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Choose which GPU device to use

chooseGpu.Rd

Selects the GPU device to use for computation. This is only useful on a machine equipped with multiple GPU devices. The numbering starts at 0 and is assigned by the CUDA capable driver.

Choosing a device can only be done before any other GPU operation and only once per thread.

Usage

chooseGpu(deviceId = 0)

Arguments

deviceId

an integer >= 0 designating the GPU to use for computation.

Value

chooseGpu should print out an integer specifying the device id chosen or an error message.