Report compilation stats when silent_solver=false (#633)

Author: odow

src/solution.jl

@@ -85,7 +85,11 @@ function solve!(
     if problem_vexity(p) in (ConcaveVexity(), NotDcp())
         throw(DCPViolationError())
     end
-    context = Context(p, optimizer_factory)
+    context, (stats...) = @timed Context(p, optimizer_factory)
+    if !silent_solver
+        s = round(stats.time; digits = 2), Base.format_bytes(stats.bytes)
+        @info "[Convex.jl] Compilation finished: $(s[1]) seconds, $(s[2]) of memory allocated"
+    end
     if silent_solver
         MOI.set(context.model, MOI.Silent(), true)
     end

test/test_constraints.jl

@@ -38,7 +38,7 @@ end
 
 function test_EqualToConstraint_violated()
     p = satisfy([constant(5) == 0])
-    @test_logs (:warn,) solve!(p, SCS.Optimizer)
+    @test_logs (:info,) (:warn,) solve!(p, SCS.Optimizer)
     return
 end
 
@@ -96,7 +96,7 @@ end
 
 function test_GreaterThanConstraint_violated()
     p = satisfy([constant(5) >= 6])
-    @test_logs (:warn,) solve!(p, SCS.Optimizer)
+    @test_logs (:info,) (:warn,) solve!(p, SCS.Optimizer)
     return
 end
 
@@ -145,7 +145,7 @@ end
 
 function test_LessThanConstraint_violated()
     p = satisfy([constant(5) <= 4])
-    @test_logs (:warn,) solve!(p, SCS.Optimizer)
+    @test_logs (:info,) (:warn,) solve!(p, SCS.Optimizer)
     return
 end
 
@@ -199,10 +199,10 @@ end
 function test_GenericConstraint_PositiveSemidefiniteConeSquare_violated()
     X = constant([1 2; 3 4])
     p = satisfy([X ⪰ 0])
-    @test_logs (:warn,) solve!(p, SCS.Optimizer)
+    @test_logs (:info,) (:warn,) solve!(p, SCS.Optimizer)
     X = constant([1 2; 2 3])
     p = satisfy([X ⪰ 0])
-    @test_logs (:warn,) solve!(p, SCS.Optimizer)
+    @test_logs (:info,) (:warn,) solve!(p, SCS.Optimizer)
     return
 end