Arduino speed test

speedtest.ino

int y;

float z;
int start;
String board = "Arduino Nano Every";
int sensorValue;

long loops = 1000000;

void setup() {
  Serial.begin(115200);
  pinMode(LED_BUILTIN, OUTPUT);
  delay(1000);
  Serial.print("Size of Int: ");
  Serial.println(sizeof(y));
  Serial.print("Size of Float: ");
  Serial.println(sizeof(z));
  Serial.print("Size of Long: ");
  Serial.println(sizeof(loops));
}

void loop() {
  start = millis();
  for(long w=0;w<10000;w++) {
    sensorValue = analogRead(A0);
  }
  Serial.print("ADC," + board + ",");
  Serial.println(millis() - start);

  //int test
  start = millis();
  for(long x=0;x<loops;x++) {
    y = y+x;
  }
  Serial.print("Int Sum," + board + ",");
  Serial.print(millis() - start);
  Serial.print(",");
  Serial.println(y);

  //int mult test
  start = millis();
  y=3;
  for(long x=0;x<loops;x++) {
    y = y*2;
    if (y>1000) { y=1; }
  }
  Serial.print("Int mult," + board + ",");
  Serial.print(millis() - start);
  Serial.print(",");
  Serial.println(y);

  z=0;
  start = millis();
  for(long w=0;w<loops;w++) {
    z = z+1;
  }
  Serial.print("Float Sum," + board + ",");
  Serial.print(millis() - start);
  Serial.print(",");
  Serial.println(z);

  z=1;
  start = millis();
  for(long w=0;w<loops;w++) {
    z = z*1.1;
    if (z > 1000) { z = 1.1; }
  }
  Serial.print("Float multi," + board + ",");
  Serial.print(millis() - start);
  Serial.print(",");
  Serial.println(z);

  z=1;
  start = millis();
  for(long w=1;w<loops;w++) {
    z = w/1.1 + z;
    if (z > 1000) { z=1;}
  }
  Serial.print("Float divide," + board + ",");
  Serial.print(millis() - start);
  Serial.print(",");
  Serial.println(z);

  //gpio test

  start = millis();
  for(long w=0;w<loops;w++) {
    digitalWrite(LED_BUILTIN, HIGH);
    digitalWrite(LED_BUILTIN, LOW);
  }
  Serial.print("GPIO test," + board + ",");
  Serial.println(millis() - start);

}