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[WIP] Enzyme Test #825
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[WIP] Enzyme Test #825
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This was referenced Feb 5, 2025
Merged
Enzyme got stuck there first.
Compiles faster to first error.
Have to point `/usr/bin/ld.lld` to LLVM 16 instead of 18 (default)
AMReX globals such as `amrex::ParticleContainerBase::tile_size`: ``` error: Enzyme: cannot compute with global variable that doesn't have marked shadow global @_ZN5amrex21ParticleContainerBase9tile_sizeE = external local_unnamed_addr global %"class.amrex::IntVectND", align 4 ... ```
Compiles & runs in forward and reverse mode. Forward result is correct, reverse not yet. Likely need to copy in data (ref, cm, env) instead of the whole `sim` object...?
This was referenced Jul 1, 2025
Works now in both fw/bw mode. ``` ./impactx ../../examples/fodo_space_charge/input_fodo_envelope_sc.in ```
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Full Python bindings and optimizer
Typical gradient tracking issue
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...
via-enzyme-globals-default-inactive=1
(see this and docs)__attribute__((enzyme_inactive))
?LLDEnzyme
...envelope
tracking (andref
particle tracking)