Originally posted by Hephasteus
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On Low-End GPUs, Nouveau Speeds Past The NVIDIA Driver
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Originally posted by Daekdroom View PostThat's exactly what wouldn't happen. A low-end GPU on top of a high-end CPU would mostly likely - not - stop at the driver's CPU bottlenecks.
Which makes a good point. Is the nouveau driver being as fast as the nvidia driver at that the same gpu usage point.
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Poor benchmark
The benchmark is clearly bandwidth limited, given the high resolutions for low end GPUS. It's likely that it doesn't tax the driver in any meaningful way.
I'm sure it will perform worse in a lower resolution. Classic phoenix standard .
Test the cards in a playable resolution, nobody will run in 1080p if they end up with 16fps.
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Originally posted by davem View PostThe main thing stopping me from switching to nouveau from the Nvidia blob is lack of VDPAU support. I run an old P4 and without GPU acceleration using VDPAU I can't watch 1080p movies. Is anyone aware of any work on going in nouveau to help change this? I might even be interested in contributing as much as I am able, if so.
I would be looking forward to shader-based or openCL-based decoding if I were you, but I'm far from being competent on the matter.
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There is work on generic shader-based decoding going on, but it will be a while, and I don't know if anyone is working specifically on nvidia hardware.
There is work for radeons, which runs XvMC already and is moving towards more challenging stuff, and once that is done, porting it over to nouveau should be relatively easy.
The dedicated hardware decoder on the card will probably never work with open drivers. Unfortunately.
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The main thing stopping me from switching to nouveau from the Nvidia blob is lack of VDPAU support. I run an old P4 and without GPU acceleration using VDPAU I can't watch 1080p movies. Is anyone aware of any work on going in nouveau to help change this? I might even be interested in contributing as much as I am able, if so.
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Can't be repeated often enough:
These benchmarks need to include the CPU usage!!!!!!
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The reason there is advantage is dead simple. Obfuscation requires CPU time.
But don't jump out of joy, amd loves proprietary same as nvidia.
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Originally posted by iznogood View PostIs this true ? If yes then the test is useless.
Originally posted by iznogood View PostCan you repeat it after disabling all not supported features ?
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Originally posted by smitty3268 View PostCan't this be done by using versioning?
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