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QueryPerformanceCounter, Zeitmessung, GetTickCount

 

Michael
W.
Hab' a small pearl of Ragnar Rehbein again found
// adjusted on vX3
Cls
Def QPF(1 ) !"KERNEL32","QueryPerformanceFrequency"' return as LARGE_INTEGER
Def QPC(1 ) !"KERNEL32","QueryPerformanceCounter"' return as LARGE_INTEGER
Set("Decimals",0)
Declare mem time
Dim time, 16
QPF(time)// tributary of cpu-beat
Print "HiPerfFreq.: ", Str $(Long(time,0)) + " " + Str $(Long(time,8))

WhileLoop 200

    AddStrings "HiPerfTimer: " + Str $(Long(time,0)) + " " + Str $(Long(time,8)) + " Tickc.: " + Str $(&GetTickCount)
    QPC(time)

EndWhile

$ ListBox("QueryPerformanceCounter",2)
Dispose time
' ---------
' --------- ...further Fundstelle...
' ---------
'fountain: https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx
ClearList 0
Declare quad Frequency, StartingTime, EndingTime, ElapsedMicroSeconds
Declare quad stops[]
Declare int creep, OneSec
creep = 20000
OneSec = 0
Print "\n...well then " + Str $(creep) + " Durchläufe (over 12.000 for a sec.)"
QPF(Addr(Frequency))
QPC(Addr(StartingTime))

WhileLoop 1,creep

    QPC(Addr(EndingTime))
    stops[&Loop] = EndingTime

EndWhile

Print "\n...and Aufbereitung"

WhileLoop 1,creep

    ElapsedMicroseconds = stops[&Loop] - StartingTime
    ElapsedMicroseconds = ElapsedMicroseconds * 1000000
    ElapsedMicroseconds = ElapsedMicroseconds / Frequency
    AddStrings "Timer: " + stature$("%8.0f µs",ElapsedMicroseconds) + stature$("  %8.3f ms",ElapsedMicroseconds/1000) + stature$("  %8.6f s --- ",ElapsedMicroseconds/1000000)+ stature$("000000",&Loop)

    Ifnot OneSec

        If (ElapsedMicroseconds/1000000) >= 1.0

            Inc OneSec
            Print "(ca. " + Str $(&Loop - 1) + " Durchläufe in 1 sec.)"

        EndIf

    EndIf

EndWhile

Print "\n...and Anzeige"
Print "ENDE"
$ ListBox("QueryPerformanceCounter",2)
ClearList 0
End
 
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System: Windows 8/10, XProfan X4
Programmieren, das spannendste Detektivspiel der Welt.
08/13/16  
 



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Michael W. (1x)


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