[AlotOfReading]

I regularly get OOMs at 16 GB/core doing debug builds. LLVM is practically a memory stress test.

[0x457]

Only if you use FatLTO. I've compiled LLVM many times with less memory.

GCC on the other hand is another story. On a machine that I was able to compiled LLVM (thanks swap), I couldn't even extract GCC source code.