I am surprised to hear that as I thought the i7 was a clear advance (clock for clock single core) over the older core 2 duo processors. Are you saying that the advancement is mostly in MP efficiency?
I think I have a chance to check that out as I'm putting together a dual motherboard i7 with 8 true cores. Maybe I will try fuego and run some timings. Don On Sun, Jun 13, 2010 at 6:51 AM, Matthew Woodcraft <[email protected]>wrote: > Mark Boon wrote: > > If an Intel i7 can do 200K playouts, let's show it. :) Should be > > relatively easy to verify. Anyone have an i7? > > Clock for clock, an i7 will typically be a bit slower (maybe 10%) than a > Core 2 for single-threaded playouts. > > This is what I see with my own program and with libego. > > There isn't much difference between the two cores, but the i7 takes 4 > cycles to read from level 1 data cache while the core 2 takes 3, and > this slows down anything that looks like linked-list traversal through > L1 cache (for example, capturing large groups). > > -M- > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >
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