all tasks

Task/Time-a-function/E/time-a-function.e

@@ -0,0 +1,17 @@
+def countTo(x) {
+	println("Counting...")
+	for _ in 1..x {}
+	println("Done!")
+}
+
+def MX := <unsafe:java.lang.management.makeManagementFactory>
+def threadMX := MX.getThreadMXBean()
+require(threadMX.isCurrentThreadCpuTimeSupported())
+threadMX.setThreadCpuTimeEnabled(true)
+
+for count in [10000, 100000] {
+	def start := threadMX.getCurrentThreadCpuTime()
+	countTo(count)
+	def finish := threadMX.getCurrentThreadCpuTime()
+	println(`Counting to $count takes ${(finish-start)//1000000}ms`)
+}