[Solved] x64 - slow video performence?

Hi all;
I have been using i686 for more than two years, and on my current machine, more than 6 months, two weeks ago I moved on to x64.
It seems that video playing is slow, and even stop for half a second when the video is busy.
I am using Nvidia, and never had this problem in i686.
This is very easy to detect if playing 3 videos in VLC, please if any1 is using x64 with Nvidia, do this test: open 4 VLC windows that play the same video file (on my machine this is impossible, the fourth one will not even open)
Thanks
Last edited by daf666 (2009-07-09 19:00:50)

FYI: I haven't fiddled with vlc's settings, so audio and video output are just set to "Default" (though I normally have it set to only allow one instance ;-) Similarly, I haven't touched nvidia-settings and my xorg.conf is not so complicated:
Section "Screen"
Identifier "Default Screen"
Device "GeForce 8500 GT"
Monitor "Acer P223W"
DefaultDepth 24
Option "NoLogo" "True"
Option "UseDisplayDevice" "DFP"
Option "TripleBuffer" "True"
Option "DynamicTwinView" "False"
Option "RandRRotation" "True"
Option "UseEdidDpi" "False"
Option "DPI" "96 x 96"
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
but glxgears always reports > 3,700 fps running compiz. I am wondering whether the slowdown is anything to do with the nvidia driver. What else might cause vlc to pause while reading a file?

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[Solved] x64 - slow video performence?

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