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-rw-r--r--node_modules/webworker-threads/test/test17_pool_pi.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/node_modules/webworker-threads/test/test17_pool_pi.js b/node_modules/webworker-threads/test/test17_pool_pi.js
new file mode 100644
index 0000000..1d8128f
--- /dev/null
+++ b/node_modules/webworker-threads/test/test17_pool_pi.js
@@ -0,0 +1,67 @@
+
+
+var T= require('webworker-threads');
+
+var i= process.argv[2] || 1;
+console.log("Creating a pool of "+ i+ " threads");
+
+var pool= T.createPool(i);
+
+pool.all.eval(pi);
+
+function pi () {
+ var π= 0;
+ var num= 4;
+ var den= 1;
+ var plus= true;
+
+ while (den < 1e7) {
+ if (plus) {
+ π+= num/den;
+ plus= false;
+ }
+ else {
+ π-= num/den;
+ plus= true;
+ }
+ den+= 2;
+ }
+ return π;
+}
+
+var piValue= pi()+ '';
+var ctr= 0;
+function cb (err, data) {
+ if (err) throw data;
+ if (data !== piValue) throw "*** BAD DATA -> "+ [piValue, data];
+ ctr++;
+ if (threads[this.id]) {
+ threads[this.id]+= 1;
+ }
+ else {
+ threads[this.id]= 1;
+ }
+}
+
+var threads= [];
+i= Math.floor(process.argv[3]) || 1e3;
+console.log("The pool will run "+ pi+ ' '+ i+ " times\n");
+while (i--) {
+ pool.any.eval("pi()", cb);
+}
+
+var t= Date.now();
+function display () {
+ var e= Date.now()- t;
+ var tps= (ctr*1e3/e).toFixed(1);
+ console.log("threadsPerSecond: "+ tps+ ', pool.pendingJobs: '+ pool.pendingJobs()+ ', pool.idleThreads: '+ pool.idleThreads());
+ console.log("distribution : "+ threads.join('+ ')+ "= "+ ctr+ "\n");
+ if (!pool.pendingJobs()) {
+ pool.destroy();
+ clearInterval(interval);
+ console.log("Done, BYE !");
+ }
+}
+
+var interval= setInterval(display, 1e3);
+