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Remove Julia 1.12 version guard from adjoint tests #872

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Remove Julia 1.12 version guard from adjoint tests #872

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44 changes: 19 additions & 25 deletions test/adjoint_tests.jl
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Original file line number Diff line number Diff line change
@@ -1,33 +1,27 @@
@testitem "Adjoint Tests" tags = [:nopre] begin
# Skip adjoint tests on Julia 1.12+ due to Enzyme/SciMLSensitivity compatibility issues
# To re-enable: change condition to `false` or `VERSION >= v"1.13"`
@static if VERSION < v"1.12"
using ForwardDiff, ReverseDiff, SciMLSensitivity, Tracker, Zygote, Enzyme, Mooncake
using ForwardDiff, ReverseDiff, SciMLSensitivity, Tracker, Zygote, Enzyme, Mooncake

ff(u, p) = u .^ 2 .- p
ff(u, p) = u .^ 2 .- p

function solve_nlprob(p)
prob = NonlinearProblem{false}(ff, [1.0, 2.0], p)
sol = solve(prob, NewtonRaphson())
res = sol isa AbstractArray ? sol : sol.u
return sum(abs2, res)
end
function solve_nlprob(p)
prob = NonlinearProblem{false}(ff, [1.0, 2.0], p)
sol = solve(prob, NewtonRaphson())
res = sol isa AbstractArray ? sol : sol.u
return sum(abs2, res)
end

p = [3.0, 2.0]
p = [3.0, 2.0]

∂p_zygote = only(Zygote.gradient(solve_nlprob, p))
∂p_forwarddiff = ForwardDiff.gradient(solve_nlprob, p)
∂p_tracker = Tracker.data(only(Tracker.gradient(solve_nlprob, p)))
∂p_reversediff = ReverseDiff.gradient(solve_nlprob, p)
∂p_enzyme = Enzyme.gradient(Enzyme.set_runtime_activity(Enzyme.Reverse), solve_nlprob, p)[1]
∂p_zygote = only(Zygote.gradient(solve_nlprob, p))
∂p_forwarddiff = ForwardDiff.gradient(solve_nlprob, p)
∂p_tracker = Tracker.data(only(Tracker.gradient(solve_nlprob, p)))
∂p_reversediff = ReverseDiff.gradient(solve_nlprob, p)
∂p_enzyme = Enzyme.gradient(Enzyme.set_runtime_activity(Enzyme.Reverse), solve_nlprob, p)[1]

cache = Mooncake.prepare_gradient_cache(solve_nlprob, p)
∂p_mooncake = Mooncake.value_and_gradient!!(cache, solve_nlprob, p)[2][2]
cache = Mooncake.prepare_gradient_cache(solve_nlprob, p)
∂p_mooncake = Mooncake.value_and_gradient!!(cache, solve_nlprob, p)[2][2]

@test ∂p_zygote ≈ ∂p_tracker ≈ ∂p_reversediff ≈ ∂p_enzyme
@test ∂p_zygote ≈ ∂p_forwarddiff ≈ ∂p_tracker ≈ ∂p_reversediff ≈ ∂p_enzyme
@test ∂p_forwarddiff ≈ ∂p_mooncake
else
@info "Skipping adjoint tests on Julia $(VERSION) - Enzyme/SciMLSensitivity not compatible with 1.12+"
end
@test ∂p_zygote ≈ ∂p_tracker ≈ ∂p_reversediff ≈ ∂p_enzyme
@test ∂p_zygote ≈ ∂p_forwarddiff ≈ ∂p_tracker ≈ ∂p_reversediff ≈ ∂p_enzyme
@test ∂p_forwarddiff ≈ ∂p_mooncake
end
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