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Report subgroup support in versioninfo #455

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Report subgroup support in versioninfo
christiangnrd Jul 4, 2026
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christiangnrd Jul 4, 2026
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16 changes: 13 additions & 3 deletions src/util.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -93,10 +93,10 @@ function versioninfo(io::IO=stdout)
print(io, " · $(device.name)")

# show a list of tags
tags = []
tags = String[]
## memory back-ends
let
svm_tags = []
svm_tags = String[]
svm_caps = cl.svm_capabilities(device)
if svm_caps.coarse_grain_buffer
push!(svm_tags, "c")
Expand All @@ -107,7 +107,7 @@ function versioninfo(io::IO=stdout)
push!(tags, "svm:"*join(svm_tags, "+"))
end
if cl.usm_supported(device)
usm_tags = []
usm_tags = String[]
usm_caps = cl.usm_capabilities(device)
if usm_caps.host.access
push!(usm_tags, "h")
Expand All @@ -133,6 +133,16 @@ function versioninfo(io::IO=stdout)
if in("cl_khr_il_program", device.extensions)
push!(tags, "il")
end
if cl.sub_groups_supported(device)
sg_tags = String[]
if in("cl_khr_subgroup_shuffle", device.extensions)
push!(sg_tags, "shfl")
end
# if in("cl_khr_subgroup_ballot", device.extensions)
# push!(sg_tags, "blt")
# end
push!(tags, "sg:"*join(sg_tags, "+"))
end
## render
if !isempty(tags)
print(io, " (", join(tags, ", "), ")")
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