Author: Tom Kerrigan
Date: 22:34:50 04/07/00
Go up one level in this thread
On April 07, 2000 at 23:20:54, Robert Hyatt wrote: >>I still disagree. Didn't DB do a quick evaluation in ~4 cycles? So going back to >>my example, the time to search 2/5 capture moves using MVV/LVA is: >> >>generate moves = 2 * 2 >>make moves = 1 * 2 >>eval = 2 * 8 >>=> 22 cycles >> >>And if you use SEE: >> >>generate moves = 2 * 5 >>SEE = 5 * 5 >I don't see 5*5 cycles in SEE. I see 5 to enumerate the capturing pieces, >5 to minimax the score. 10 total... That is definitely cheaper than searching >a node, which takes 10 clock cycles in DB. Because in the above case you >would have to search up to 10 nodes (5 captures per side) which is 100 clocks. I meant that the SEE would take on average 5 cycles, and it would have to be done for 5 different moves. Searching a node might take 10 cycles for DB. And adding a SEE would add a significant number of cycles to many of those nodes. That's exactly my point. -Tom
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