Author: Robert Hyatt
Date: 07:56:36 04/29/01
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On April 29, 2001 at 04:01:32, Uri Blass wrote: >On April 29, 2001 at 03:39:53, Bruce Moreland wrote: > >>It seems clear why it wasn't invited to participate: >> >>1) The organizer is going to use a multiprocessor machine. >>2) Fritz and Junior run on a multiprocessor machine. >>3) Tiger is known to not run on such a machine. >>4) Tiger is very strong, but if it is stronger than Junior or Fritz, it's >>probably not stronger by much. >>5) A multiprocessor machine should produce a significant performance boost. >>6) It is hoped that the event will produce an "accurate" winner. >> >>If you allow these points, you can make a case that Tiger on a single processor >>can't be stronger than Junior or Fritz on a multi. > >I understood that tiger can use more than one processor. > This is speculation. Ed/Christophe did two things wrong, _assuming_ they have an SMP tiger: 1. Neither mentioned it _anywhere_. They chose to "keep it a secret" for some supposed "surprise value" at a tournament in the future; 2. Christophe has gone on record _several times_ saying SMP is not needed, it is the "wrong way" and so forth. They chose secrecy over openness, and now to complain is disingenuous to the max. BG is suppose to be able to read minds? I have already stated my opinion about the qualifier previously. But not inviting RG (IMHO) is _not_ a point that should be argued. If the company chose to keep the product secret, they made a mistake as we now know. Too bad... >I guess that Tiger could earn less than Fritz or Junior because of the fact that >Christophe and Ed had not enough time to optimize tiger for more than one >processor but it still can earn something from more than one processor. If it really exists. Do you have any evidence? Have you seen it play? I would not worry about "a pig in a poke"... > >I am interesting to know how much tiger earns from more than one processor. > >If there is a parallel version it is easy to compare both versions at least in >test positions and to give an estimate how much is it faster on 2 processors. They wouldn't reveal that they even _had_ an SMP version. You think they will reveal how it _performs_ on SMP hardware. :) > >I guess that for most programs like Junior or Fritz the number is something like >1.7 times faster. > >Uri
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