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d95076e581
V3D advertises maxComputeWorkGroupInvocations = 256 but ggml-vulkan in many cases ignores this limit an creates compute pipelines with over this limit. Although this is a bug in the application we can take advantage of nir_lower_workgroup_size and make the application work. This issue was causing an assertion failure at nir_to_vir.c: assert(c->local_invocation_index_bits <= 8); The solution is lowering the oversized workgroups to a 256-invocation workgroup loop, like radv and radeonsi are doing on GFX7, by running nir_lower_workgroup_size(256) for this scenario. Reviewed-by: Iago Toral Quiroga <itoral@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41257> |
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