3 ms·

So to use this new optimization pass you have to specify it explicitly with an additional command line flag instead of it simply being turned on as an ordinary

So to use this new optimization pass you have to specify it explicitly with an additional command line flag instead of it simply being turned on as an ordinary part of PGO? It seems like most people who just want to squeeze the last drop of speed out of their code will probably never become aware of it then unless they are specifically seeking it out

mafuy 6y ago
It's an experimental feature. If it works well for a while, it may become part of the default. But it should definitely not be forced on everyone if it's not yet sure how well it works.