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Topic: Thinking out loud - optimizations (Read 188 times)
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Guardian_Tenshi
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Thinking out loud - optimizations
« on: September 22, 2004, 02:12:39 PM »
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I know porter wanted to start looking into optimizing alot of the chat line optimizations, that I guess because of all our other plugins are adding up? I feel like being in this Algorithm class that i should step up and help here. I like the idea of using a map for the swear filter, or even a binary tree. I think as long as we can write recursive funtions with loops we should be able to make/define container classes even if they aren't part of the Half-Life STL. If need be, I can start just trying to write some standard containers...operator overload would be nice, but no NEEDED.
Tenshi
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Grounded
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Re:Thinking out loud - optimizations
« Reply #1 on: September 22, 2004, 03:11:06 PM »
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You just blew my mind 
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PanchoDaz
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Re:Thinking out loud - optimizations
« Reply #2 on: September 22, 2004, 03:13:01 PM »
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You just blew my mind
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[Wumpa]
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Re:Thinking out loud - optimizations
« Reply #3 on: September 22, 2004, 04:11:10 PM »
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Unfortunately, I think Tenshi is overestimating what we have to work with.
To be honest, I have no way of accurately profiling (big word for "measuring") the performance of the server with and without plugins. Even if I did, I couldn't even venture a guess as to how much of an effect all of our plugins have, and on which components of the server engine that effect is the greatest.
As for optimizing, I think adding data structures would really only increase overhead. Again, Tenshi's perspective is different form mine, and if he had more familiarity with how AM plugins are written, he would probably understand the limitations imposed by the language better. To throw an example out there: a typical binary tree implementation could easily run to 1,000 lines of C code, but the average length of the plugins on CSR is 150 lines. Even the biggest ones don't go past 300 lines, and re-writing the plugins to USE a new data structure would likely ADD to that number. If optimizations are going to be made, I don't think this is they way it's going to happen.
I think our best bet right now would be to get a couple people really familiar with writing AdminMod plugins (Tenshi included) so that we can go back to our current set as a team and try to find optimizations that could be made in each plugin.
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[Wumpa] Porter
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Guardian_Tenshi
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Re:Thinking out loud - optimizations
« Reply #4 on: September 22, 2004, 11:53:15 PM »
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meh, i half expected you to say something like that 
but at least now i know where are going, and proved that every now and then i come up with a good idea...even if it won't work.
Tenshi 
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Re:Thinking out loud - optimizations
« Reply #5 on: September 23, 2004, 04:48:52 PM »
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Okay, so after your schoolwork and everything else you have to do, get to learning Small!
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[Wumpa] Porter
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Re:Thinking out loud - optimizations
« Reply #6 on: September 26, 2004, 10:39:24 AM »
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Something you might want to look into is which compiler for small you are using for all the plugins. If you have not heard of the JIT or ASM compilers, I might suggest looking into them if you are running so many plugins. Apparently the speed difference is outstanding, nearly cutting the CPU time by quarter!!! Unfortunatly I don't know if they will work with adminmod. They are currently advertising this to work with AMX and AMXX (ick). If you have never heard of these plugins, just think clanmod. I'm sure if you want to optimize your plugins, if this works then it will probably be your best bet. Best thing is, you don't need to learn anything, its the same coding used (from what I know) you just have to recompile and its done! I'll try to see what I can find for compatibility with adminmod.
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-=BA=- Through and through.
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[Wumpa]
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Re:Thinking out loud - optimizations
« Reply #7 on: September 26, 2004, 02:14:28 PM »
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A more efficient compiler could have a significant effect, but I guess I'm still stuck on the scale issue. We're only talking about a couple hundred lines of code apiece. I don't think there are that many different ways to compile a program that small written in a language that is that simple, but maybe I'm wrong. It's worth a shot, that's for sure.
At the same time, I don't think learning something is a bad idea, as I certainly wouldn't mind having a handful of people to handle bugs and feature requests instead of doing it all myself whenever I can find a spare bit of time. Having some of you learn Small can only be a good thing for everyone, regardless of whether we have a better compiler or not.
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[Wumpa] Porter
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Re:Thinking out loud - optimizations
« Reply #8 on: September 26, 2004, 02:58:49 PM »
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You'd be suprised at what they are claiming. Check this link out :
http://www.tcwonline.org/~dvander/bench.htm
The lower the number, the better (as stated in the document  ). If these are true, then you don't have to worry about recoding, but yes, having people that know SMALL is very important. You never know when you need something coded.
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Re:Thinking out loud - optimizations
« Reply #9 on: September 27, 2004, 07:01:49 AM »
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You should keep in mind though that the results are produced from a benchmark plugin iterating over 1,400,000,000 loops (that's one and a half BILLION btw). The most any of our plugins ever do is 160 (the number of maps on the server).
That's not to say it's not worth investigating still, just that scale is still a very large consideration. Did you find any other links for this stuff? Maybe to the JIT compiler homepage? I haven't really had time to look yet.
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[Wumpa] Porter
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Re:Thinking out loud - optimizations
« Reply #10 on: September 28, 2004, 12:52:43 PM »
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You can download AMXX to get the newest compilers. I havn't tried the compiler with AM though.
http://www.amxmodx.org/ - AMXX
http://www.compuphase.com/small.htm - Small Homepage
The small homepage is actually a good source for info. I think I'll test the JIT compiler with AM tonight and let you know what happens.
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Re:Thinking out loud - optimizations
« Reply #11 on: September 28, 2004, 02:19:57 PM »
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You should keep in mind though that the results are produced from a benchmark plugin iterating over 1,400,000,000 loops (that's one and a half BILLION btw). The most any of our plugins ever do is 160 (the number of maps on the server).
That's not to say it's not worth investigating still, just that scale is still a very large consideration. Did you find any other links for this stuff? Maybe to the JIT compiler homepage? I haven't really had time to look yet.
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1,400,000,000 loops eh? I do more than that before breakfast in the morning 
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Enialator
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Re:Thinking out loud - optimizations
« Reply #12 on: September 28, 2004, 02:22:54 PM »
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My God you might as well be naked you two, sucking helium and playing with the best erector set available for Nerds are cool too! 
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PanchoDaz
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Re:Thinking out loud - optimizations
« Reply #13 on: September 28, 2004, 02:33:00 PM »
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| 1,400,000,000 loops eh? I do more than that before breakfast in the morning |
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I used to - but then it just got a bit repetitive 
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