[syrusakbary]

It's strange that llvm runs slower (perhaps the of the 5s some of that is spent being compiled).

Could you share the fill_buffer.wasm (or the WAT file) so I can do some tests? Thanks!

[fwsgonzo]

Here you go: https://gist.github.com/fwsGonzo/2968cf0bc3364eb1ff0e0500569...

Hopefully I did not mess anything up!