Re: out-of-control GC

[Linas Vepstas <linasvepstas@gmail.com>]

Tomas, Hans, Mark,

Thanks looking at it now.

--linas


On Mon, Sep 11, 2017 at 3:22 AM, <tomas@tuxteam.de> wrote:

>
> To just add one more: total memory usage (gc and non-gc) seems to enter
> the gc triggering heuristics [1] (I couldn't follow in detail how, and I
> don't know whether this is still valid in the 2.2 branch).
>
> [1] http://git.savannah.gnu.org/cgit/guile.git/tree/libguile/
> gc.c?h=v2.0.13#n770
>


Hans wrote:
> Does it have to do with this issue [1], that the Boehm GC initially uses
a small amount of heap. One can use say
>   export GC_INITIAL_HEAP_SIZE=50G
> on the shell command line before running the program.

> 1. https://gith <https://github.com/Macaulay2/M2/issues/500>
ub.com/Macaulay2/M2/issues/500 <https://github.com/Macaulay2/M2/issues/500>

Mark wrote:
> If you'd like to learn how Boehm GC decides when to run, I would
> encourage you to read <http://www.hboehm.info/gc/gcdescr.html>.  I've
> selected some relevant excerpts below.


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