timing + benchmark

Author: ericphanson

gcbench.jl

@@ -0,0 +1,30 @@
+using PythonCall, Test
+
+# https://github.com/JuliaCI/GCBenchmarks/blob/fc288c696381ebfdef8f002168addd0ec1b08e34/benches/serial/append/append.jl
+macro gctime(ex)
+    quote
+        local prior = PythonCall.GC.SECONDS_SPENT_IN_GC[]
+        local ret = @timed $(esc(ex))
+        Base.time_print(stdout, ret.time * 1e9, ret.gcstats.allocd, ret.gcstats.total_time, Base.gc_alloc_count(ret.gcstats); msg="Runtime")
+        local after = PythonCall.GC.SECONDS_SPENT_IN_GC[]
+        println(stdout)
+        Base.time_print(stdout, (after - prior) * 1e9; msg="Python GC time")
+        println(stdout)
+        ret.value
+    end
+end
+
+function append_lots(iters=100 * 1024, size=1596)
+    v = pylist()
+    for i = 1:iters
+        v.append(pylist(rand(size)))
+    end
+    return v
+end
+
+@time "Total" begin
+    @gctime append_lots()
+    @time "Next full GC" begin
+        GC.gc(true)
+    end
+end