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Subject: Rybka @ 64 bit

Author: Vasik Rajlich

Date: 01:14:02 03/27/04

Rybka 1.3
---
Athlon 3400+, 32 bit win XP: 1,201,030 nps
Athlon 3400+, 64 bit win server '03, 32 bit .exe: 1,201,030
Athlon 3400+, 64 bit win server '03, 64 bit .exe (win DDK compiler): 1,506,580

The speedup is around 20%.

There is a small hopefully-temporory caveat, something is choking the UCI output
under the 64 bit OS. When Rybka sends all of the UCI "info XXX" commands to the
GUI, the nps rate drops by about 20%! The above is with all UCI "info XXX"
commands disabled.

Vas

Re: Rybka @ 64 bit Russell Reagan 01:27:42 03/27/04
- Re: Rybka @ 64 bit Vasik Rajlich 01:36:52 03/27/04

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