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FizzyWidget
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 Posted: Sat Apr 06, 2013 5:44 pm Post subject: Xinerama or twinview? |
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I have recently go a new system and another monitor, and am about to start a dual boot on it, before I start which would people suggest for a twin monitor setup?
Xinerama or twinview?
I have a geforce 560ti with two led monitors, I have googles a bit about this and there seems to be people who say Xinerama while others suggest twinview
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Gusar
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| Posted: Sat Apr 06, 2013 6:05 pm Post subject: |
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Who on earth suggests xinerama??
Xinerama uses more resources (all pixmaps have to be doubled in ram) and has a significant performance penalty. Use twinview. |
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FizzyWidget
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| Posted: Sat Apr 06, 2013 6:07 pm Post subject: |
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a lot of people on google searches did :p
K i will go with twinview 
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LoTeK
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| Posted: Sat Apr 06, 2013 10:08 pm Post subject: |
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| Quote: | Who on earth suggests xinerama??
Xinerama uses more resources (all pixmaps have to be doubled in ram) and has a significant performance penalty. Use twinview. |
I'm using 3 monitors (19 inch, 1280x1024; 24 inch 1920x1200; 24 inch 1920x1080) with xinerama (dwm) and yesterday top said that 15 GB (I have 16GB) RAM are used, but I had only 2 firefox windows open and mplayer and mupdf were running. moreover top showed no process with heavy RAM usage.
Could this caused by xinerama?
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FizzyWidget
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| Posted: Sat Apr 06, 2013 10:44 pm Post subject: |
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give twinview a go and see what happens :p
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Gusar
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| Posted: Sat Apr 06, 2013 11:24 pm Post subject: |
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| Dark Foo wrote: | | give twinview a go and see what happens :p |
Depending on what graphic card he has, he might not be able to. Only Kepler cards support more than two displays (up to four) with twinview.
@LoTeK: Most of that is probably buffers and cache, not xinerama. |
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LoTeK
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| Posted: Sun Apr 07, 2013 1:39 am Post subject: |
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I have a Sapphire Radeon HD 6450, so I don't have to try twinview. It's anyway more for nvidia, isn't it?
| Quote: | | Most of that is probably buffers and cache, not xinerama. |
I see, but it's even so strange and the usage is way too high...
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FizzyWidget
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| Posted: Sun Apr 07, 2013 6:23 am Post subject: |
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so why ask if you should try it if you know its for nvidia only?
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Gusar
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| Posted: Sun Apr 07, 2013 10:22 am Post subject: |
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If you have a HD6000, why xinerama then? Since HD5000, radeon cards support 4-6 displays with xrandr.
And yeah, twinview is a nvidia thing. It works very similarly to xrandr1.2 though, and since the 300 driver nvidia actually dropped twinview in favor of xrandr1.2. All that remains is some xorg.conf options named "twinview" for backwards compatibility. |
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LoTeK
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| Posted: Sun Apr 07, 2013 1:57 pm Post subject: |
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| Quote: | | so why ask if you should try it if you know its for nvidia only? |
Because I've read that it also work with radeon, but not as good as with nvidia.
| Quote: | | If you have a HD6000, why xinerama then? Since HD5000, radeon cards support 4-6 displays with xrandr. |
because I thought dwm supports multihead only with xinerama, but I'll try it with xrandr.
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Installing Gentoo
