Nim + ORC for compiling "tools/nimgrep":
67701 lines; 0.527s; 134.93MiB peakmem
Nim + refc for compiling "tools/nimgrep":
67701 lines; 0.694s; 115.457MiB peakmem;
Yes, it's faster. It's easy to be mislead though as mm:orc pushes quite some complexity to compile time.