From: "Markus Mottl" <markus.mottl@gmail.com>
To: "Damien Doligez" <damien.doligez@inria.fr>
Cc: "caml users" <caml-list@inria.fr>
Subject: Re: [Caml-list] Ocaml 3.09.2+rc1
Date: Thu, 30 Mar 2006 10:45:52 -0500 [thread overview]
Message-ID: <f8560b80603300745w122c86c2kd9761c9c0446fb5c@mail.gmail.com> (raw)
In-Reply-To: <DDE75BD6-5BC9-4B93-865F-6F85FA01FBE3@inria.fr>
On 3/30/06, Damien Doligez <damien.doligez@inria.fr> wrote:
> + runtime: inefficiency of signal handling PR#3990
The extreme slowdown observed between 3.08.4 and 3.09.1 seems to be
fixed now. The example "slow.ml" in the bugtracker now runs approx.
two times slower without thread support with the CVS-release in
comparison to 3.08.4 (due to now correct signal handling), and I don't
see any mentionable slowdown anymore if thread support is compiled in.
The version compiled with thread support is about 30 times slower than
the one compiled without, but there is does not seem to be any way
around this considering the need for locking mutexes, signaling
condition variables, etc.
> + runtime: crashes with I/O in multithread programs PR#3906
I'm very happy to report that I haven't seen any instance of this
nasty problem in the effected application since the patch was
available in CVS, and we would quite likely have seen it already, as
it has been under fairly heavy load since then (for about a week).
All of the above has been tried with OCaml 3.09.2+dev6 (2006-03-22),
and I have proofread both patches, because we run our production
systems with them. There are only a few additional patches in RC1,
which we will skip until the final release, so we do not expect any
unwanted surprises.
I haven't investigated any of the other fixes that have already made
it into the CVS-release we are running, but we haven't seen any
problems so far.
Thanks for all the hard work making OCaml even better!
Best regards,
Markus
--
Markus Mottl http://www.ocaml.info markus.mottl@gmail.com
prev parent reply other threads:[~2006-03-30 15:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-30 12:20 Damien Doligez
2006-03-30 15:45 ` Markus Mottl [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=f8560b80603300745w122c86c2kd9761c9c0446fb5c@mail.gmail.com \
--to=markus.mottl@gmail.com \
--cc=caml-list@inria.fr \
--cc=damien.doligez@inria.fr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).