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numba_dpex.kernel_api.ranges¶Defines types to define the range of execution of a kernel. The types are designed along the lines of classes defined in the SYCL 2020 spec section 4.9.
Overview¶ Classes¶Bases: tuple
Analogue to the sycl::range class.
The range is an abstraction that describes the number of elements in each dimension of buffers and index spaces. It can contain 1, 2, or 3 numbers, depending on the dimensionality of the object it describes.
This is just a wrapper class on top of a 3-tuple. The kernel launch parameter is consisted of three int’s. This class basically mimics the behavior of sycl::range.
Overview
Methods¶get(index)
Returns the range of a single dimension.
size()
Returns the size of a range.
Members
Returns the range of a single dimension.
index (int) – The index of the dimension, i.e. [0,2]
The range of the dimension indexed by index.
int
Returns the size of a range.
Returns the size of a range by multiplying the range of the individual dimensions.
The size of a range.
int
Analogue to the sycl::nd_range class.
The NdRange defines the index space for a work group as well as the global index space. It is passed to parallel_for to execute a kernel on a set of work items.
This class basically contains two Range object, one for the global_range and the other for the local_range. The global_range parameter contains the global index space and the local_range parameter contains the index space of a work group. This class mimics the behavior of sycl::nd_range class.
Overview
Members
Returns a Range defining the index space.
A Range object defining the index space.
Returns a Range defining the index space of a work group.
A Range object to specify index space of a work group.
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