first code/readme/license commit

misc/tests/channelbenchmark.go

@@ -0,0 +1,36 @@
+package main
+
+import "time"
+import "fmt"
+import "sync"
+
+func main() {
+  fmt.Println("Testing speed of recv+send loop")
+  const count = 10000000
+  c := make(chan []byte, 1)
+  c<-[]byte{}
+  var wg sync.WaitGroup
+  worker := func () {
+    for idx := 0 ; idx < count ; idx++ {
+      p := <-c
+      select {
+        case c<-p:
+        default:
+      }
+    }
+    wg.Done()
+  }
+  nIter := 0
+  start := time.Now()
+  for idx := 0 ; idx < 1 ; idx++ {
+    go worker()
+    nIter += count
+    wg.Add(1)
+  }
+  wg.Wait()
+  stop := time.Now()
+  timed := stop.Sub(start)
+  fmt.Printf("%d iterations in %s\n", nIter, timed)
+  fmt.Printf("%f iterations per second\n", float64(nIter)/timed.Seconds())
+  fmt.Printf("%s per iteration\n", timed/time.Duration(nIter))
+}