How to think about the cost of vJ and Jv (pullback and pushforward)

Specific Domains Numerics
,
4

What does your function look like? Does it have mutation? Is it type-generic?

At first glance, you should evaluate Jv with a forward-mode backend like ForwardDiff.jl or Enzyme.jl, and vJ with a reverse-mode backend like Enzyme.jl or Mooncake.jl.

1 Like