diff --git a/bench/workload_chan.go b/bench/workload_chan.go
new file mode 100644
index 0000000..c75b85c
--- /dev/null
+++ b/bench/workload_chan.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"sync"
+)
+
+func chanWorkload(goroutines, ops, depth, bufsize int) error {
+	if goroutines%2 != 0 {
+		return fmt.Errorf("bad goroutines: %d: must be a multiple of 2", goroutines)
+	}
+
+	wg := &sync.WaitGroup{}
+	for j := 0; j < goroutines/2; j++ {
+		ch := make(chan struct{}, bufsize)
+		wg.Add(1)
+		go atStackDepth(depth, func() {
+			defer wg.Done()
+			for i := 0; i < ops; i++ {
+				ch <- struct{}{}
+			}
+		})
+		wg.Add(1)
+		go atStackDepth(depth, func() {
+			defer wg.Done()
+			for i := 0; i < ops; i++ {
+				<-ch
+			}
+		})
+	}
+	wg.Wait()
+	return nil
+}
diff --git a/bench/workloads.go b/bench/workload_mutex.go
similarity index 51%
rename from bench/workloads.go
rename to bench/workload_mutex.go
index 9315dfc..90b9883 100644
--- a/bench/workloads.go
+++ b/bench/workload_mutex.go
@@ -5,33 +5,6 @@ import (
 	"sync"
 )
 
-func chanWorkload(goroutines, ops, depth, bufsize int) error {
-	if goroutines%2 != 0 {
-		return fmt.Errorf("bad goroutines: %d: must be a multiple of 2", goroutines)
-	}
-
-	wg := &sync.WaitGroup{}
-	for j := 0; j < goroutines/2; j++ {
-		ch := make(chan struct{}, bufsize)
-		wg.Add(1)
-		go atStackDepth(depth, func() {
-			defer wg.Done()
-			for i := 0; i < ops; i++ {
-				ch <- struct{}{}
-			}
-		})
-		wg.Add(1)
-		go atStackDepth(depth, func() {
-			defer wg.Done()
-			for i := 0; i < ops; i++ {
-				<-ch
-			}
-		})
-	}
-	wg.Wait()
-	return nil
-}
-
 func mutexWorkload(goroutines, ops, depth int) error {
 	if goroutines%2 != 0 {
 		return fmt.Errorf("bad goroutines: %d: must be a multiple of 2", goroutines)