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$CUDADeviceCount

gives the number of CUDA devices on the system.

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范例  
基本范例  
参见
技术笔记
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按以下格式引用：
CUDALink`
CUDALink`

$CUDADeviceCount

$CUDADeviceCount

gives the number of CUDA devices on the system.

更多信息和选项

范例

基本范例  (1)

First, load the CUDALink application:

Wolfram Language code: Needs["CUDALink`"]

This gets the number of devices on the system:

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

文本

Wolfram Research (2010)，$CUDADeviceCount，Wolfram 语言函数，https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html.

CMS

Wolfram 语言. 2010. "$CUDADeviceCount." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html.

APA

Wolfram 语言. (2010). $CUDADeviceCount. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html 年

BibTeX

@misc{reference.wolfram_2026_$cudadevicecount, author="Wolfram Research", title="{$CUDADeviceCount}", year="2010", howpublished="\url{https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html}", note=[Accessed: 09-September-2026]}

BibLaTeX

@online{reference.wolfram_2026_$cudadevicecount, organization={Wolfram Research}, title={$CUDADeviceCount}, year={2010}, url={https://reference.wolfram.com/language/CUDALink/ref/$CUDADeviceCount.html}, note=[Accessed: 09-September-2026]}