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fix: remove Enzyme error hint for runtime activity #852

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Merged
gdalle merged 1 commit into from
Sep 18, 2025
Merged

fix: remove Enzyme error hint for runtime activity #852

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13 changes: 4 additions & 9 deletions DifferentiationInterface/ext/DifferentiationInterfaceEnzymeExt/init.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,9 @@ function HINT_START(option)
end

function __init__()
if !isdefined(Base.Experimental, :register_error_hint)
return nothing
end
# robust against internal changes
condition = (
isdefined(Enzyme, :Compiler) &&
Expand All @@ -28,16 +31,8 @@ function __init__()
bold=true,
)
printstyled(io, HINT_END; italic=true)
elseif occursin("EnzymeRuntimeActivityError", string(nameof(T)))
printstyled(io, HINT_START("mode"); bold=true)
printstyled(
io,
"\n\n\tAutoEnzyme(; mode=Enzyme.set_runtime_activity(Enzyme.Forward))\n\tAutoEnzyme(; mode=Enzyme.set_runtime_activity(Enzyme.Reverse))";
color=:cyan,
bold=true,
)
printstyled(io, HINT_END; italic=true)
end
# EnzymeRuntimeActivityError is no longer a concrete type since https://github.com/EnzymeAD/Enzyme.jl/pull/2555 (now a UnionAll) so we cannot define a hint
end
end
end
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8 changes: 2 additions & 6 deletions DifferentiationInterface/test/Back/Enzyme/test.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -152,7 +152,6 @@ end
@test occursin("AutoEnzyme", msg)
@test occursin("function_annotation", msg)
@test occursin("ADTypes", msg)
@test occursin("DifferentiationInterface", msg)
end

@testset "RuntimeActivityError" begin
Expand Down Expand Up @@ -181,11 +180,8 @@ end
catch e
end
msg = sprint(showerror, e)
@test occursin("AutoEnzyme", msg)
@test occursin("mode", msg)
@test occursin("set_runtime_activity", msg)
@test occursin("ADTypes", msg)
@test occursin("DifferentiationInterface", msg)
@test_broken occursin("AutoEnzyme", msg)
@test_broken occursin("ADTypes", msg)
end
end

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