Thanks for the explanation.
On Friday, May 21, 2021 at 4:16:45 PM UTC-4 Ian Lance Taylor wrote:
> On Fri, May 21, 2021 at 7:46 AM tapi...@gmail.com <tapi...@gmail.com>
> wrote:
> >
> > From the outputs of the following program,
> > it looks the stack of a goroutine doesn't shrink immediately.
> > Will it shrink at some point eventually?
> >
> >
> > package main
> >
> > func f(i int) byte {
> > type T int // avoid f being inline
> > var a [1<<20]byte // make stack grow
> > return a[i]
> > }
> >
> > func main(){
> > var x int
> > println(&x) // 0xc000034770
> > f(100)
> > println(&x) // 0xc0002fff70
> >
> > // It looks the stack hasn't shrunk here.
> >
> > f(100)
> > println(&x) // 0xc0002fff70
> > }
>
> Stack shrinking occurs during garbage collection, and only if the
> goroutine isn't doing anything and isn't sitting in a system call or a
> cgo call.
>
> 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/cbf3fb87-13ed-44e8-96db-e7e8c608f96bn%40googlegroups.com.
