OpenCLMemoryCopyToHost

OpenCLMemoryCopyToHost[mem]
force copies OpenCLMemory from the GPU to the CPU.

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范例范例打开所有单元关闭所有单元

基本范例 (1)基本范例 (1)

First, load the OpenCLLink application:

In[1]:=
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This loads the Range[10] list into OpenCLLink:

In[2]:=
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Out[2]=

This gives information about the returned memory. Notice how the is :

In[3]:=
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Out[3]=

This forces a copy from the host memory (CPU) to the device memory (GPU):

In[4]:=
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Out[4]=

This gives information about the returned memory. Notice how both and are :

In[5]:=
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Out[5]=

This will perform an unnecessary copy from the device to the host:

In[6]:=
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Out[6]=

The information is not changed:

In[7]:=
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Out[7]=
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