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add warmstarting and simple logging to check_positivity.jl

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kalmarek 2018-12-05 10:26:12 +01:00
parent 2e2add905b
commit f5262ebeea
1 changed files with 17 additions and 5 deletions
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22
paper_data/check_positivity.jl
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@ -86,10 +86,6 @@ info("Looking for solution.jld in $fullpath")
if !isfile(SOLUTION_FILE) if !isfile(SOLUTION_FILE)
info("solution.jld not found, attempting to recreate one.") info("solution.jld not found, attempting to recreate one.")
λ = Ps = ws = nothing
SDP_problem, varλ, varP = PropertyT.SOS_problem(elt, Δ, orbit_data; upper_bound=LAMBDA)
begin begin
scs_solver = SCS.SCSSolver(linear_solver=SCS.Direct, scs_solver = SCS.SCSSolver(linear_solver=SCS.Direct,
eps=1e-12, eps=1e-12,
@ -100,14 +96,30 @@ if !isfile(SOLUTION_FILE)
JuMP.setsolver(SDP_problem, scs_solver) JuMP.setsolver(SDP_problem, scs_solver)
end end
λ = Ps = ws = nothing
const WARMSTART_FILE = joinpath(fullpath, "warmstart.jld")
if isfile(WARMSTART_FILE)
ws = load(WARMSTART_FILE, "warmstart")
end
SDP_problem, varλ, varP = PropertyT.SOS_problem(elt, Δ, orbit_data; upper_bound=LAMBDA)
i = 0 i = 0
# for i in 1:6 # for i in 1:6
status= :Unknown status= :Unknown
while status !=:Optimal while status !=:Optimal
i += 1 i += 1
status, (λ, Ps, ws) = PropertyT.solve(SDP_problem, varλ, varP, ws); SOLVERLOG_FILE = joinpath(fullpath, "solver_$(now()).log")
status, (λ, Ps, ws) = PropertyT.solve(SOLVERLOG_FILE, SDP_problem, varλ, varP, ws);
precision = abs(λ - LAMBDA) precision = abs(λ - LAMBDA)
println("i = $i, \t precision = $precision") println("i = $i, \t precision = $precision")
if all((!isnan).(ws[1]))
save(WARMSTART_FILE, "warmstart", ws, "λ", λ, "Ps", Ps)
save(WARMSTART_FILE[1:end-4]*"_$(now()).jld", "warmstart", ws, "λ", λ, "Ps", Ps)
else
warn("No valid solution was saved!")
end
end end
info("Reconstructing P...") info("Reconstructing P...")