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Add precompile for NLLS
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avik-pal committed Nov 2, 2023
1 parent 40a9ded commit 89b2781
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Showing 3 changed files with 46 additions and 14 deletions.
54 changes: 43 additions & 11 deletions src/NonlinearSolve.jl
Original file line number Diff line number Diff line change
Expand Up @@ -5,9 +5,9 @@ if isdefined(Base, :Experimental) && isdefined(Base.Experimental, Symbol("@max_m
end

import Reexport: @reexport
import PrecompileTools
import PrecompileTools: @recompile_invalidations, @compile_workload, @setup_workload

PrecompileTools.@recompile_invalidations begin
@recompile_invalidations begin
using DiffEqBase, LinearAlgebra, LinearSolve, SparseArrays, SparseDiffTools
using FastBroadcast: @..
import ArrayInterface: restructure
Expand Down Expand Up @@ -95,17 +95,49 @@ include("jacobian.jl")
include("ad.jl")
include("default.jl")

PrecompileTools.@compile_workload begin
for T in (Float32, Float64)
probs = (NonlinearProblem{false}((u, p) -> u .* u .- p, T(0.1), T(2)),
NonlinearProblem{false}((u, p) -> u .* u .- p, T[0.1], T[2]),
NonlinearProblem{true}((du, u, p) -> du .= u .* u .- p, T[0.1], T[2]))
@setup_workload begin
nlfuncs = ((NonlinearFunction{false}((u, p) -> u .* u .- p), 0.1),
(NonlinearFunction{false}((u, p) -> u .* u .- p), [0.1]),
(NonlinearFunction{true}((du, u, p) -> du .= u .* u .- p), [0.1]))

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probs_nls = NonlinearProblem[]
for T in (Float32, Float64), (fn, u0) in nlfuncs
push!(probs_nls, NonlinearProblem(fn, T.(u0), T(2)))
end

precompile_algs = (NewtonRaphson(), TrustRegion(), LevenbergMarquardt(),
PseudoTransient(), GeneralBroyden(), GeneralKlement(), DFSane(), nothing)
nls_algs = (NewtonRaphson(), TrustRegion(), LevenbergMarquardt(), PseudoTransient(),
GeneralBroyden(), GeneralKlement(), DFSane(), nothing)

probs_nlls = NonlinearLeastSquaresProblem[]
nlfuncs = ((NonlinearFunction{false}((u, p) -> (u .^ 2 .- p)[1:1]), [0.1, 0.0]),
(NonlinearFunction{false}((u, p) -> vcat(u .* u .- p, u .* u .- p)), [0.1, 0.1]),
(NonlinearFunction{true}((du, u, p) -> du[1] = u[1] * u[1] - p,

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resid_prototype = zeros(1)), [0.1, 0.0]),
(NonlinearFunction{true}((du, u, p) -> du .= vcat(u .* u .- p, u .* u .- p),

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resid_prototype = zeros(4)), [0.1, 0.1]))
for (fn, u0) in nlfuncs
push!(probs_nlls, NonlinearLeastSquaresProblem(fn, u0, 2.0))
end
nlfuncs = ((NonlinearFunction{false}((u, p) -> (u .^ 2 .- p)[1:1]), Float32[0.1, 0.0]),
(NonlinearFunction{false}((u, p) -> vcat(u .* u .- p, u .* u .- p)),

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Float32[0.1, 0.1]),
(NonlinearFunction{true}((du, u, p) -> du[1] = u[1] * u[1] - p,

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resid_prototype = zeros(Float32, 1)), Float32[0.1, 0.0]),
(NonlinearFunction{true}((du, u, p) -> du .= vcat(u .* u .- p, u .* u .- p),

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resid_prototype = zeros(Float32, 4)), Float32[0.1, 0.1]))
for (fn, u0) in nlfuncs
push!(probs_nlls, NonlinearLeastSquaresProblem(fn, u0, 2.0f0))
end

for prob in probs, alg in precompile_algs
solve(prob, alg, abstol = T(1e-2))
nlls_algs = (LevenbergMarquardt(), GaussNewton(),
LevenbergMarquardt(; linsolve = LUFactorization()),
GaussNewton(; linsolve = LUFactorization()))

@compile_workload begin
for prob in probs_nls, alg in nls_algs
solve(prob, alg, abstol = 1e-2)
end
for prob in probs_nlls, alg in nlls_algs
solve(prob, alg, abstol = 1e-2)
end
end
end
Expand Down
2 changes: 1 addition & 1 deletion test/23_test_problems.jl
Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ end
broken_tests = Dict(alg => Int[] for alg in alg_ops)
broken_tests[alg_ops[1]] = [3, 6, 17, 21]
broken_tests[alg_ops[2]] = [3, 6, 17, 21]
broken_tests[alg_ops[3]] = [6, 11, 21]
broken_tests[alg_ops[3]] = [6, 11, 17, 21]

test_on_library(problems, dicts, alg_ops, broken_tests)
end
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4 changes: 2 additions & 2 deletions test/basictests.jl
Original file line number Diff line number Diff line change
Expand Up @@ -390,7 +390,7 @@ end
@testset "Keyword Arguments" begin
damping_initial = [0.5, 2.0, 5.0]
damping_increase_factor = [1.5, 3.0, 10.0]
damping_decrease_factor = Float64[2, 5, 12]
damping_decrease_factor = Float64[2, 5, 10.0]
finite_diff_step_geodesic = [0.02, 0.2, 0.3]
α_geodesic = [0.6, 0.8, 0.9]
b_uphill = Float64[0, 1, 2]
Expand All @@ -408,7 +408,7 @@ end
b_uphill = options[6], min_damping_D = options[7])

probN = NonlinearProblem{false}(quadratic_f, [1.0, 1.0], 2.0)
sol = solve(probN, alg, abstol = 1e-12)
sol = solve(probN, alg; abstol = 1e-13, maxiters = 10000)
@test all(abs.(quadratic_f(sol.u, 2.0)) .< 1e-10)
end
end
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