diff --git a/scripts_future_API/test_pipeline.jl b/scripts_future_API/test_pipeline.jl
index 73335124..02084f08 100644
--- a/scripts_future_API/test_pipeline.jl
+++ b/scripts_future_API/test_pipeline.jl
@@ -2,14 +2,14 @@ using FastIce.Utils
 
 function main()
     pipes = [Pipeline() for _ in 1:6]
-    for iter in 1:100
+    for iter in 1:10
         for ip in eachindex(pipes)
             put!(pipes[ip]) do
-                sleep(1/60)
+                sleep(0.001)
                 println("  inside pipeline #$(ip)!")
             end
         end
-        sleep(1/10)
+        sleep(0.01)
         println("outside, iter #$(iter)!")
         take!.(pipes)
         println()