[Mono-dev] GC precision

Zoltán Tóth zo1980 at gmail.com
Thu Aug 7 18:10:10 UTC 2014

Hi, I am new here and to Mono. I am considering adopting Mono as my main
platform of programming. I am interested in the precision of the Mono
garbage collector.

A few months ago I already wrote to the mono-gc list, but have not got
answer, looks like that list is inactive.

Mono seems to have an exceptionally good description [1] of its GC. From
that I could learn that even the "precise" GC "still scans some parts of
the stack conservatively, these include the native frames below the last
managed frame, the last managed frame, frames belonging to managed->native
transitions, and all native frames above the first managed frame."

I suspect that that description is several years old. As being [admittedly]
paranoid of imprecise garbage collection, I hope that Mono may have got a
totally precise GC already and it is just not documented, advertised. Is
this the case? Or the documentation is still correct and the GC is still

[1] - http://www.mono-project.com/Generational_GC#Precise_Stack_Marking
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