3 ms·

BOLT’s input is machine code and a profile from running the executable in production. This definitely puts it outside the conventional optimizing compiler becau

BOLT’s input is machine code and a profile from running the executable in production. This definitely puts it outside the conventional optimizing compiler because the conventional compiler has no information about how the code will actually be executed.

dbaupp 8y ago
That is how profile-guided optimisation (PGO) aka feedback-directed optimisation (FDO) works.