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  1. #1
    Registered User
    Join Date: Jul:2001
    Location: Ñîôèÿ
    Posts: 10,936

    Èçïîëâàíå íà GPU çà èç÷èñëåíèÿ

    Which 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.
    http://folding.stanford.edu/FAQ-highperformance.html


    õììì, ìîæå áè òîâà ùå å ïúðâîòî ïðèëîæåíèå íà íîâîñòèòå â Ð5õõ, â êîåòî àðõèòåêòóðàòà ùå ñå îïðàâäàå

  2. #2
    Master of Magic Ar4i's Avatar
    Join Date: Nov:2001
    Location: Ñîôèÿ
    Posts: 6,563
    Ìíîãî ñèëíî Òîâà å äà ïîëçâàø âèäåî êàðòà íå ïî ïðåäíàçíà÷åíèå...
    Ar4i

  3. #3
    Unknown User Milen_Haskovo's Avatar
    Join Date: May:2005
    Location: Ñîôèÿ / Õàñêîâî
    Posts: 1,756
    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

  4. #4
    Registered User Phantom's Avatar
    Join Date: Oct:2004
    Location: Ñîôèÿ/Áóðãàñ
    Posts: 1,626
    Àç ïðåäëàãàì íàïðàâî äà ñïèðàò ïðîèçâîäñòâîòî íà ïðîöåñîðè...

  5. #5
    Registered User
    Join Date: Sep:2005
    Location: ÑÔ
    Posts: 6,924
    nvidia èìàò ñàìî 16bit float precision è íå ñå ïîäúðæàò, ñìåõ, êîãà ùå âèäèì 32bit è ïðè òÿõ

  6. #6
    Registered 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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