diff --git a/src/lib/forward.jl b/src/lib/forward.jl index 81a2ce7ba..7a6e125ff 100644 --- a/src/lib/forward.jl +++ b/src/lib/forward.jl @@ -49,7 +49,7 @@ reshape_scalar(x::Real, y) = y[] """ forwarddiff(f, x) -> f(x) -Runs `f(x)` as usual, but instructs Zygote to differentiate `f` using pullback +Runs `f(x)` as usual, but instructs Zygote to differentiate `f` using forward mode, rather than the usual reverse mode. Forward mode takes time linear in `length(x)` but only has constant memory