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libraries/TaskScheduler-master/examples/Scheduler_example10_Benchmark/Scheduler_example10_Benchmark.ino

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+
+/**
+ * This is a test to benchmark TaskScheduler execution.
+ * 
+ * This test executes 1,000,000 cycles of a task with empty callback method
+ * Compiled with different options, you can assess the impact of each on the size of the Task object
+ * and the execution overhead of the main execution pass route.
+ *
+ * Sample execution times (in milliseconds per 1M iterations) are provided below.
+ * The test board is Arduino UNO 16MHz processor.
+ *
+ 
+TaskScheduler 2.1.0:
+No modifiers
+Duration=19869
+
+with SLEEP
+Duration=20058
+
+with status request:
+Duration=20058
+
+with time critical:
+Duration=27289
+
+
+TaskScheduler 1.9.0:
+No modifiers
+Duration=15656
+
+with SLEEP
+Duration=16285
+
+with status request:
+Duration=16600
+
+with rollover fix:
+Duration=18109
+
+
+TaskScheduler 1.8.5:
+Duration=15719
+
+with SLEEP
+Duration=16348
+
+with status request:
+Duration=18360
+
+with rollover fix:
+Duration=18423
+
+ */
+
+
+//#define _TASK_TIMECRITICAL     // Enable monitoring scheduling overruns
+//#define _TASK_STATUS_REQUEST     // Compile with support for StatusRequest functionality - triggering tasks on status change events in addition to time only
+//#define _TASK_WDT_IDS          // Compile with support for wdt control points and task ids
+//#define _TASK_LTS_POINTER      // Compile with support for local task storage pointer
+//#define _TASK_SLEEP_ON_IDLE_RUN
+//#define _TASK_MICRO_RES
+#include <TaskScheduler.h>
+
+Scheduler ts;
+
+// Callback methods prototypes
+bool tOn(); void tOff();
+void callback();
+
+// Tasks
+Task t(TASK_IMMEDIATE, 1000000, &callback, &ts, false, &tOn, &tOff);
+
+unsigned long c1, c2;
+
+bool tOn() {
+  c1 = millis();
+  c2 = 0;
+  
+  return true;
+}
+
+void tOff() {
+  c2 = millis();
+  Serial.println("done.");
+  Serial.print("Tstart =");Serial.println(c1);
+  Serial.print("Tfinish=");Serial.println(c2);
+  Serial.print("Duration=");Serial.println(c2-c1);
+}
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  Serial.print("Start...");
+
+  t.enable();
+}
+
+void callback() {
+  
+}
+
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  ts.execute();
+}