[Computer-go] intel i5 760 vs amd Phenom II X6 1055T
uurtamo at gmail.com
Mon Nov 29 05:02:10 PST 2010
> OTOH the tree search part is entirely different, very heavy on floating
> point arithmetics (IIRC, most of the time in this part is spent taking
> the square roots; overally, tree search is taking 1/4 to 1/3 of the
> runtime, a significant amount; of course the balances may be different
> in other programs with heavier/lighter playouts).
are these float operations necessary? if they're taking place at the
same time as independent integer operations, pipelining on some cpus
could take advantage of that, but otherwise it seems like a lookup
table would be faster.
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