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Microsecond granularity support

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This commit is contained in:
paboyle 2016-03-16 02:28:51 -07:00
parent b75da563d9
commit 36a800f26c
1 changed files with 9 additions and 4 deletions
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13
lib/Timer.h
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@ -44,6 +44,7 @@ double usecond(void);
typedef std::chrono::system_clock GridClock; typedef std::chrono::system_clock GridClock;
typedef std::chrono::time_point<GridClock> GridTimePoint; typedef std::chrono::time_point<GridClock> GridTimePoint;
typedef std::chrono::milliseconds GridTime; typedef std::chrono::milliseconds GridTime;
typedef std::chrono::microseconds GridUsecs;
inline std::ostream& operator<< (std::ostream & stream, const std::chrono::milliseconds & time) inline std::ostream& operator<< (std::ostream & stream, const std::chrono::milliseconds & time)
{ {
@ -55,7 +56,7 @@ class GridStopWatch {
private: private:
bool running; bool running;
GridTimePoint start; GridTimePoint start;
GridTime accumulator; GridUsecs accumulator;
public: public:
GridStopWatch () { GridStopWatch () {
Reset(); Reset();
@ -67,17 +68,21 @@ public:
} }
void Stop(void) { void Stop(void) {
assert(running == true); assert(running == true);
accumulator+= std::chrono::duration_cast<GridTime>(GridClock::now()-start); accumulator+= std::chrono::duration_cast<GridUsecs>(GridClock::now()-start);
running = false; running = false;
}; };
void Reset(void){ void Reset(void){
running = false; running = false;
start = GridClock::now(); start = GridClock::now();
accumulator = std::chrono::duration_cast<GridTime>(start-start); accumulator = std::chrono::duration_cast<GridUsecs>(start-start);
} }
GridTime Elapsed(void) { GridTime Elapsed(void) {
assert(running == false); assert(running == false);
return accumulator; return std::chrono::duration_cast<GridTime>( accumulator );
}
uint64_t useconds(void){
assert(running == false);
return (uint64_t) accumulator.count();
} }
}; };