OpenCLMemoryCopyToHost
OpenCLMemoryCopyToHost[mem]
force copies OpenCLMemory from the GPU to the CPU.
更多信息和选项
- The OpenCLLink application must be loaded using Needs["OpenCLLink`"].
- OpenCLMemory is returned by OpenCLMemoryLoad or OpenCLMemoryAllocate.
范例
基本范例 (1)
First, load the OpenCLLink application:
This loads the Range[10] list into OpenCLLink:
This gives information about the returned memory. Notice how the "DeviceStatus" is "Uninitialized":
This forces a copy from the host memory (CPU) to the device memory (GPU):
This gives information about the returned memory. Notice how both "HostStatus" and "DeviceStatus" are "Synchronized":
This will perform an unnecessary copy from the device to the host:
文本
Wolfram Research (2010)，OpenCLMemoryCopyToHost，Wolfram 语言函数，https://reference.wolfram.com/language/OpenCLLink/ref/OpenCLMemoryCopyToHost.html.
CMS
Wolfram 语言. 2010. "OpenCLMemoryCopyToHost." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/OpenCLLink/ref/OpenCLMemoryCopyToHost.html.
APA
Wolfram 语言. (2010). OpenCLMemoryCopyToHost. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/OpenCLLink/ref/OpenCLMemoryCopyToHost.html 年