Re: [pypy-dev] stmgc: rethinking the GC?

2015-12-22 Thread Maciej Fijalkowski
Armin: the luajit GC does not exist either, it's just a plan as far as I know On Tue, Dec 22, 2015 at 9:30 AM, Armin Rigo wrote: > Hi Remi, > > Just thinking about stmgc: currently it requires large transactions in > order to work efficiently. I think it is mostly caused by the fact > that trans

Re: [pypy-dev] stmgc: rethinking the GC?

2015-12-22 Thread Remi Meier
Hi Armin, I think we need to quantify how bad the minor GCs really are. They are thread-local and they should also take less time for shorter transactions. The last benchmark I looked at had a different problem that I would summarize as (1) time spent creating backup copies, (2) huge commit log e