Finds reasons of bloat in the WebAssembly binaries.

Install dependencies:

pip3 install octopus numpy matplotlib itanium-demangler
brew install graphviz

On Linux machines with evince PDF viewer use this command to allow zooming in.

gsettings set org.gnome.Evince page-cache-size 1000

Run sizer.py, it could either show what instructions are most popular in largest functions, or show the control flow graph, marking few largest functions per --count parameter in red.