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  1. #1
    breaknenter's Avatar
    Join Date: May:2007
    Location:
    Posts: 5,942

    . n. , . , , .. m. ?

  2. #2
    Bombera's Avatar
    Join Date: Jul:2001
    Location: 4EVA
    Posts: 13,833
    ( , , RDTSC ), , :
    Code:
    LARGE_INTEGER liStart, liEnd, liSummary;
    
    _asm{
    		rdtsc
    		mov liStart.HighPart, edx
    		mov liStart.LowPart , eax
    }
    // rabotata tuka
    _asm{
    		rdtsc
    		mov liEnd.HighPart, edx
    		mov liEnd.LowPart , eax
    }
    
    liSummary.u = liEnd.u - liStart.u;
    Win64 __asm _rdtsc(), 64- . Win32. LARGE_INTEGER e 64- , ULONG64 __int64, . ( , - ) . , .
    , . IRQL<=DISPATCH_LEVEL , . , , .
    .
    Last edited by Bombera; 22nd December 2008 at 17:15.
    EVGA X299 FTW K|i9-7960X@4.7|4x8 Patriot Viper Steel 4000|GTX 1660 Ti|970 EVO 1 TB|Seasonic Focus GX-1000|Xigmatek Elysium|
    Rampage IV Extreme BE|E5-1680v2@4.7|4x4 HyperX 1866|Cougar Aqua 240|GTX 1050 Ti|970 EVO 1/4 TB|CM 850 SilentPro|HAF-X|

  3. #3

    Join Date: Sep:2005
    Location: Sofia
    Posts: 18,517
    . , , , .. -
    , .

  4. #4
    Bombera's Avatar
    Join Date: Jul:2001
    Location: 4EVA
    Posts: 13,833
    , . ( )
    A RDMSR, WRMSR - , .
    Interlocked , spin_lock , .
    Last edited by Bombera; 22nd December 2008 at 19:01.
    EVGA X299 FTW K|i9-7960X@4.7|4x8 Patriot Viper Steel 4000|GTX 1660 Ti|970 EVO 1 TB|Seasonic Focus GX-1000|Xigmatek Elysium|
    Rampage IV Extreme BE|E5-1680v2@4.7|4x4 HyperX 1866|Cougar Aqua 240|GTX 1050 Ti|970 EVO 1/4 TB|CM 850 SilentPro|HAF-X|

  5. #5

    Join Date: Sep:2005
    Location: Sofia
    Posts: 18,517
    . x86

  6. #6

    Join Date: Apr:2006
    Location:
    Posts: 8,666
    Pentium time-stamp RDTSC. ... .

    , :
    http://www.ecrypt.eu.org/ebats/cpucycles.html

    , Bombera, :\
    Last edited by smelkomar; 22nd December 2008 at 21:18.

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