I have the version 232a 64bit and 32bir goes Windows.
Will I have to buy other version for using in Linux? Where do I find?
Another question is as for the books. Can the books ctg that I use in the windows use in Jose Linux?
Is the jose linux stableer than goes him Windows?
I thank help in that sense. I need to decide if it is advantage for me to do this system migration.
In case somebody has information on this subject, please share.
I thank all for the cooperation.
At the moment there is no special Linux version for Rybka, but there may be a version for Linux in the future.
Since Linux distributions (I use Ubuntu, my brother Debian, I can recommend both :) , but Debian seems to be better for advanced users and Ubuntu for newbies ) have some advantages if compared to Windows (for Ubuntu/Debian: easier installation of programs, more stable system, less hardware ressources needed by the OS, it's for free, you can change much more than in Windows (since it's open source...), no problems with viri, ...) it's definetly good to migrate with your system to Linux.
The only problem can be computer games, since they are programmed for Windows in the most cases and WINE has sometimes problems to start them, espacially if the games need Direct X. And if you have bad luck and your hardware has no drivers for Linux, there can be also problems, but in the most cases there is also a solution for this (on my system everything worked right away).
Since the most chess software can be used with Wine, I use Linux since ~ 1 year and I'm happy with it :)
An alternative would be to isntall Linux AND Windows, so that you can use the Windowsprograms which don't run with WINE, too. I recommend this, because e.g. TV-Chessbase needs Windows and I can start Windows for 1 hour to watch it.
I ask if you use Rybak 64bit in her linux.
In any way, I am making my tests with Ubunto. I believe that Wine will solve many of my initial problems.
I ran Windows XP pro 32-bit on one partition, and probably ubuntu on the other. The Window OS was used for chess only, so it was thin (no antivirus, no other software, and I used to disable some of the trash services by microsoft). In (probable) ubuntu I ran GNOME, with the standard features.
I tested rybka x.x (I do not remember the version, but certainly a single core 32 bit) Kn/s in ten different positions, sampling the time at 5 distinct depths.
I used the the arena, although a fast test showed it was about the same with shredder gui. Hash 256 MB, cleaned after each position.
Rybka in linux was about 1 or 2 % faster then rybka in windows., in all of the positions. I also posted some (link to) screenshots on the old forum. Maybe someone can get the link. Since I was more than satisfied with the result, now I only run linux on my PC (chess was the only reason for having windows). In linux, once I did a little test between different environments. Using a thin window manager, you can probably get another 1% speedup or so, on a pentium4 hardware. Note btw that the difference is basically irrelevant on the pentium4 hardware, and it should be even smaller on faster processors (although vista exploits more resources than XP).
I am not sure that the wine or microwine implementations can be so effective for multicore or 64 bit. I expect the result to be largely independent of the engine/chessGUI. On the wine website, you find some benchmarks for wine vs windows. These benchmarks are quite reliable. Quite a while ago the situation was: wine slightly faster for non 3D stuff; windows much faster in 3D stuff. I do not remember why they had problems with 3D, but come on, you do not expect an emulator (ok, wine is not an emulator) to be faster than the original.
> Quite a while ago the situation was: wine slightly faster for non 3D stuff; windows much faster in 3D stuff. I do not remember why they had problems with 3D, but come on, you do not expect an emulator (ok, wine is not an emulator) to be faster than the original.
Drivers, maybe? The open-source graphics card drivers just aren't competitive (in speed), and the proprietary ones have their own problems.
In fact, it has the potential to be faster, for two reasons: First, it can use a larger hash if you have the RAM (microwine patches the Rybka code to fix an overflow bug), and second, it enables huge pages if your system supports it. The latter only helps for relatively large hash sizes, though.
/* Steinar */
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