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This issue is a follow-up on #894 which have already added nice attributes to sycl devices and kernels.
This attribute sub_group_sizes
is listed in the array of device attribute descriptors of the SYCL spec but it's not an attribute of SyclDevice
(while e.g max_work_group_size
or max_num_sub_groups
).
In the meantime I wonder if max_work_group_size // max_num_sub_groups
is supposed to be always equal to "min(sub_group_sizes)
" ?
Also I understand that max_sub_group_size
can't be implemented because it needs actions in libsycl
, is there a follow up issue on this ?
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