSecDuration) { SetLimit(cMicroSecDuration); }
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void SetLimit(uint64 m_cMicroSecDuration);
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bool BLimitReached() const;
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int CMicroSecOverage() const;
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uint64 CMicroSecLeft() const;
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private:
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uint64 m_lCycleLimit;
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};
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inline void CLimitTimer::SetLimit(uint64 cMicroSecDuration)
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{
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uint64 dlCycles = ((uint64)cMicroSecDuration * g_ClockSpeed) / (uint64)1000000L;
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CCycleCount cycleCount;
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cycleCount.Sample();
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m_lCycleLimit = cycleCount.GetLongCycles() + dlCycles;
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}
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inline bool CLimitTimer::BLimitReached() const
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{
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CCycleCount cycleCount;
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cycleCount.Sample();
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return (cycleCount.GetLongCycles() >= m_lCycleLimit);
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}
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inline int CLimitTimer::CMicroSecOverage() const
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{
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CCycleCount cycleCount;
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cycleCount.Sample();
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uint64 lcCycles = cycleCount.GetLongCycles();
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if (lcCycles < m_lCycleLimit)
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return 0;
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return((int)((lcCycles - m_lCycleLimit) * (uint64)1000000L / g_ClockSpeed));
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}
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inline uint64 CLimitTimer::CMicroSecLeft() const
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{
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CCycleCount cycleCount;
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cycleCount.Sample();
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uint64 lcCycles = cycleCount.GetLongCycles();
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if (lcCycles >= m_lCycleLimit)
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return 0;
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return((uint64)((m_lCycleLimit - lcCycles) * (uint64)1000000L / g_ClockSpeed));
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}
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#endif |