0.1.4 FastShiftInOut

libraries/FastMap/examples/fastMap_performance_test/fastMap_performance_test.ino

@@ -0,0 +1,100 @@
+//
+//    FILE: fastMap_performance_test.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: demo of FastMap class ==> a faster map function
+//    DATE: 2014-11-02
+//     URL: https://github.com/RobTillaart/FastMap
+
+
+#include "FastMap.h"
+
+uint32_t start;
+uint32_t stop;
+uint32_t reference;
+
+volatile long zz = 3000, yy = 20000;
+volatile float x;
+volatile int z;
+
+FastMap mapper;
+FastMapDouble mapperD;
+
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println();
+  Serial.println(__FILE__);
+  Serial.print("FASTMAP_LIB_VERSION: ");
+  Serial.println(FASTMAP_LIB_VERSION);
+  Serial.println();
+  delay(100);
+
+  //  Get a non optimizable value;
+  z = analogRead(A0);
+
+
+  //  REFERENCE
+  start = micros();
+  for (int i = 0; i < 10000; i++)
+  {
+    x = map(z, 0, 1023, yy, zz);
+  }
+  stop = micros();
+  reference = stop - start;
+  Serial.print("MAP:\t");
+  Serial.println(reference);
+  Serial.print(z);
+  Serial.print(" -> ");
+  Serial.println(x);
+  Serial.println();
+  delay(100);
+
+
+
+  //  FASTMAP
+  mapper.init(0, 1023, yy, zz);
+  start = micros();
+  for (int i = 0; i < 10000; i++)
+  {
+    x = mapper.map(z);
+  }
+  stop = micros();
+  Serial.print("FASTMAP:\t");
+  Serial.println(stop - start);
+  Serial.print(z);
+  Serial.print(" -> ");
+  Serial.println(x);
+  Serial.print("Performance factor: ");
+  Serial.println(1.0 * reference / (stop - start));
+  Serial.println();
+  delay(100);
+
+
+
+  //  FASTMAPDOUBLE
+  mapperD.init(0, 1023, yy, zz);
+  start = micros();
+  for (int i = 0; i < 10000; i++)
+  {
+    x = mapperD.map(z);
+  }
+  stop = micros();
+  Serial.print("FASTMAPD:\t");
+  Serial.println(stop - start);
+  Serial.print(z);
+  Serial.print(" -> ");
+  Serial.println(x);
+  Serial.print("Performance factor: ");
+  Serial.println(1.0 * reference / (stop - start));
+  Serial.println();
+
+}
+
+
+void loop()
+{
+}
+
+
+//  -- END OF FILE --

libraries/FastMap/examples/fastMap_performance_test/performance_0.4.1_ESP32.txt

@@ -0,0 +1,13 @@
+fastMap_performance_test.ino
+FASTMAP_LIB_VERSION: 0.4.1
+
+MAP:	1814
+0 -> 20000.00
+
+FASTMAP:	627
+0 -> 20000.00
+Performance factor: 2.89
+
+FASTMAPD:	6924
+0 -> 20000.00
+Performance factor: 0.26

libraries/FastMap/examples/fastMap_performance_test/performance_0.4.1_UNO.txt

@@ -0,0 +1,14 @@
+
+fastMap_performance_test.ino
+FASTMAP_LIB_VERSION: 0.4.1
+
+MAP:	496072
+1023 -> 3000.00
+
+FASTMAP:	211888
+1023 -> 3000.00
+Performance factor: 2.34
+
+FASTMAPD:	211888
+1023 -> 3000.00
+Performance factor: 2.34