buffered_vs_unbuffered_channel_test.go

package main

import "testing"

func BenchmarkSynchronousChannel(b *testing.B) {
	ch := make(chan int)
	go func() {
		for i := 0; i < b.N; i++ {
			ch <- i
		}
		close(ch)
	}()
	for _ = range ch {
	}
}

func BenchmarkBufferedChannel(b *testing.B) {
	ch := make(chan int, 128)
	go func() {
		for i := 0; i < b.N; i++ {
			ch <- i
		}
		close(ch)
	}()
	for _ = range ch {
	}
}