Engine hash table usage
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No way does Bachmann look that hot
On a related note, here's a slightly amusing failure of age-group targeted advertising;
Big if a number less than 3 is big, and a lot of hash depending on the units.
@Whoever mods this-- feel free to delete/lock this thread any time now lol.
Jul 5, 2011
0
#107
@2_718281828459045
I've looked at my Arena. Set up a game between Rybka and Houdini. What is see is that both indicate a memory usage of a little more than the hashtable size. Both percentages for hashtable use are 0%. I suspect each engine uses it's own hashtable, and 4 engines would give you 4 seperate hashtables, adding up to a total memory usage of 4 times the hashtable-size you set in the options (default setting is 128)
Oh and I've used the ponder option, so they think at the same time. Opening up your task-manager will confirm that each engine has it's own executable running, using the indicated amount of memory.
It doesn't seem possible to give each engine a different hashtable-size.
(edit) I loaded 4 engines. But I'm confused as to what you are trying to do. How can 4 engines analyse the same thing and why would you want them to do that simultaniously?
Jul 5, 2011
0
#108
2_718281828459045 wrote:
I thought all the religious people were supposed to have disappeared to heaven on May 21 :S Dangit that quack my hopes up
@trysts -- you want me to say the word again don't ya, but i won't oblige :P
I'm pretty sure the rapture didn't happen yet. And even then, some believers will be left behind to preach the faith during the hardest times mankind is going to experience.
Jul 5, 2011
0
#109
MsJean wrote:
Reading this is so much Fun ! Thanks to all of you
After reading it today, those people were hilarious!
oinquarki wrote:
On a related note, here's a slightly amusing failure of age-group targeted advertising;
*sigh* I look at that picture and the first thing I see is that you use IE. I am about to hit quote and suggest the superior Chrome. And then I see the point of your post and cried a little bit.
kneejo wrote:
@2_718281828459045
I've looked at my Arena. Set up a game between Rybka and Houdini. What is see is that both indicate a memory usage of a little more than the hashtable size. Both percentages for hashtable use are 0%. I suspect each engine uses it's own hashtable, and 4 engines would give you 4 seperate hashtables, adding up to a total memory usage of 4 times the hashtable-size you set in the options (default setting is 128)
Oh and I've used the ponder option, so they think at the same time. Opening up your task-manager will confirm that each engine has it's own executable running, using the indicated amount of memory.
It doesn't seem possible to give each engine a different hashtable-size.
(edit) I loaded 4 engines. But I'm confused as to what you are trying to do. How can 4 engines analyse the same thing and why would you want them to do that simultaniously?
The hash table is _always_ something inside the engine (what you would call 'own' hash table). The UCI protocol that the engine uses to communicate with the GUI does define a command with which the engine can tell which fraction of its hash table is currently filled. Not many engines send that information, though.
It is to be considered an Arena bug that it displays 0% in case it does not receive the info from the engine.
A miracle! People responded to my question lol.
I shouldn't have mentioned the part about 4 engines, it was irrelevant and evidently a cause for distraction. I only said it to point out that some of my engines (including houdini) report greater than 0%, while others (like rybka) report 0%.
@HGMuller -- thanks! That was my guess but now I know, and my question is answered. So the tables ARE being used but their usage just isn't being reported, therefore my engines are functioning properly. I don't care about seeing the percentages, I normally don't even have that checkmarked in the output preferences.
Now you can all resume trolling or go back to your troll cave lol.
mrguy888 wrote:
*sigh* I look at that picture and the first thing I see is that you use IE. I am about to hit quote and suggest the superior Chrome. And then I see the point of your post and cried a little bit.
I normally do use Chrome, just this computer didn't have it.
Haha no worries, and thanks. A little threadjack-post usually doesn't do all that, but I guess the dominoes were just stacked perfectly on this occasion lol. I must tip my hat at your skillful display, it was an outstanding threadjack if judged by the number of tangent posts caused by it
Jul 5, 2011
0
#115
2_718281828459045 wrote:
Haha no worries, and thanks. A little threadjack-post usually doesn't do all that, but I guess the dominoes were just stacked perfectly on this occasion lol. I must tip my hat at your skillful display, it was an outstanding threadjack if judged by the number of tangent posts caused by it
hey, you never know. kneejo may have stumbled onto your threads becuase they are fans of the threadjackers. i know i have found threads that way, but i wont mention who.
Jul 5, 2011
0
#116
Well, I usually check the newest posts, because they are easier to read when only a few messages are in it. And I was interested, because I'm also experimenting with chess engines often.
But related to the jacking.. the ball was sneaked onto the court by someone else.. I only gave it a firm kick to get it rolling.. lol rolling.. 
Jul 5, 2011
0
#117
kneejo wrote:
Well, I usually check the newest posts, because they are easier to read when only a few messages are in it. And I was interested, because I'm also experimenting with chess engines often.
But related to the jacking.. the ball was sneaked onto the court by someone else.. I only gave it a firm kick to get it rolling.. lol rolling..
i think we all know who was rolling...errr....got it rolling.
trysts wrote:
2_718281828459045 wrote:
Lol yes that's the secret to their masterful play. But I would like all 4 of them to use it not just 2 :( help please ty
All I had was the "hash" joke, I can't really help
There's an e joke in there too, but you have to know where to look for it.
... and don't piss too hard Trysts. I'm with ya - but I'm also very much part of a culture that believes that without the resources and courage of U.S. forces ... the asian/pacific area would still be a cluster *&^%.