wip

Arduino/pi.ino

@@ -5,11 +5,10 @@
 * pi = 3.14159265358979323846
 */
 
-#define NPTS 1000000
+#define NPTS 100000
 
-int i;
 float a,b,c,pi,dt,mflops;
-unsigned long tstart,tend;
+unsigned long i,tstart,tend;
 
 void setup() {
    Serial.begin(115200);
@@ -26,6 +25,12 @@ void loop() {
    tend = millis();
    dt = (tend-tstart)/1000.0;
    mflops = NPTS*5.0/(dt*1e6);
-   printf("NPTS = %d, pi = %f\n",NPTS,pi);
-   printf("time = %f, estimated MFlops = %f\n",dt,mflops);
+   Serial.print("NPTS = ");
+   Serial.print(NPTS);
+   Serial.print(" pi = ");
+   Serial.println(pi);
+   Serial.print("time = ");
+   Serial.print(dt);
+   Serial.print(" estimated MFlops = ");
+   Serial.println(mflops);
    }

README.md

@@ -50,6 +50,7 @@
 |0.001|prior|Sun SPARCStation 1|C|prior|
 |0.001|prior|DEC VAX 8650|C|prior|
 |0.0007|prior|Intel 486|C|prior|
+|0.0001|[pi.ino](Arduino/pi.ino)|Arduino, floats|ATtiny1614|December, 2020|
 |0.00003|prior|Sun 3/60|C|prior|
 |0.00003|prior|Intel 286|C|prior|
 |0.000001|prior|Intel 8088|C|prior|