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Important memory Tweak info!!! [UBERO]
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Junior Member
Join Date: Oct 2001
Location: Tempe, AZ
Status:
Offline
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Hi this is geoff, the creator of the memory tweak (I love taking credit). I noticed in other threads that some of you with obscene amounts of memory are giving ubero upwards of 900mb!!!! Now I know than more is usually better but there is such a thing as too much of a good thing. It should be noted then, that I have recently found the java release notes from apple. They tell me that if more than 580 mb is allocated to a java app it may become unstable and crash. This # has been moved up to 980 by the new 1.3.1 update 1 but still, I don't think 900 will help that much more than just 200mb. I also read that the update makes the -server flag functional which is basically the same thing as the memory tweak only a professionally balanced version (this is what the pc users use). to use the -server if you were so kind as to update your java, start ubero like this: java -server -cp Agent.jar ubero.agent.Agent -text. This way you don't have to worry about balancing the memory tweak and you should get just as much if not more of a performance boost. Anyway, I gotta run so if you have any other questions or if you want to read the release notes let me know and i will find them again and post the address.
see ya, lets make MacNN FIRST
Geoff
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Forum Regular
Join Date: Feb 2000
Location: Somewhere in my head. Maybe.
Status:
Offline
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Ok, so I downloaded the Java update. So what do I use to launch Ubero via terminal?
Old way:
nice +20 nohup java -Xms300m -Xmx300m -XX:NewSize=100m -XX:MaxNewSize=100m -cp Agent.jar ubero.agent.Agent -text >/dev/null &
Do I just remove the memory stuff and it will be just as fast or faster/
Seems too good to be true!
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Forum Regular
Join Date: Feb 2000
Location: Somewhere in my head. Maybe.
Status:
Offline
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BTW, I did some overnight testing in the beginning of the memory tweak discovery, and posted the results then.
To recap about how much memory to use:
The standard settings of <BLOCKQUOTE><font size="1"face="Geneva, Verdana, Arial">code:</font><HR><pre><font size=1 face=courier> -Xms300m -Xmx300m -XX:NewSize=100m -XX:MaxNewSize=100m </font>[/code] works the best.
The testing machine was a G4/500 (single processor) with 1.3 GB of RAM. I tried doubling it and reducing it. Reducing led to slower times as expected, and doubling it also created a slowdown, and seemed less efficient. Plus, it cramped the usability of the machine while it was running Ubero.
YMMV!
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Junior Member
Join Date: Oct 2001
Location: Tempe, AZ
Status:
Offline
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If you have the update installed use -server instead of -Xms300m -Xmx300m -XX:NewSize=100m -XX:MaxNewSize=100m and post your results.
Geoff
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<wangdoodle>
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please help me,
i dont know why i cant get UBERO to run in command line on my windows xp machine
anyone know what i have to do?
i want to squeeze out every bit of juice i can
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Junior Member
Join Date: Oct 2001
Location: Tempe, AZ
Status:
Offline
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this is easy i think as long as it is the same as it is in 2000.
You need to open up a command prompt window (startmenu>applications>accessories>comma ndprompt?) and type the following replacing stuff in quotes with your specifics:
cd "folder where ubero is" (usually /program files/ubero? could be different on xp) then type java -cp Agent.jar ubero.agent.Agent -text. This is all case sensitive by the way. There are different tweaks to get more out of ubero on windows but I wont go into them here as they are detailed on the ubero foums (http://forums.ubero.com)
Geoff
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Mac Elite
Join Date: Sep 2001
Location: Chico, CA and Carlsbad, CA.
Status:
Offline
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Originally posted by doggkruse:
<STRONG>this is easy i think as long as it is the same as it is in 2000.
You need to open up a command prompt window (startmenu>applications>accessories>comma ndprompt?)</STRONG>
I don't know the answer to his question, but I know how to open up a command prompt.
From the "Run" menu, type: command
That's all... then you should be able to follow doggkruse's directions to get Ubero flowin'. (I use Windows in my AP Computer Science class in high school, I would never be caught dead owning one)
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"In Nomine Patris, Et Fili, Et Spiritus Sancti"
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Senior User
Join Date: Jan 2001
Location: San Francisco, CA
Status:
Offline
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Dog... could you repost from the beginning how things stand with the new memory tweak.. I just don't know UNIX well enough to follow the conversation fer diddly.
Thanks.
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Forum Regular
Join Date: Feb 2000
Location: Somewhere in my head. Maybe.
Status:
Offline
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BAD NEWS!
Just got in and looked at the results of -server vs. the memory tweak:
Test machine: G4/800DP running 2 instances of Ubero
Ubero1: Memory tweak @ 300 (std) - 56 units in 5hrs 50 min
Ubero2: -server, no memory tweak - 43 units in 5hrs 50 min
These are units completed since the midnight PST rollover.
Keep the memory tweak running, or add the memory tweak to -server? Something to try to figure out!
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Junior Member
Join Date: Oct 2001
Location: Tempe, AZ
Status:
Offline
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I guess that means the memory tweak is still faster....
The -server option enabled in the update is equivalent to using 128 mb in the memory tweak
Geoff
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Senior User
Join Date: Feb 2001
Location: Chattanooga, TN
Status:
Offline
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I changed both clients to the -server tweak and my production has dropped a ton. I lost about 35 W/Us per processor on my Dual 800. I'm going to bump it back to my previous memory tweak values.
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Yeah, about those TPS reports, didn't you get the memo?
--------------
2.3 Ghz Dual-Core G5/20" LCD/Life is Good!
Moo...
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Mac Elite
Join Date: Jul 2001
Status:
Offline
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I'm running a little slower. It's going 105 units a day instead of 110. I'll stick with the -server.
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Actual conversation between UCLA and Stanford during a login on early Internet - U: I'm going to type an L! Did you get an L? S: I got one-one-four. L! U:Did you get the O? S: One-one-seven. U: <types G> S: The computer just crashed.
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