Author: Robert Hyatt
Date: 13:23:53 12/05/03
Go up one level in this thread
On December 05, 2003 at 08:52:10, Anthony Cozzie wrote:
>Three questions:
>
>1. What is the performance of the hardware bitscan, that is:
>
>__asm("bsf %0, %1")
Note that is unsafe unless you make certain you never call it with
a bitboard of all zeroes.
>
>2. It would be very interesting to try again with the order of the masks
>changed. Eugene's version has an easy time of it because of the order (I
>think).
>
>3. Has anyone worked on optimizing popcount/FindMSB for the hammer?
>
>anthony
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