Merge pull request #106 from JuliaFEM/feature/TimerOutputs.jl

Use TimerOutputs.jl to measure time and memory performance

REQUIRE

@@ -5,3 +5,4 @@ HDF5 0.7
 DataFrames
 Formatting
 Logging
+TimerOutputs

src/JuliaFEM.jl

@@ -8,6 +8,13 @@ This is JuliaFEM -- Finite Element Package
 """
 module JuliaFEM
 
+using TimerOutputs
+const to = TimerOutput()
+function print_statistics()
+    println(to)
+end
+export print_statistics
+
 import Base: getindex, setindex!, convert, length, size, isapprox, similar,
              start, first, next, done, last, endof, vec, ==, +, -, *, /, haskey, copy,
              push!, isempty, empty!, append!, sparse, full, read

src/solvers.jl

@@ -673,10 +673,10 @@ function (solver::Solver{Linear})()
     info("Starting linear solver")
     info("Increment time t=$(round(solver.time, 3))")
     info(repeat("-", 80))
-    initialize!(solver)
-    assemble!(solver)
-    solve!(solver)
-    update!(solver)
+    @timeit to "initialize solver" initialize!(solver)
+    @timeit to "assemble problems" assemble!(solver)
+    @timeit to "solve linear system" solve!(solver)
+    @timeit to "update problems" update!(solver)
     t1 = round(Base.time()-t0, 2)
     info("Linear solver ready in $t1 seconds.")
 end

test/test_elasticity_2d_linear_with_surface_load.jl

@@ -55,3 +55,5 @@ using JuliaFEM.Testing
     u3_expected = f/E*[-nu, 1] + g/(2*E)*[-nu, 1]
     @test isapprox(u3, u3_expected)
 end
+
+print_statistics()