Check out https://github.com/dominikh/go-tools/tree/master/cmd/structlayout and https://github.com/dominikh/go-tools/tree/master/cmd/structlayout-optimize
On Wednesday, February 6, 2019 at 8:20:06 PM UTC-8, Kurtis Rader wrote: > > > Is it practical to auto rearrange struct fields to reduce paddings in Go? > > Auto rearrange? Probably not. Manual rearrange? Maybe, if the struct isn't > part of a public API. If the struct is part of a private API removing the > padding could be counterproductive or harmful to performance if the layout > is intended to minimize false cache sharing between CPUs. Obviously whether > or not padding will be present also depends on the machine architecture. So > the author may intend for that padding (or lack thereof) because it > maximizes performance or some other metric on their platform. > > -- > Kurtis Rader > Caretaker of the exceptional canines Junior and Hank > -- 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. For more options, visit https://groups.google.com/d/optout.
