deviceInfo: Device Information
In gpuR: GPU Functions for R Objects

Get basic information about selected device (e.g. GPU)

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gpuInfo(device_idx = NULL, context_idx = currentContext())

cpuInfo(device_idx = NULL, context_idx = currentContext())

`device_idx`	An integer value indicating which device to query.
`context_idx`	An integer value indicating which context to query.

`deviceName`	Device Name
`deviceVendor`	Device Vendor
`numberOfCores`	Number of Computing Units (which execute the work groups)
`maxWorkGroupSize`	Maximum number of work items per group
`maxWorkItemDim`	Number of dimensions
`maxWorkItemSizes`	Maximum number of works items per dimension
`deviceMemory`	Global amount of memory (bytes)
`clockFreq`	Maximum configured clock frequency of the device in MHz
`localMem`	Maximum amount of local memory for each work group (bytes)
`maxAllocatableMem`	Maximum amount of memory in a single piece (bytes)
`available`	Whether the device is available
`deviceExtensions`	OpenCL device extensions available
`double_support`	Logical value if double type supported