Impala Documentation

Impala::Timer::Timer ( int mode = 1 ) [inline]

Definition at line 33 of file Timer.h.

References mFreq, and Start().

00033                         : mMode(mode) // also starts the timer
00034     {
00035 #ifdef unix
00036         // no platform dependent initialization required
00037 #else
00038         LARGE_INTEGER freqStruct;
00039         if (QueryPerformanceFrequency(&freqStruct))
00040         {
00041             mFreq = freqStruct.HighPart;
00042             mFreq = mFreq << 32;
00043             mFreq |= freqStruct.LowPart;
00044         }
00045         else
00046         {
00047             std::cout << "Timer: no QueryPerformanceFrequency" << std::endl;
00048         }
00049         if (! QueryPerformanceCounter(&freqStruct)) // is this test needed?
00050             std::cout << "Timer: no QueryPerformanceCounter" << std::endl;
00051 #endif
00052         Start();
00053     }

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