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#1 2009-05-21 23:35:00

vi3dr0
Member
From: Poland
Registered: 2009-03-22
Posts: 208

Wine, 100% CPU and old games.

Wine takes 100% of CPU usage while playing really old games (MDK2, Commandos, etc.) - i remember playing them on my first 200MHz years ago, so why is it problem for 2,4Ghz Core2Duo? hmm

Everything would be fine, but CPU temp gets from 45 to 65, and it drains battery at least twice as fast hmm

Maybe limiting fps would help - but is it possible? roll

Cheers
vi3dr0


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#2 2009-05-21 23:39:00

rat
Member
Registered: 2009-05-03
Posts: 7

Re: Wine, 100% CPU and old games.

this happens to me as well even roller coaster tycoon gold uses 100% cpu despite the fact that almost 10 years ago i was running it on a p1 166mhz and it only lagged a little.

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#3 2009-05-22 00:03:57

vi3dr0
Member
From: Poland
Registered: 2009-03-22
Posts: 208

Re: Wine, 100% CPU and old games.

I found an app called cpulimit but it simply doesn't do the work - limiting process to less than than 70% gives really poor performance, and above 70% makes no difference.

Second issue - HDD - it just got 49 C degrees! yikes Normally it's 39, under heavy load up to 45, but I've never seen 49. Must've been spinning like mad.


Thinkpad T61p : T7700 | 4GB RAM | nVidia FX 570M | Intel 4965
Arch64 @ Openbox

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#4 2009-05-22 00:51:49

iza
Member
From: Toronto, Canada
Registered: 2008-12-31
Posts: 44

Re: Wine, 100% CPU and old games.

It's probably not an issue with Wine, rather the way the games themselves are coded -- I've found a lot of old games (on windows even) completely dominate the CPU the entire time they're running; I suppose when they were made it wasn't really an issue as
1. There were no laptops, so battery wasn't a concern
2. People would only run one application at a time (at least with games), and the computers probably couldn't handle much more
3. The games required just about all the CPU power that was available anyway
So they're just chugging away behind the scenes, going through a million more loops than necessary (despite the fixed framerate / time scale)

Last edited by iza (2009-05-22 00:54:10)


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#5 2020-04-19 09:29:22

k395
Member
Registered: 2020-01-29
Posts: 37

Re: Wine, 100% CPU and old games.

For the "old games", it would work better to have a consistent slow CPU so the game's timing is consistent. Sometimes `cpulimit <command>` works limiting it later doesn't.

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#6 2020-04-19 10:19:17

WorMzy
Forum Moderator
From: Scotland
Registered: 2010-06-16
Posts: 11,788
Website

Re: Wine, 100% CPU and old games.

Please don't necrobump old threads, k395. It's doubtful the OP is still looking for help with this 11 years down the line.

https://wiki.archlinux.org/index.php/Co … bumping%22

Closing.


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