pgo is great tool for optmize branch prediction, hope branch prediction feature merge into pgo as soon as possible
On Tuesday, March 21, 2023 at 5:49:34 AM UTC+8 Ian Lance Taylor wrote: > On Mon, Mar 20, 2023 at 9:17 AM cheng dong <qq451...@gmail.com> wrote: > > > > i see golang source ssa guess BranchLikely/BranchUnLikely, however we > could not tell golang whether if is likely or unlikely. and looks the guess > logic might be far away from real condition > > We don't want to complicate the language. Also, surprisingly, > experience shows that programmers are often mistaken as to whether > branches are likely or not. Instead, we are investigating > profile-guided optimization to make those choices. See > https://go.dev/blog/pgo-preview. > > Ian > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/5e2b7f20-ba6d-4137-9d68-ad655d0ca624n%40googlegroups.com.
