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Old 09-02-2013, 21:49   #1
tphase
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Default Multi Core PI

Multi Core PI este un benchmark care foloseste Bailey–Borwein–Plouffe formula pentru a calcula zecimalele lui PI. Este scris in Visual C++, MFC si Win32 API.

De asemenea este puternic optimizat pentru multithreading, aceasta versiune beneficiind de o optimizare foarte buna pentru N core-uri fizice / logice.



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Old 09-02-2013, 22:53   #2
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Old 13-02-2013, 18:11   #3
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Pare sa nu reactioneze prea grozav la latente.

Click image for larger version

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ID:	34001 Click image for larger version

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De ce a disparut iar MultiCore Prime de pe HWBot?
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Old 13-02-2013, 18:50   #4
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Quote:
Originally Posted by stivut View Post
De ce a disparut iar MultiCore Prime de pe HWBot?
Pentru ca a renuntat la el?
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Old 13-02-2013, 21:32   #5
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Quote:
Originally Posted by stivut View Post
De ce a disparut iar MultiCore Prime de pe HWBot?
Am obtinut cu Multi Core Prime experienta si o paralelizare excelenta. Insa, datorita algoritmului simplu, nu reusea sa ofere rezultate concludente privind diferentele reale intre diferite procesoare.

Avand aceasta dorinta si experienta acumulata, am revenit la Multi Core PI.

De data aceasta, pe langa complexul algoritm pe care il foloseste pentru a calcula zecimalele lui PI folosind Bailey–Borwein–Plouffe formula, Multi Core PI beneficiaza si de o optimizare excelenta pentru parallelism.

PI paralelizat si scalabil pe N core fizice / logice.
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Old 13-02-2013, 21:45   #6
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Old 13-02-2013, 22:10   #7
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un link de download?
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Old 13-02-2013, 23:10   #8
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Vezi primul post.
http://www.pcgamingxtreme.ro/
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Old 14-02-2013, 00:55   #9
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aha ms
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Old 14-02-2013, 13:17   #10
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OK, am implementat si criptarea fisierului XML generat. Versiunea curenta este 2.101. Am facut si un test de upload pe HWBOT cu datafile-ului criptat.

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Last edited by tphase; 14-02-2013 at 13:27.
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Old 14-02-2013, 17:57   #11
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hmm va ajunge pe hw bot ?
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Old 14-02-2013, 19:16   #12
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Quote:
Originally Posted by [Wanted] View Post
hmm va ajunge pe hw bot ?
http://hwbot.org/submit/benchmark/multi_core_pi/
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Old 14-02-2013, 21:40   #13
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ms
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Old 15-02-2013, 09:05   #14
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Quote:
Originally Posted by [Wanted] View Post
hmm va ajunge pe hw bot ?
http://hwbot.org/benchmark/multi_core_pi/

Avem deja 37 de submisii
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Old 15-02-2013, 11:37   #15
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Am scos slider-ul & new look

Setarea implicita este 80k zecimale. Targetul este HWBOT si trebuie sa ma asigur ca toti userii dau bench cu aceeasi setare.

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Last edited by tphase; 15-02-2013 at 16:33.
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Old 18-02-2013, 13:00   #16
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In screen-ul de mai jos am 19 secunde si 69 milisecunde, iar fisierul salvat de program mi-a pus pe HWBot 19 secunde si 690 milisecunde. Diferenta e colosala!
Cred ca se vede dupa frecventa si voltajul procului ca nu poate sa fie bug.
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ID:	34102

http://hwbot.org/submission/2357988_

Mi-am omorat procesorul pt rahatul asta de scor, nu pot accepta asemenea erori.

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Old 18-02-2013, 14:37   #17
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Are dreptate stivut in cazul asta,este cel mai urat lucru care ti se poate intampla.La fel am patit si eu cu un scor de aquamark si cu wrapper-ul ***** in mijlocul sesiunii cu dice, un scor de 472k s-a dus pe apa sambetei.
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Old 18-02-2013, 20:43   #18
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Quote:
Originally Posted by stivut View Post
In screen-ul de mai jos am 19 secunde si 69 milisecunde, iar fisierul salvat de program mi-a pus pe HWBot 19 secunde si 690 milisecunde. Diferenta e colosala!
Cred ca se vede dupa frecventa si voltajul procului ca nu poate sa fie bug.
Attachment 34102

http://hwbot.org/submission/2357988_

Mi-am omorat procesorul pt rahatul asta de scor, nu pot accepta asemenea erori.
Ai PM man, rezolvam. Si multumesc pentru atentionare.

Am corectat codul, am publicat noua versiune pe site.

Code:
		strMilliseconds.Format(_T("%d"), nMilliseconds);

		CMultiCorePIDlg::strResult = L"";
		CMultiCorePIDlg::strResult.Format(_T("%d"), nSeconds);
		CMultiCorePIDlg::strResult.Append(L".");
		
		if(nMilliseconds < 10)
		{
			CMultiCorePIDlg::strResult.Append(_T("00"));
		}

		if((nMilliseconds >= 10) && (nMilliseconds < 100))
		{
			CMultiCorePIDlg::strResult.Append(_T("0"));
		}

		CMultiCorePIDlg::strResult.Append(strMilliseconds);
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Last edited by tphase; 18-02-2013 at 21:13.
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Old 18-02-2013, 21:49   #19
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Totul s-a rezolvat, si ma bucur extraordinar ca m-ai ajutat ca sa nu mai refac testul.
Multumesc frumos!

http://hwbot.org/submission/2358123_...calculate=true

Last edited by stivut; 18-02-2013 at 22:34.
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Old 18-02-2013, 22:36   #20
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Quote:
Originally Posted by stivut View Post
Totul s-a rezolvat, si ma bucur extraordinar ca m-ai ajutat ca sa nu mai refac testul.
Multumesc frumos!

http://hwbot.org/submission/2358123_...calculate=true
Placerea a fost de partea mea.
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