perf: preallocate Cache during preparation for ForwardDiff (#741)

* perf: preallocate `Cache` during preparation for ForwardDiff

* Comment out PolyesterFD HVP

* Zygote ambiguity

* Type stability tests

* Coverage

Author: gdalle

DifferentiationInterface/Project.toml

@@ -1,7 +1,7 @@
 name = "DifferentiationInterface"
 uuid = "a0c0ee7d-e4b9-4e03-894e-1c5f64a51d63"
 authors = ["Guillaume Dalle", "Adrian Hill"]
-version = "0.6.45"
+version = "0.6.46"
 
 [deps]
 ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"

DifferentiationInterface/ext/DifferentiationInterfaceForwardDiffExt/DifferentiationInterfaceForwardDiffExt.jl

@@ -24,14 +24,15 @@ using ForwardDiff:
     jacobian,
     jacobian!,
     partials,
+    pickchunksize,
     value
 
 DI.check_available(::AutoForwardDiff) = true
 
 include("utils.jl")
 include("onearg.jl")
 include("twoarg.jl")
-include("secondorder.jl")
+# include("secondorder.jl")
 include("differentiate_with.jl")
 include("misc.jl")