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Go On Then, Explain This One!
Subject: Go On Then, Explain This One!
Author: TrickyRic    Posted: 2005-03-25 17:49:40    Length: 1,796 byte(s)
[Original] [Print] [Top]
heh, for a test i checked my free memory both before and after playing americasarmy for a good hour or so... i didn't expect to be using LESS at the end though!

CODE

[trickyric@Athlon2200 ~]$ free -m
             total       used       free     shared    buffers     cached
Mem:          1011        726        284          0        442        179
-/+ buffers/cache:        104        906
Swap:         1999          0       1999
[trickyric@Athlon2200 ~]$ cd armyops
[trickyric@Athlon2200 armyops]$ sh armyops
Received invalid actor class
[trickyric@Athlon2200 armyops]$ free -m
             total       used       free     shared    buffers     cached
Mem:          1011        721        290          0        318        309
-/+ buffers/cache:         93        918
Swap:         1999          0       1999

----
Laptop: 2GHz Acer Aspire 9301AWSMi, 1GB DDR2, 17" TFT, 256MB GeForce Go 6100
Sold Development System:
2GHz AMD Opteron 246, Socket 940 Asus K8N-DL
Server System: 1.2GHz AMD Athlon, Socket 462 Apollo KT133 VT82C686
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Subject: Go On Then, Explain This One!
Author: hackeron    Posted: 2005-03-26 12:19:21    Length: 683 byte(s)
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Unlike Windows, Linux uses the ram its given. What you saw is Linux's clever file caching system at work. If there's free space, it will use that free space to load files into the memory it predicts you may need (reducing hard drive tear, improving battery, improving performance, etc).

Starting AA changed the predictions and removed some files from the buffer you no longer need (like that picture you viewed 3 days ago that just happens to still be in the buffer because you have so much ram).

Stopping AA removed all cache required for AA, but didnt re-add the files you havent used for hours/days/weeks and it never will until you need them again.
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Subject: Go On Then, Explain This One!
Author: TrickyRic    Posted: 2005-03-26 13:53:31    Length: 557 byte(s)
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i know linux' memory management enough to understand its buffers, but its the actual used memory i'm refering to here. it dropped from 104mb (after a fresh boot) to 93mb (after playing aa for an hour)!

i'd expect a small drop as programs clear there own memory allocations from time to time, depending on the developer of course, and while playing aa for an hour theres a fair amount of apps doing pretty much nothing but clearing memory - however this is a drop of 11mb! thats a hell of a lot of variables being cleared!
----
Laptop: 2GHz Acer Aspire 9301AWSMi, 1GB DDR2, 17" TFT, 256MB GeForce Go 6100
Sold Development System:
2GHz AMD Opteron 246, Socket 940 Asus K8N-DL
Server System: 1.2GHz AMD Athlon, Socket 462 Apollo KT133 VT82C686
[Original] [Print] [Top]
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