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Old 01-30-08, 08:12 PM   #49
unebaguettesvp
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Default Re: 8400M GS : Low performences

how often does nvidia release their newest drivers? the performance is driving me crazy!

on another note, is it possible to install a new (older) video card on a laptop? for example, can i install a geforce go 7600 on this dell inspiron 1420N? do all laptop video cards have the same connection type and form? how does it work?

nVidia please fix the 8000 series drivers!!!!!!!!!!!!
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Old 01-30-08, 08:28 PM   #50
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Default Re: 8400M GS : Low performences

I don't think NVIDIA has any intentions on fixing this longstanding issue. They don't even reply to the threads discussing it. (See the other big thread, as it affects my 8800 Ultra as well)
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Old 01-31-08, 06:04 AM   #51
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Default Re: 8400M GS : Low performances

By the way, it's been a couple of months now this thread I started is misspelled.
Performences -> Performances, could someone please fix this ?
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Old 01-31-08, 06:18 AM   #52
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Default Re: 8400M GS : Low performences

Quote:
Originally Posted by theophane
Correct me if I'm wrong, but in the end, isn't that card just too crappy to run compiz ?

(3 months of laggy compiz to say this, I might seem dumb, do I ? )
I run Compiz on Intel GMA 950 (I incorrectly said it was the 900 in some other threads) integrated graphics and that's much slower than nv 8400m. Hell, my chipset doesn't even have hardware T&L. Compiz isn't optimised much yet and has performance issues.

EDIT : Oops, missed the other guy who posted about the nv 6100 who already corrected you.
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Old 02-11-08, 09:13 PM   #53
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Default Re: 8400M GS : Low performences

Hi,

I bought a Dell M1330 laptop with a Nvidia 8400M GS card. I run Suse 10.3 with compiz-fusion. I was experiencing the delay problems all u guys posted here. I thought it was normal until I talked with someone in irc.freenode #compiz-fusion. He told me about the PowerMizer and the 3 levels. I got really pissed of that such an expensive laptop would come with a card that has such limits. Well, I tried many things and finally I enabled XGL and the card works great with all 3D stuff from compiz-fusion. Also the letters and icons seems to look better. The tradeoff is that u cannot access nvidia-settings since XGL is blocking that access. Another thing, I suppose, is the fact that the card might become warmer since, when u activate XGL, I believe that level 3 is on all the time. Well, I just wanted to share my experience with u all
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Old 02-11-08, 11:28 PM   #54
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Default Re: 8400M GS : Low performences

As far as I know, we don't even need a full new driver from nvidia, just an extra option in nvidia-settings to disable powermizer. That shouldn't be too hard...
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Old 02-12-08, 03:29 PM   #55
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Default Re: 8400M GS : Low perform-a-nces ;-)

here's a question for you guys:

i too have a 8400M GS (Dell XPS M1330), using it on Xubuntu with Compiz-Fusion and Twinview. i use a Dell 2005FPW (1920x1200) as second screen on the HDMI port.

overall, i must say, performance is pretty decent. i have the big desktop, Compiz running on 60hz with --loose-binding and vsync enabled, Powermizer at max. animations are pretty smooth and constant. the settings i currently use are the best combination i could find, and i tried a lot of them (in both nvidia and compiz).

now here's the deal: on the external screen there is 1 (one) tear/scanline, which seems to run down the screen very slowly. when it's on the bottom of the screen i can wobble around a terminal window on the top side without any tearing or corruption, but as soon as i move over the line the window gets 'sliced' and both halves are dispositioned slightly. this behaviour is visible in every animation, like wobble, expose or cube rotate.

i don't know if this is the same tearing issue being described in the rest of the posts in this thread, but what i'd really like to know is what the culprit would be in this scenario:

1) 8400M GS gpu speed
2) 8400M GS memory (128mb)
2) driver optimization
3) compiz optimization
4) monitor sync(?)

any ideas?

(heightening compiz framerate above 60 doesn't improve performance whatsoever)
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Old 02-14-08, 09:15 AM   #56
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Default Re: 8400M GS : Low perform-a-nces ;-)

Quote:
Originally Posted by lite
here's a question for you guys:
aw nevermind, after some more testing performance is actually a lot worse than i first thought..
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Old 02-14-08, 03:05 PM   #57
unebaguettesvp
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Default Re: 8400M GS : Low performences

wow! thanks sambiase. all i had to do was install xserver-xgl in synaptic! before with glxgears i was running at 2500 fps, now i'm running at 7000 fps! everything feels a 100x faster.

some operations are still choppy. for example, rotating the cube IF it is partially transparent is still choppy. but i can deal with it.

at times, much fewer times, it still feels like 3D graphics need to be "activated".

thanks again!
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Old 02-15-08, 12:14 PM   #58
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Default Re: 8400M GS : Low performences

unebaguettesvp, Im happy the card's performance improved in your case. What I actually did in order to improve performance and activate 3d was:

1. #sax2 -r -m 0=nvidia
2. #gnome-xgl-switch --enable-xgl
3. #rcxdm restart

When u login again u'll definitely see the improvements.
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Old 02-16-08, 08:50 AM   #59
msaragnoli
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Default Re: 8400M GS : Low performences

Hello, I'm getting slow problems with my nvidia card 8400M GT, I read everything, but someone who tested some solutions could say if worked? I'm with the nvidia driver 169.09 installed from livna repo.


Thanks for any help!!!!!

Last edited by msaragnoli; 02-18-08 at 08:09 AM.
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Old 02-18-08, 06:56 AM   #60
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Default Re: 8400M GS : Low performences

UP!
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