The documentation is correct. The current runtime.GC() implementation
invokes a Stop The World (STW) GC that completes before runtime.GC()
returns. It is useful when doing benchmarking to avoid some of the
non-determinism caused by the GC.




On Tue, Nov 29, 2016 at 1:15 PM, Ian Lance Taylor <i...@golang.org> wrote:

> [ +rlh, austin ]
>
> On Tue, Nov 29, 2016 at 7:29 AM, Carlos <uldericofi...@gmail.com> wrote:
> > Hi,
> >
> >
> > In https://golang.org/pkg/runtime/#GC it says:
> >
> >> It may also block the entire program.
> >
> >
> > Is this still correct? I understand that GC still pauses, but being under
> > 100us mark I wonder this affirmative still makes sense.
> >
> > All in all, if it does block, it will block no longer than 100us.
> >
> >
> >
> > - cc
> >
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