Congrats for this BETA release!
About the stars benchmark, there is a typo line 9 :
https://gist.github.com/amirrajan/e26fc9de3c20e7c395f6809a9946d1b9#file-dragonru...
The "tiny-star.png" is in the "misc" sub-folder.
@path = 'sprites/misc/tiny-star.png'