Active object: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,465: / Line 1,465: @@
 First column is time relative to start of processing, second column is object's output at that time.
+=== Using a task thread ===
+Variant using an independent task thread:
+<syntaxhighlight lang=J>delay=: 6!:3
+task=: {{
+  obj=. '' conew 'integra'
+  F__obj=: 1 o. o.
+  delay 2
+  F__obj=: 0:
+  delay 0.5
+  s=. S__obj
+  destroy__obj''
+  s
+}}
+coclass'integra'
+ reqthreads=: {{ 0&T.@''^:(0>.y-1 T.'')0 }}
+ time=: 6!:1
+ F=: 0:
+ K=: S=: SHUTDOWN=: 0
+ create=: {{
+  reqthreads cores=. {.8 T. ''
+  integrator t. '' T=: time''
+ }}
+ destroy=: {{ codestroy '' [ SHUTDOWN=: 1 }}
+ integrator=: {{
+  while. -.SHUTDOWN do.
+   t=. time''
+   k=. F t
+   S=: S + (k+K)*t-T
+   T=: t
+   K=: k
+  end.
+ }}
+</syntaxhighlight>
+This exhibits more timing variance because of the loose coupling of scheduling between threads:
+<syntaxhighlight lang=J>   task''
+.0194745
+   task''
+_4.40316e_15
+   task''
+.00874017
+   task''
+_0.0159841
+</syntaxhighlight>
 =={{header|Java}}==