Author: Andreas Guettinger
Date: 13:55:05 05/24/05
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On May 24, 2005 at 16:27:02, Dieter Buerssner wrote: >On May 24, 2005 at 16:10:40, Andreas Guettinger wrote: > >>Dieter, are you using a developmental version of Yace, right? >>I tried this position with the linux version of Yace_PB, but it calculates a lot >>more nodes to reach the same depth. Also it reports a mate in 20. > >I used 0.99.87 (very slightly changed, I am pretty sure, it won't make a >difference). I did not release that version for Linux. I have created it, and >sent it to few people by email. I got zero feedback, and did not test it myself. >So, I did not want it to be publically available without any testing. > >Anyways, what HT size were you using? Did you set "tb_u 4" (for example at the >yace prompt before you type analyse. Expect lots of HD noise ...; Yace will not >try too hard to find "short" mates, when really good score is already certain. >Som HT luck can also be involved. So I of course think, your result is possible. >For me, it is not much different, from the result I have shown.) Did you use >"bitbases"? > >At the moment, I cannot try myself. My keyboard broke. I could not get an old >fashioned PS2 keyboard conveniently. So I bought an USB keyboard - with the >consequence, that I cannot boot Linux anymore. At the time my boot loader starts >(Grub), it seems not to be possible, to stear it by the keyboard anymore. (BIOS >setup works well with the USB keyboard). I was too lazy, to investigate the >problem. > >Regards, >Dieter I used 40M of HT, and the default egtb_cache of 2M. The hardisk was working like crazy. I don't really know what bitbases is, but I left all the other options at the default. I only have 3,4,5 men TB. Was just wondering, because until the mate announcement, your version had to look only at half the nodes for the same depth. So I thought maybe you improved it a lot. thanks Andy PS: in some BIOS there is an option 'use USB keyboard' that you have to enable first.
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