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Allocation-free access to evaluator #520

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114 changes: 57 additions & 57 deletions ext/IpoptMathOptInterfaceExt/IpoptMathOptInterfaceExt.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -18,62 +18,62 @@ end

include("MOI_wrapper.jl")

PrecompileTools.@setup_workload begin
PrecompileTools.@compile_workload begin
model = MOI.Utilities.CachingOptimizer(
MOI.Utilities.UniversalFallback(MOI.Utilities.Model{Float64}()),
MOI.instantiate(Optimizer; with_bridge_type = Float64),
)
# We don't want to advertise this option, but it's required so that
# we don't print the banner during precompilation.
MOI.set(model, MOI.RawOptimizerAttribute("sb"), "yes")
MOI.set(model, MOI.Silent(), true)
x = MOI.add_variables(model, 3)
MOI.supports(model, MOI.VariableName(), typeof(x[1]))
MOI.set(model, MOI.VariableName(), x[1], "x1")
MOI.set(model, MOI.VariablePrimalStart(), x[1], 0.0)
for F in (MOI.VariableIndex, MOI.ScalarAffineFunction{Float64})
MOI.supports_constraint(model, F, MOI.GreaterThan{Float64})
MOI.supports_constraint(model, F, MOI.LessThan{Float64})
MOI.supports_constraint(model, F, MOI.EqualTo{Float64})
# These return false, but it doesn't matter
MOI.supports_constraint(model, F, MOI.ZeroOne)
MOI.supports_constraint(model, F, MOI.Integer)
end
MOI.add_constraint(model, x[1], MOI.GreaterThan(0.0))
MOI.add_constraint(model, x[2], MOI.LessThan(0.0))
MOI.add_constraint(model, x[3], MOI.EqualTo(0.0))
f = 1.0 * x[1] + x[2] + x[3]
c1 = MOI.add_constraint(model, f, MOI.GreaterThan(0.0))
MOI.set(model, MOI.ConstraintName(), c1, "c1")
MOI.supports(model, MOI.ConstraintName(), typeof(c1))
MOI.add_constraint(model, f, MOI.LessThan(0.0))
MOI.add_constraint(model, f, MOI.EqualTo(0.0))
y, _ = MOI.add_constrained_variables(model, MOI.Nonnegatives(2))
MOI.set(model, MOI.ObjectiveSense(), MOI.MAX_SENSE)
MOI.supports(model, MOI.ObjectiveFunction{typeof(f)}())
MOI.set(model, MOI.ObjectiveFunction{typeof(f)}(), f)
MOI.set(
model,
MOI.NLPBlock(),
MOI.NLPBlockData([], _EmptyNLPEvaluator(), false),
)
MOI.optimize!(model)
MOI.get(model, MOI.TerminationStatus())
MOI.get(model, MOI.PrimalStatus())
MOI.get(model, MOI.DualStatus())
MOI.get(model, MOI.VariablePrimal(), x)
# We put these after `optimize!` so that the error is thrown on add,
# not on optimize!
try
MOI.add_constraint(model, x[1], MOI.ZeroOne())
catch
end
try
MOI.add_constraint(model, x[1], MOI.Integer())
catch
end
end
end
#PrecompileTools.@setup_workload begin
# PrecompileTools.@compile_workload begin
# model = MOI.Utilities.CachingOptimizer(
# MOI.Utilities.UniversalFallback(MOI.Utilities.Model{Float64}()),
# MOI.instantiate(Optimizer; with_bridge_type = Float64),
# )
# # We don't want to advertise this option, but it's required so that
# # we don't print the banner during precompilation.
# MOI.set(model, MOI.RawOptimizerAttribute("sb"), "yes")
# MOI.set(model, MOI.Silent(), true)
# x = MOI.add_variables(model, 3)
# MOI.supports(model, MOI.VariableName(), typeof(x[1]))
# MOI.set(model, MOI.VariableName(), x[1], "x1")
# MOI.set(model, MOI.VariablePrimalStart(), x[1], 0.0)
# for F in (MOI.VariableIndex, MOI.ScalarAffineFunction{Float64})
# MOI.supports_constraint(model, F, MOI.GreaterThan{Float64})
# MOI.supports_constraint(model, F, MOI.LessThan{Float64})
# MOI.supports_constraint(model, F, MOI.EqualTo{Float64})
# # These return false, but it doesn't matter
# MOI.supports_constraint(model, F, MOI.ZeroOne)
# MOI.supports_constraint(model, F, MOI.Integer)
# end
# MOI.add_constraint(model, x[1], MOI.GreaterThan(0.0))
# MOI.add_constraint(model, x[2], MOI.LessThan(0.0))
# MOI.add_constraint(model, x[3], MOI.EqualTo(0.0))
# f = 1.0 * x[1] + x[2] + x[3]
# c1 = MOI.add_constraint(model, f, MOI.GreaterThan(0.0))
# MOI.set(model, MOI.ConstraintName(), c1, "c1")
# MOI.supports(model, MOI.ConstraintName(), typeof(c1))
# MOI.add_constraint(model, f, MOI.LessThan(0.0))
# MOI.add_constraint(model, f, MOI.EqualTo(0.0))
# y, _ = MOI.add_constrained_variables(model, MOI.Nonnegatives(2))
# MOI.set(model, MOI.ObjectiveSense(), MOI.MAX_SENSE)
# MOI.supports(model, MOI.ObjectiveFunction{typeof(f)}())
# MOI.set(model, MOI.ObjectiveFunction{typeof(f)}(), f)
# MOI.set(
# model,
# MOI.NLPBlock(),
# MOI.NLPBlockData([], _EmptyNLPEvaluator(), false),
# )
# MOI.optimize!(model)
# MOI.get(model, MOI.TerminationStatus())
# MOI.get(model, MOI.PrimalStatus())
# MOI.get(model, MOI.DualStatus())
# MOI.get(model, MOI.VariablePrimal(), x)
# # We put these after `optimize!` so that the error is thrown on add,
# # not on optimize!
# try
# MOI.add_constraint(model, x[1], MOI.ZeroOne())
# catch
# end
# try
# MOI.add_constraint(model, x[1], MOI.Integer())
# catch
# end
# end
#end

end # module IpoptMathOptInterfaceExt
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