update pi.fly

examples/pi/src/main/fly/fly/pi/pi.fly

@@ -1,20 +1,24 @@
-env local = [type:"local"]  
-  channel ch on local              
-  func hit(data){                   
-     random r          
-     var x = r.nextDouble()
-     var y = r.nextDouble()  
-     var msg=0  
-     if( (x*x)+(y*y) < 1.0 ){ msg=1 }
-     ch!msg  
-  }
-  func estimation(){ 
-     var sum = 0
-     var crt = 0
-     for i in [0:10000] {
-   	  sum += ch? as Integer 
-   	  crt += 1  
-     }
-     println "PI approximation is "+ (sum*4.0)/crt 
-  }
-  fly hit in [0:10000] on local thenall estimation
+var local = [type="smp",nthread=4] 
+
+var ch = [type="channel"] on local                       
+
+func hit(i){                                                          
+var r = [type="random"]              
+   var x = r.nextDouble()                          
+   var y = r.nextDouble()     
+   var msg=0
+   if((x*x)+(y*y)<1.0){msg=1}      
+   ch!msg   
+}  
+
+func estimation(){            
+   var sum = 0        
+   var crt = 0        
+   for i in [0:1000000] {     
+   	sum += ch? as Integer      
+   	crt += 1  
+}
+   println "pi estimation: "+ (sum*4.0)/crt  
+}
+
+fly hit in [0:1000000] on local thenall estimation