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Thread: Èçïîëâàíå íà GPU çà èç÷èñëåíèÿ
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25th August 2006 11:07 #1Registered User
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Location: Ñîôèÿ
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Èçïîëâàíå íà GPU çà èç÷èñëåíèÿ
http://folding.stanford.edu/FAQ-highperformance.htmlWhich GPUs will be supported? We have not made any final decisions on this issue. However, our software will likely require the very latest GPUs from ATI (especially now that the newest ATI GPUs support 32 bit floating point operations). Previous work of ours used NVIDIA GPUs as well, but we have now concentrated on ATI GPU's as they allow for significant performance increases for FAH over NVIDIA's GPU's (at least at the current generation). Our GPU cluster has 25 1900XT's and 25 1900 XTX's. We find a considerable performance increase of 1900XT's even over 1800XT's, due to the architectural differences between the R580 and R520 GPU's. Our code will run on R520's, but considerably more slowly than R580. We're very much looking forward to trying out R600's.
õììì, ìîæå áè òîâà ùå å ïúðâîòî ïðèëîæåíèå íà íîâîñòèòå â Ð5õõ, â êîåòî àðõèòåêòóðàòà ùå ñå îïðàâäàå
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25th August 2006 11:13 #2
Ìíîãî ñèëíî
Òîâà å äà ïîëçâàø âèäåî êàðòà íå ïî ïðåäíàçíà÷åíèå...
Ar4i
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25th August 2006 12:55 #3
Åäíî âðåìå ïîëçâàõìå ïðîöåñîðèòå çà 3D
Ïðåäè íÿêîëêî ãîäèíè áÿõ ÷åë åäíî ñðàâíåíèå, ìàé âúâ PC MANIA áåøå - GF6600GT = P4 10GHz... Ïðàâåõà ñìåòêè íà èç÷èñëèòåëíàòà ìîù è ò.í., äàäîõà ñðàâíåíèå ÷å äà äà ñå ïðåñúçäàäúò âñè÷êèòå åôåêòè êîèòî ãè ìîæå GPU-òî íà 6600 å íóæåí P4 10GHz... À àêî òîâà ñå êîìáèíèðà ñúñ åäèí FPU êàêâî ëè ùå ñòàíå?
Asus P8Z77-V LX/i7-3770K @ 4,3GHz/be! quiet Dark Rock Pro/MSI GTX680 TwinFrozr OC 2GB/4x8GB Kingston @ 2133MHz - 10-11-13-30/HP P400 + 5x SAS 450GB@RAID5/Corsair TX750M/Fractal Design Define R5/XMOS DAC PCM56->12SN7/807 tube amp->Infinity Renaissance 80
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25th August 2006 14:31 #4
Àç ïðåäëàãàì íàïðàâî äà ñïèðàò ïðîèçâîäñòâîòî íà ïðîöåñîðè...
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25th August 2006 14:46 #5Registered User
Join Date: Sep:2005
Location: ÑÔ
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nvidia èìàò ñàìî 16bit float precision è íå ñå ïîäúðæàò, ñìåõ, êîãà ùå âèäèì 32bit è ïðè òÿõ
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25th August 2006 14:59 #6Registered User
Join Date: Jul:2001
Location: Ñîôèÿ
Posts: 15,344
íåùî ñè ñå îáúðêàë

â 16 áèòà íèêàêâà ïëàâàùà çàïåòàÿ íå ìîæåø äà âêàðàø.
4 áàéòà èëè 32 áèòà å ìèíèìóìà çà ïàêåòèðàíå íà ÷èñëî ñ ïëàâàùà çàïåòÿ.
8 áàéòà èëè 64 áèòà å òàêà íàðå÷åíàòà "äâîéíà òî÷íîñò", êîÿòî ñå ïîëçâà â ñåðèîçíèòå ñèìóëàöèè è ò.í.
Îòòàì å è ëåãåíäàòà ÷å 64-áèòîâèòå ìàøèíè ñà "ïî-ñåðèîçíè"
CoreDuo@MacosX




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