Create a backend

Usage

AnvlBackend(
  new_data,
  new_empty,
  dtype,
  shape,
  as_array,
  as_raw,
  platform,
  device,
  new_device,
  print_data,
  jit,
  await_data,
  default_dtypes
)

Arguments

new_data: (function)
Constructs an AnvlArray from R data. This should be a structure() with at least a $data field that contains the actual underlying data (PJRTBuffer for "pjrt" backend, array() for "quickr" backend). Receives row_major (logical(1), default FALSE), which gives the element order of raw byte payloads; backends that do not support raw data should abort on it.
new_empty: (function)
Constructs an AnvlArray of the given dtype and shape with unspecified contents. Called by nv_empty().
dtype: (function)
Extracts the dtype from an AnvlArray.
shape: (function)
Extracts the shape from an AnvlArray.
as_array: (function(x, check))
Converts an AnvlArray to an R array. The check level is forwarded from as_array(); backends may use it to abort when materialization would lose information (e.g. ui64 values wrapping through bit64::integer64). See pjrt::as_array.PJRTBuffer().
as_raw: (function)
Converts an AnvlArray to raw bytes.
platform: (function)
Returns the platform name (e.g. "cpu").
device: (function)
Returns the device object for an AnvlArray.
new_device: (function)
Constructs a backend-specific device object from a device type string (e.g. "cpu"). Called by nv_device().
print_data: (function)
Prints the array data with a footer.
jit: (function)
Creates a JIT-compiled function implementation.
await_data: (function)
Blocks until the array's underlying data is ready. Called by await() for AnvlArrays; a no-op for backends without async execution.
default_dtypes: (NULL | list(float, int))
The default data types for this backend. Can be overwritten, see default_dtypes().

Value

(AnvlBackend)