Overview
The GPULib system must be initialized with the GPUINIT routine:
gpuinit
Keywords to GPUINIT set the mode that computations will be performed in hardware, software emulation, or pure IDL mode. Hardware and software emulation modes require the CUDA SDK to be installed, but pure IDL mode only requires IDL.
Memory allocation is the biggest concern when using GPULib. It is important to minimize transfer of data between the GPU and CPU.
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