On Sun, Jun 13, 2010 at 12:51 PM, 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).
Do you know how much you gain from the extra logical cores (i.e., having two threads per physical core)? Erik _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
