get_kernel_sub_group_count_for_ndrange

Returns the number of subgroups in each workgroup of the dispatch given an ndrange and block.

`uint get_kernel_sub_group_count_for_ndrange (`	const ndrange_t `ndrange`,
	void ( `^block) ( void`)`)`

`uint get_kernel_sub_group_count_for_ndrange (`	const ndrange_t `ndrange`,
	void ( `^block) (local void *, ...`)`)`

Parameters

block: Specifies the block to be enqueued.

Notes

Returns the number of subgroups in each workgroup of the dispatch (except for the last in cases where the global size does not divide cleanly into work-groups) given the combination of the passed ndrange and block.

Specification

OpenCL Specification

Also see

cl_khr_subgroups, get_kernel_max_sub_group_size_for_ndrange

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