JuliaNLSolvers
Add a precompilation workload
On my system this reduces the time taken for a subset of the curve fitting tests from ~12.5s to ~2.5s.
Note that support for BigFloat's is currently broken with NLSolversBase 7.9 so CI won't pass (hacky fix here https://github.com/JuliaNLSolvers/NLSolversBase.jl/pull/160, but @gdalle kindly agreed to look into it further).
If big float support broke because of the NLSolversBase release we should bound the version that is supported by v.0.15.x of LsqFit.jl
It would indeed be interesting to know whether it worked prior to the recent changes. I saw that @lcontento had encountered the seemingly same issue (I opened a PR with a fix to ForwardDiff) in NLsolve 5 years ago: https://github.com/JuliaDiff/ForwardDiff.jl/issues/436
Yeah it worked because NLSolversBase used y = copy(...) instead of y = similar(...) before the DI integration came along. But I think the right fix is the one in ForwardDiff https://github.com/JuliaDiff/ForwardDiff.jl/pull/743
Okay, forgetting the ForwardDiff errors we can include this, but we need to bump Julia to v1.9