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OpenCLMemoryCopyToHost
OpenCLMemoryCopyToHost[mem]
force copies OpenCLMemory from the GPU to the CPU.
范例打开所有单元
基本范例 (1)
First, load the OpenCLLink application:
| In[1]:= |
This loads the Range[10] list into OpenCLLink:
| In[2]:= |
| Out[2]= |  |
This gives information about the returned memory. Notice how the 
is 
:
| In[3]:= |
| Out[3]= |  |
This forces a copy from the host memory (CPU) to the device memory (GPU):
| In[4]:= |
| Out[4]= |  |
This gives information about the returned memory. Notice how both 
and 
are 
:
| In[5]:= |
| Out[5]= |  |
This will perform an unnecessary copy from the device to the host:
| In[6]:= |
| Out[6]= |  |
The information is not changed:
| In[7]:= |
| Out[7]= |  |
