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AccelDevice

Section Execution::Accel
Type integer
Default gpu

This variable selects the OpenCL or CUDA accelerator device that Octopus will use. You can specify one of the options below or a numerical id to select a specific device.

Values >= 0 select the device to be used. In case of MPI enabled runs devices are distributed in a round robin fashion, starting at this value.

Options:

gpu:
If available, Octopus will use a GPU.
cpu:
If available, Octopus will use a CPU (only for OpenCL).
accelerator:
If available, Octopus will use an accelerator (only for OpenCL).
accel_default:
Octopus will use the default device specified by the implementation. implementation.

Source information

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