PCI bandwidth test
Napsal: úte 23. bře 2010, 20:29
Na forech nvidia jsem vzal ten kod a naportoval ho do win. Kdo neveri pribaleny binarce, muze si to zkompilovat sam. Pouziti:
Je to pres cuda, takze jen nvidie.
Muj vysledek (790i, E8500, GTX295, 9800GTX):
Z nasledujiciho testu vyplyva, ze je uplne fuk, jestli mam dualni kartu nebo dve karty, pokud budou mit stejny frekvence, tak to pojede temer stejne, rozdil je mizivej.
ty cisla jsou jednotlivy kartyconcBandwidthTest 0 1 ...
Je to pres cuda, takze jen nvidie.
Muj vysledek (790i, E8500, GTX295, 9800GTX):
Kód: Vybrat vše
concBandwidthTest\Release>concBandwidthTest.exe 0 1 2
Device 0 took 3029.114258 ms
Device 1 took 3112.066895 ms
Device 2 took 2594.390869 ms
Average HtoD bandwidth in MB/s: 6636.200278
Device 0 took 2987.690186 ms
Device 1 took 3083.276611 ms
Device 2 took 2104.550781 ms
Average DtoH bandwidth in MB/s: 7258.865927Kód: Vybrat vše
(GTX 295, 9800GTX - ruzne sloty)
concBandwidthTest.exe 0 1
Device 0 took 2060.707764 ms
Device 1 took 2039.954956 ms
Average HtoD bandwidth in MB/s: 6243.053242
Device 0 took 2050.849854 ms
Device 1 took 2025.542725 ms
Average DtoH bandwidth in MB/s: 6280.304515
(GTX 295, soubezne obe pameti)
concBandwidthTest.exe 0 1
Device 0 took 2102.058838 ms
Device 1 took 2146.338623 ms
Average HtoD bandwidth in MB/s: 6026.456219
Device 0 took 1962.927246 ms
Device 1 took 2059.891602 ms
Average DtoH bandwidth in MB/s: 6367.396290