From: "Ludovic Courtès" <ludo@gnu.org>
To: Stefan Israelsson Tampe <stefan.itampe@gmail.com>
Cc: 39361@debbugs.gnu.org
Subject: bug#39361: continuation and gc performance
Date: Sun, 22 Mar 2020 21:51:31 +0100 [thread overview]
Message-ID: <87wo7ct8oc.fsf@gnu.org> (raw)
In-Reply-To: <CAGua6m2KPaZvTz3Gm7pX-4yMqYCNZJO6Mzjvk6+P66pd3W=dYw@mail.gmail.com> (Stefan Israelsson Tampe's message of "Sat, 21 Mar 2020 21:43:49 +0100")
Hi,
Stefan Israelsson Tampe <stefan.itampe@gmail.com> skribis:
> That function marks the working stack no, what about stack segments in
> continuations will they be marked correctly as well?
Oh you’re right, from a quick look at continuations.c, a continuation’s
stack appears to be conservatively scanned (allocated with
‘scm_gc_malloc’).
My intuition is that it’s “good enough” in most cases, but could affect
GC performance a tiny bit in continuation-heavy code, such as Fibers.
Ludo’.
prev parent reply other threads:[~2020-03-22 20:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAGua6m1DQ+=VoypegHmcAELrHVb-s=DymVv6nMJQoj7aN9=EuA@mail.gmail.com>
2020-01-30 21:10 ` bug#39361: continuation and gc performance Stefan Israelsson Tampe
2020-03-21 17:33 ` Ludovic Courtès
2020-03-21 20:43 ` Stefan Israelsson Tampe
2020-03-22 20:51 ` Ludovic Courtès [this message]
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