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Skip JET QA tests on Julia 1.13 until JET supports it #823

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Skip JET QA tests on Julia 1.13 until JET supports it #823

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Skip JET QA tests on Julia 1.13 until JET supports it
ChrisRackauckas Jul 3, 2026
cbb8368
Gate JET QA tests on prerelease Julia instead of 1.13
ChrisRackauckas Jul 3, 2026
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21 changes: 15 additions & 6 deletions test/QATest.jl
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Expand Up @@ -5,12 +5,21 @@ using Test

using JET: @test_opt

@testset "JET" begin
# issue #778
@test_opt ForwardDiff.derivative(identity, 1.0)
@test_opt ForwardDiff.gradient(only, [1.0], ForwardDiff.GradientConfig(only, [1.0], ForwardDiff.Chunk{1}()))
@test_opt ForwardDiff.jacobian(identity, [1.0], ForwardDiff.JacobianConfig(identity, [1.0], ForwardDiff.Chunk{1}()))
@test_opt ForwardDiff.hessian(only, [1.0], ForwardDiff.HessianConfig(only, [1.0], ForwardDiff.Chunk{1}()))
# On Julia prereleases JET's analysis lags the compiler and produces
# false-positive runtime-dispatch reports (e.g. on 1.13.0-rc1 for concrete
# Base broadcast/view/CartesianIndex code reached by these calls: native
# inference of every flagged frame is concrete and the kernels are
# allocation-free, so nothing is actually mis-inferred in ForwardDiff;
# https://github.com/aviatesk/JET.jl/issues/839). Only run the JET tests on
# released Julia versions.
if isempty(VERSION.prerelease)
@testset "JET" begin
# issue #778
@test_opt ForwardDiff.derivative(identity, 1.0)
@test_opt ForwardDiff.gradient(only, [1.0], ForwardDiff.GradientConfig(only, [1.0], ForwardDiff.Chunk{1}()))
@test_opt ForwardDiff.jacobian(identity, [1.0], ForwardDiff.JacobianConfig(identity, [1.0], ForwardDiff.Chunk{1}()))
@test_opt ForwardDiff.hessian(only, [1.0], ForwardDiff.HessianConfig(only, [1.0], ForwardDiff.Chunk{1}()))
end
end

end # module
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