Author: Roy Eassa
Date: 13:29:34 09/21/03
Go up one level in this thread
On September 20, 2003 at 07:27:06, Tord Romstad wrote: >On September 19, 2003 at 14:33:57, Andreas Guettinger wrote: > >>>> >>>>I can not share your scepticism. I now from personal sources that my engine has >>>>very high NPS on a G5 1.6 Ghz machine. >>> >>>Thanks! This is good news! And this is a non-bitboard program? >>> >>>Tord >> >>It's basically not much more than a move-generator in 0x88 with a simple eval >>based on material balance. >> >>Here's the results a friend send me: >> >>G4 400Mhz: >> >>perft 5: 416kNPS >>search 10s: nodes = 1474004 NPS = 146k >> >>G5 1.8Ghz: >> >>perft 5: 1900kNPS >>search 10s: nodes = 6281000 NPS = 627k >> >>Hm, seem to be a pretty linear scale up 1800/400 = 4.5 times > >Thanks for the data. If my own program behaves similarly, I can expect >the 2 GHz G5 to be about as fast as a 2.4 GHz Pentium IV, and about 30% >slower than an Athlon XP 2.4 GHz. This is of course not very impressive, >but it is certainly a lot better than I feared. > Well, a _DUAL_ 2 GHz G5 should be pretty perky... I currently have a G4 running at 733 MHz. It's plenty fast for day-to-day use in OS 9, but disappointingly slow in OS X (especially the Finder). I made the mistake of getting the model without a L3 cache. I'm torn between selling it and getting a dual-2GHz G5 (which will NOT boot into OS 9) or keeping it and getting an accelerator card. I can boost it to 1.46 GHz (and 2 MB L3 cache) for around $500 and not have to worry about eBay or the pain of switching to Serial ATA and all the other annoyances in migrating to a new box. If money and desk space were not so precious, I'd keep the current Mac for OS 9 (which I prefer in most ways anyway) and my 15 years of legacy stuff, and buy the new one for OS X. I already have a KVM switch that I rely on heavily to switch my monitor, keyboard, mouse, and speakers between my Mac & my PC (and an old PC from early 1998).
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.