gpuArray
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由于我要用matcovnet 来训练CNN,但遇到了
Error using vl_nnconv
DATA and FILTERS do not have compatible formats.
经过查询,在GPU 上训练时,要使用 gpuArray 来进行格式转换。
函数介绍:
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gpuArray
Syntax
G = gpuArray(X)
Description
G = gpuArray(X)
copies the numeric array X
to the GPU, and returns a gpuArray object. You can operate on this array by passing its gpuArray to the feval
method of a CUDA kernel object, or by using one of the methods defined for gpuArray objects in Establish Arrays on a GPU.
The MATLAB array X
must be numeric (for example: single
, double
, int8
, etc.) or logical, and the GPU device must have sufficient free memory to store the data.
If the input argument is already a gpuArray, the output is the same as the input.
Use gather
to retrieve the array from the GPU to the MATLAB workspace.
Examples
Transfer a 10-by-10 matrix of random single-precision values to the GPU, then use the GPU to square each element.
Copy the array back to the MATLAB workspace.
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