"OK", you say "all I have to do is haul out QueryPerformanceFrequency and QueryPerformanceCounter, strut my funky 64 bit stuff, and I'll have all the .

Hi, I''m looking for a timing function for linux, similar to .

7 Aug 2008 . FDIVP instruction from this code despite enabling the . mov DWORD PTR tv1109, eax . store result of x87 division .

High resolution timing is supported in Win32 by the QueryPerformanceCounter() and QueryPerformanceFrequency() API methods. This timer functions has much .

This nomenclature was subsequently change this to cap to follow us around. Figure 4 shows the location of the grounding responsibilities are and where.

4 posts - 2 authors - Last post: 9 Nov 2009I found some information about this function from intel's site. Windows API QueryPerformanceFrequency() does not necessary use CPU clock. .

How do you use SetThreadAffinityMask with QueryPerformanceFrequency? How to edit Windows Forms controls from different threads .

QueryPerformanceCounter() is used to get the current elapsed ticks, and QueryPerformanceFrequency() is used to get the number of ticks per second, which is .

17 Dec 2007 . You can use the Win32 functions QueryPerformanceCounter and QueryPerformanceFrequency to measure the performance of your code to nanosecond .

Retrieves the frequency of the high-resolution performance counter, if one exists. The frequency cannot change while the system is running.

15 posts - 7 authors - Last post: 1 May 2006On certain computers, the result returned by QueryPerformanceFrequency will be the clock speed of the CPU. On a computer with a processor .

The QueryPerformanceFrequency API. . Sample Code: [DllImport("Kernel32.dll")]. public static extern bool QueryPerformanceFrequency(out long freq); .

9 posts - 4 authors - Last post: 28 Jun 2005[VB]QueryPerformanceCounter and QueryPerformancefrequency Games and Graphics Programming.

01 Sep 2010, 13:01 von JefHatacheact QUERYPERFORMANCEFREQUENCY LINUX http:// firelady.cba.pl/230H.html Anh khoa than cua nguoi mau .

8 Nov 2010 . This article suggests a more accurate, reliable solution using the Windows APIs QueryPerformanceCounter and QueryPerformanceFrequency. .

14 Dec 2004 . QueryPerformanceFrequency - answer - Hi I have written an assembly language algorithm to replace strlen (i.e. find the first null byte in a .

26 Aug 2000 . Information about the QueryPerformanceFrequency function in the Windows API, geared towards the Visual Basic user.

3 posts - 2 authors - Last post: 8 Apr 2009[RESOLVED] [VS 2008] QueryPerformanceFrequency Access Violation Visual Basic .

12 Feb 2004 . QueryPerformanceFrequency and QueryPerformance counter, different in VB .NET than in V B6. Thread view: Tree View, List View (postings .

29 Jun 2003 . If you look at the disassembly it does (in pseudo-code): QueryPerformanceFrequency(&result) (do something with result) a = 0 if (result .

The QueryPerformanceFrequency function retrieves the frequency of the . Declare Function QueryPerformanceFrequency Lib "kernel32" (lpFrequency As .

QueryPerformanceFrequency reference for Network Programming in .NET with C# & Visual Basic .NET (VB.NET)

8 postsHas anyone used QueryPerformanceFrequency and QueryPerformanceCounter API .

To find out if it's available, and to find out its accuracy, use the QueryPerformanceFrequency() function. The QueryPerformanceCounter() function returns .

24 Jan 2002 . The QueryPerformanceFrequency function retrieves the frequency of the . Word Index links for the QueryPerformanceFrequency : .

You can get the performance counter frequency – i.e. ticks per second by calling QueryPerformanceFrequency(). Have a look at the sample CStopWatch class. .

20 Jan 2007 . If your system supports a high-resolution counter, you can .

30 Dec 2007 . For some reason I get a negative value from this function on some computers. I really can not switch to another function such as .

This function retrieves the frequency of the high-resolution performance .

8 Nov 2007 . QueryPerformanceFrequency() return value- C Programming. Visit Dev Shed to discuss QueryPerformanceFrequency() return value.

If the hardware does not support a high frequency counter .

2 posts - 2 authors - Last post: 24 Dec 2003GetTickCount vs QueryPerformanceCounter/QueryPerformanceFrequency API.

QueryPerformanceFrequency( &frequency ) ; QueryPerformanceCounter(&timer->start) ; are both 64 bit values. I used Visual C++ 6.0 to compile this code and .

50 postsHas anyone used QueryPerformanceFrequency and QueryPerformanceCounter API from VB. If yes could you please let me know how to do that. .

2 posts - 1 author - Last post: 19 Apr 2004After a search through the forums, I have seen that QueryPerformanceFrequency may or may not use RDTSC. I have also seen that the effective .

5 posts - 3 authors - Last post: 13 Oct 2008QueryPerformanceCounter vs. QueryPerformanceFrequency Use Visual C++ Programming .

8 Jun 2009 . I am currently Porting my application from Windows to Linux. In Windows there are 2 functions named: QueryPerformanceCounter .

7 posts - 5 authors - Last post: 18 Jul 2007I have an AMD Athlon that does a power-saving trick; it adjusts it's speed up to 30 times per second, to save on power.

27 Aug 2008 . In doing recent high accuracy timings, I've found that the Windows API call, QueryPerformanceFrequency, returns a constant nominal processor .

The QueryPerformanceFrequency function retrieves the frequency of the high- resolution performance counter, if one exists. BOOL QueryPerformanceFrequency( .

You can use the Win32 functions QueryPerformanceCounter and .

My bad,wher you have QueryPerformanceFrequency put QueryPerformanceCounter and vise versa.Also subtract time2 from time 1 not vise versa. .

5 posts - 4 authors - Last post: 3 days agoSo I want to know the QueryPerformanceFrequency() is base on the OS or the hardware? . QueryPerformanceFrequency() is irrelevant. .

A primary test pressurers could not assert this particularly influential period what happened but donrsquot.

I have a long standing program with the FAA that was running great until the .

QueryPerformanceFrequency The QueryPerformanceFrequency function retrieves the frequency of the high-resolution performance counter, if one exists.

It is a pair of win32 functions: QueryPerformanceFrequency and . Here are some results: Return value of QueryPerformanceFrequency Gemini: 3579545 Hz Vaio: .

Option Explicit Private Declare Function getFrequency Lib "kernel32" _ Alias " QueryPerformanceFrequency" (cyFrequency As Currency) As Long Private Declare .

8 posts - 7 authors - Last post: 1 Apr 2005Hi, After all the talk about nanoseconds and QueryPerformanceCounter/ QueryPerformanceFrequency I decided to look into the resolution of it .

A more accurate means of timing code is to use the high resolution timers provided by Windows - QueryPerformanceCounter and QueryPerformanceFrequency. .

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