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Add defer_within_autodiff to EnzymeInterpreter #2254

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Merged
merged 2 commits into from
Aug 31, 2025
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Add defer_within_autodiff to EnzymeInterpreter #2254

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0e53314
add `defer_within_autodiff` to EnzymeInterpreter in order for `within…
jumerckx Jan 7, 2025
f1e15c9
`!defer_within_autodiff` -> `within_autodiff_rewrite`
jumerckx Jan 8, 2025
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44 changes: 42 additions & 2 deletions src/compiler/interpreter.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,10 @@ struct EnzymeInterpreter{T} <: AbstractInterpreter
reverse_rules::Bool
inactive_rules::Bool
broadcast_rewrite::Bool

# When false, leave the check for within_autodiff to the handler.
within_autodiff_rewrite::Bool

handler::T
end

Expand Down Expand Up @@ -169,6 +173,7 @@ function EnzymeInterpreter(
reverse_rules::Bool,
inactive_rules::Bool,
broadcast_rewrite::Bool = true,
within_autodiff_rewrite::Bool = true,
handler = nothing
)
@assert world <= Base.get_world_counter()
Expand Down Expand Up @@ -229,6 +234,7 @@ function EnzymeInterpreter(
reverse_rules::Bool,
inactive_rules::Bool,
broadcast_rewrite::Bool,
within_autodiff_rewrite::Bool,
handler
)
end
Expand All @@ -240,8 +246,42 @@ EnzymeInterpreter(
mode::API.CDerivativeMode,
inactive_rules::Bool,
broadcast_rewrite::Bool = true,
within_autodiff_rewrite::Bool = true,
handler = nothing
) = EnzymeInterpreter(cache_or_token, mt, world, mode == API.DEM_ForwardMode, mode == API.DEM_ReverseModeCombined || mode == API.DEM_ReverseModePrimal || mode == API.DEM_ReverseModeGradient, inactive_rules, broadcast_rewrite, handler)
) = EnzymeInterpreter(cache_or_token, mt, world, mode == API.DEM_ForwardMode, mode == API.DEM_ReverseModeCombined || mode == API.DEM_ReverseModePrimal || mode == API.DEM_ReverseModeGradient, inactive_rules, broadcast_rewrite, within_autodiff_rewrite, handler)

function EnzymeInterpreter(interp::EnzymeInterpreter;
cache_or_token = (@static if HAS_INTEGRATED_CACHE
interp.token
else
interp.code_cache
end),
mt = interp.method_table,
local_cache = interp.local_cache,
world = interp.world,
inf_params = interp.inf_params,
opt_params = interp.opt_params,
forward_rules = interp.forward_rules,
reverse_rules = interp.reverse_rules,
inactive_rules = interp.inactive_rules,
broadcast_rewrite = interp.broadcast_rewrite,
within_autodiff_rewrite = interp.within_autodiff_rewrite,
handler = interp.handler)
return EnzymeInterpreter(
cache_or_token,
mt,
local_cache,
world,
inf_params,
opt_params,
forward_rules,
reverse_rules,
inactive_rules,
broadcast_rewrite,
within_autodiff_rewrite,
handler
)
end

Core.Compiler.InferenceParams(@nospecialize(interp::EnzymeInterpreter)) = interp.inf_params
Core.Compiler.OptimizationParams(@nospecialize(interp::EnzymeInterpreter)) = interp.opt_params
Expand Down Expand Up @@ -933,7 +973,7 @@ function abstract_call_known(

(; fargs, argtypes) = arginfo

if f === Enzyme.within_autodiff
if interp.within_autodiff_rewrite && f === Enzyme.within_autodiff
if length(argtypes) != 1
@static if VERSION < v"1.11.0-"
return CallMeta(Union{}, Effects(), NoCallInfo())
Expand Down
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