Author: Ed Schröder
Date: 11:30:19 10/25/04
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On October 25, 2004 at 09:21:29, Albert Silver wrote: >>I had some informative talks with the ChessBase crew. They could not explain the >>phenomenon I addressed but they found the issue interesting enough to do some >>research themselves. >> >>On the issue of Yace and its loss in speed let me quote the words of Mathias >>Feist (with permission) as a whole: >> >> >> Quite some time ago I already wrote an article about that, but I don't >> remember where. I think it may have been some ChessBase Magazine. >> >> It's indeed a problem with processor time distribution. The foreground >> process gets considerably more processor time than the background >> processes. >> >> If you play two Fritz engines against each other, you won't have a >> problem because both are running in the same process. If you are running >> two UCI engines against each other, both have their own process and >> therefor no problems occur either. You have to watch out if you have a >> Fritz and an UCI/Winboard engine playing each other. >> >> Switching the processer time distribution to optimization for background >> processes would work, but generally it's not a good idea. It distributes >> processor time evenly and makes the computer hard to operate. >> >> The UCI engine will be running in the background. Now, if Fritz is in >> the foreground, the Fritz engine will receive more processor time. All >> you have to do is to push the GUI into the background after starting the >> match. The easiest way to do this is to open the task manager and have >> it in the foreground (=title bar blue). Nice thing is that you can >> easily monitor processor time distribution this way, too, because the >> UCI engine appears in the process list together with Fritz. >> >> Mit freundlichen Grüßen >> Best regards >> Mathias Feist >> ChessBase GmbH >> >>========= >> >>If I have understand his words correctly the solution would be to put the match >>directly after it has started on the taskbar. >> >>Cherio, >> >>Ed > >I'm not 100% I understood, so correct me if I didn't. The solution is to start >the match _as_soon_ as the GUI is opened? I couldn't quite understand the >foreground comment as the GUI is already in the foreground when you are using >it, so the explanation wasn't clear to me. > > Albert This is what I have undertood, you start the match and then put it on the taskbar (is background!?) by clicking on the Minimize button in the upper right part of the window. Ed
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