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Runtime error #22

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francescoli opened this issue Feb 6, 2015 · 2 comments
Open

Runtime error #22

francescoli opened this issue Feb 6, 2015 · 2 comments

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@francescoli
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Hi, Paul
Is there any video card requirement of this project?
I'm using a GT620 video card and get a runtime error after successfully compiling the 2.4.9_backport branch.
using cuda-gdb, I get the log as:

captured by my phone, hope clear enough

img_20150206_191017

Any idea to solve this?
Best regards
Michel

@anuranbaka
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Yes, At the moment it requires cards with compute capability 3.0 or above
because the kernels use warp shuffle intrinsics and bindless textures. I
could write a version without the warp shuffles pretty easily, but I have
been unable to get old style textures to work. If you could figure out how
to use the old textures, I'd be happy to write the shuffle free version. I
should note that without warp shuffles it will probably run at about half
speed, since the data will need to be loaded twice.

On Fri, Feb 6, 2015 at 5:48 AM, francescoli [email protected]
wrote:

with cuda-gdb, I get the log

fatal: The cuda driver initialization failed ( error code = 20 )


Reply to this email directly or view it on GitHub
#22 (comment).

@francescoli
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Got it. No need to rewrite, and my new video card is on the way. I will have another try then.
Thank you, Paul

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