To be fair, you are measuring "startup time" in this sample (and per your figures, it increased by 0.02 sec only). It doesn't matter for serious apps that run more than 3 seconds long (e.g. FastCGI scripts, GUI apps, etc). And if you are worried about startup time, it's possible (according to their documentation) to either disable encoding at all, or lower the number of encoding iterations applied (in your sample, it's 10; you can lower it to e.g. 3).