Bandwidth is one aspect of an interconnect. Other aspects are
of course latency, CPU overhead etc etc. Some application will
benefit from the latency, and some form bandwidth and some
from a combination of all. Weather codes will show great benefits,
and also CFD, rendering, bio codes (NAMD etc), Monte Carlo simulations
and even mathematica users. Just a partial list.
duh.
IB for gaming? I have one ratio: 1e-1/3e-6. that's human
reaction time versus IB latency.
Oh yes... I guess you did not play for a long time. Did you? Talk
I understand human psychophysics and I understand cluster performance.
I have never spent much time playing games. it is perhaps ironic that
my wife is a psych professor who _does_ actually study psychophysics
and behavior, including gaming. humans really do run at only about
100 Hz, so whether the interconnect is 1 or 50 us is really really
not going to make a difference.
with someone who suffer from lagging and you will get the story, even
I suspect you are referring mainly to wide-area gaming, which is
so entirely different as to be not comparable. it's certainly true
that wide-area gaming suffers network issues, but isn't that equally
obvious? cable-modem congestion, for instance, or geographic
timelag has no bearing on this IB-gaming idea.
When he has a great video card. It's the network and the CPU overhead
that are the cause of this issue
thanks for reiterating the obvious again.
PS: does anyone have first-hand experience with ConnectX performance?
I do, but you probably want to hear from Myricom ... :-)
why the heck do you think I did not mean exactly what I said?
I would be most interested in hearing from someone who has bought
and is using a connectx cluster, especially the latency they experience.
in fact, my comparison would be to our elan4 clusters.
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