Difference between revisions of "Talk:Maximizing performance"

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(Intel Sandybridge and higher CPU governors: close)
 
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== Mkfs does not work ==
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== Question About go-preload Section ==
This doesn't work:
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mkfs.xfs -l internal,lazy-count=1 size=128m -d agcount=2 /dev/sdxx
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--[[User:Jkd.luca|Jkd.luca]] 17:21, 4 October 2010 (EDT)
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== The desktop switcheroo ==
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Would it be worth mentioning the use of su in the gopreload section? I'm not sure how gopreload works, but for example running 'gopreload-enable xfce4-panel' loads a totally vanilla Xfce panel without any content, surely this wouldn't allow the preloading as many relevant files? Running 'gopreload-prepare su <user> -c xfce4-panel' on the other hand will run your user-configured panel therefore many more relevant files. Again I'm not sure if this is how the command works so I wanted to ask here first. -- [[User:Manypopes|Henry Gibson]] ([[User talk:Manypopes|talk]]) 10:32, 12 March 2014 (UTC) ManyPopes
  
Section "The desktop switcheroo" does not make sense. [[User:Manolo|manolo]] 16:35, 7 November 2009 (EST)
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:I think that you are more likely to get a definite answer at the [http://forums.gentoo.org/viewtopic-t-789818-view-next.html?sid=5457cff93039fc7d4a3e445ef90f9821 Gentoo forums], where the program was created. Well, perhaps not in the original thread, where the latest post is five years old... -- [[User:Lahwaacz|Lahwaacz]] ([[User talk:Lahwaacz|talk]]) 19:16, 12 March 2014 (UTC)
: Light weight desktop does improve performance of running app. -- [[User:Fengchao|Fengchao]] ([[User talk:Fengchao|talk]]) 05:07, 15 March 2013 (UTC)
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== LZO for btrfs ==
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::Seeing as the creator of the script doesn't seem active I had a play around comparing the files generated by each command. It seems that when running as your user, most of the required files are already in RAM therefore don't get listed. Running as root however will load all the required libraries etc. therefore will list many more relevant files. I don't think there's any advantage to using the su <user> -c command after all. -- [[User:Manypopes|Henry Gibson]] ([[User talk:Manypopes|talk]]) 16:10, 22 March 2014 (UTC)
I read about LZO compression and space_cache for btrfs lately: http://www.phoronix.com/scan.php?page=article&item=btrfs_space_cache
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--[[User:Longint|Longint]] 18:53, 15 June 2011 (EDT)
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== <s>Intel Sandybridge and higher CPU governors</s> ==
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[https://unix.stackexchange.com/questions/121410/setting-cpu-governor-to-on-demand-or-conservative Long story]
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===Short story===
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Sandybridge+ CPUs use specific Intel driver that has 2 governors: powersave (default) and performance. If you wish to use another governor, you need to disable this driver (more in the link above). [[User:Tharbad|Tharbad]] ([[User talk:Tharbad|talk]]) 20:36, 7 March 2016 (UTC)
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:That info belongs to [[CPU frequency scaling]] (perhaps it's already there). This page is missing a link to that page. -- [[User:Lahwaacz|Lahwaacz]] ([[User talk:Lahwaacz|talk]]) 11:34, 8 March 2016 (UTC)
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:: You're right. I had both pages open in my browser... Anyway added a link to CPU scaling on the way. [[User:Tharbad|Tharbad]] ([[User talk:Tharbad|talk]]) 15:53, 8 March 2016 (UTC)
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:::Thanks, let's continue [[Talk:CPU_frequency_scaling#Intel Sandybridge and higher CPU governors|there]]. Closing. -- [[User:Lahwaacz|Lahwaacz]] ([[User talk:Lahwaacz|talk]]) 19:20, 8 March 2016 (UTC)

Latest revision as of 19:20, 8 March 2016

Question About go-preload Section

Would it be worth mentioning the use of su in the gopreload section? I'm not sure how gopreload works, but for example running 'gopreload-enable xfce4-panel' loads a totally vanilla Xfce panel without any content, surely this wouldn't allow the preloading as many relevant files? Running 'gopreload-prepare su <user> -c xfce4-panel' on the other hand will run your user-configured panel therefore many more relevant files. Again I'm not sure if this is how the command works so I wanted to ask here first. -- Henry Gibson (talk) 10:32, 12 March 2014 (UTC) ManyPopes

I think that you are more likely to get a definite answer at the Gentoo forums, where the program was created. Well, perhaps not in the original thread, where the latest post is five years old... -- Lahwaacz (talk) 19:16, 12 March 2014 (UTC)
Seeing as the creator of the script doesn't seem active I had a play around comparing the files generated by each command. It seems that when running as your user, most of the required files are already in RAM therefore don't get listed. Running as root however will load all the required libraries etc. therefore will list many more relevant files. I don't think there's any advantage to using the su <user> -c command after all. -- Henry Gibson (talk) 16:10, 22 March 2014 (UTC)

Intel Sandybridge and higher CPU governors

Long story

Short story

Sandybridge+ CPUs use specific Intel driver that has 2 governors: powersave (default) and performance. If you wish to use another governor, you need to disable this driver (more in the link above). Tharbad (talk) 20:36, 7 March 2016 (UTC)

That info belongs to CPU frequency scaling (perhaps it's already there). This page is missing a link to that page. -- Lahwaacz (talk) 11:34, 8 March 2016 (UTC)
You're right. I had both pages open in my browser... Anyway added a link to CPU scaling on the way. Tharbad (talk) 15:53, 8 March 2016 (UTC)
Thanks, let's continue there. Closing. -- Lahwaacz (talk) 19:20, 8 March 2016 (UTC)