Thanks again all, Interestingly I noticed the same and my code does not call runtime.GC() so that is a good spot.
I wonder if something I have imported is doing so, I will audit all of the imports and take a look! On Friday, April 21, 2017 at 6:08:02 PM UTC+1, Jesper Louis Andersen wrote: > > On Fri, Apr 21, 2017 at 5:58 PM st ov <so.q...@gmail.com <javascript:>> > wrote: > >> @Jesper, curious how you determined that? >> Is it in the spec? or the source? >> Or is this a common GC pattern that you presume is being used? >> >> > There are a couple of design documents by Clements and Hudson which are > worth reading. They are well written, and they do a good job at > acknowledging both what problems are solved and what problems are left to > solve. > > Another source is this very mailing list. You can read what problems > people have had and then try to form a hypothesis around it. > > Finally, I have an acute interest in systems with low-latency > soft-realtime properties. Especially when those systems use garbage > collectors rather than manual memory management. This can sometimes inform > you about typical "pain points" in the system designs. > > It turns out my initial hypothesis must be rejected however. The gctrace=1 > output tells an entirely different story because normal collections are not > getting delayed in the mark termination phase, which is what my hypothesis > suggested. I cannot stress how important it is to measure. As for > understanding the gctrace=1 output, go with the documentation of 'package > runtime' rather than older blog posts. It is release-specific and thus > likely to change a little bit. Keep this in mind when you read older posts. > However, some of the posts by Dave Cheney seems good because they also tell > you a bit of background about what to look out for. > -- 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.
