On 11/5/12 8:50 AM, "Douglas Eadline" <deadl...@eadline.org> wrote:
> >--snip-- > >>> >>>More interesting is the ECC discussion. >>> >>>ECC is simply a requirement IMHO, not a 'luxury thing' as some >>>hardware engineers see it. >> >> Depends on your computational model. Would you rather spend money on >>ECC >> or on more processors? >> ECC comes at a cost in speed as well. There is some non-zero time >> required to compute the syndrome bits and do the correction on the read. >> Sure, you can pipeline it, but there's some extra latency inevitably >> added. >> > >I find it interesting that many users thought GPU's could not be >a research tool unless they had ECC memory. I have one associate who >turns it off because they get 10% better performance on their >Amber runs. > Precisely... Assuming one can tell if one's simulation results are "good", this is a good strategy. _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
