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$CUDADeviceCount

gives the number of CUDA devices on the system.

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Details and Options Details and Options
Examples  
Basic Examples  
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Tech Notes
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CUDALink`
CUDALink`

$CUDADeviceCount

$CUDADeviceCount

gives the number of CUDA devices on the system.

Details and Options

Examples

Basic Examples  (1)

First, load the CUDALink application:

This gets the number of devices on the system:

Wolfram Research (2010), $CUDADeviceCount, Wolfram Language function, https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html.

Text

Wolfram Research (2010), $CUDADeviceCount, Wolfram Language function, https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html.

CMS

Wolfram Language. 2010. "$CUDADeviceCount." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html.

APA

Wolfram Language. (2010). $CUDADeviceCount. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html

BibTeX

@misc{reference.wolfram_2025_$cudadevicecount, author="Wolfram Research", title="{$CUDADeviceCount}", year="2010", howpublished="\url{https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html}", note=[Accessed: 13-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_$cudadevicecount, organization={Wolfram Research}, title={$CUDADeviceCount}, year={2010}, url={https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html}, note=[Accessed: 13-August-2025]}