From: Erik Rigtorp <erik@rigtorp.com>
To: yminsky <yminsky@gmail.com>
Cc: caml-list <caml-list@yquem.inria.fr>
Subject: Re: [***SPAM*** Score/Req: 10.1/8.0] Re: [***SPAM*** Score/Req: 10.1/8.0] Re: [Caml-list] Re: OCaml is broken
Date: Tue, 22 Dec 2009 13:04:37 +0100 [thread overview]
Message-ID: <a57051ba0912220404t2a9d22fp2d9e66fa6f9bb6b@mail.gmail.com> (raw)
In-Reply-To: <a57051ba0912211450q35af99a2vbe64c3a255cc2d4d@mail.gmail.com>
On Mon, Dec 21, 2009 at 23:50, Erik Rigtorp <erik@rigtorp.com> wrote:
> Some IPC Benchmarks, Solaris 10 on a quad core Intel Core2 Duo. The
> benchmarks are running on a cpuset with 1 core. I measure the time
> from sending in one process until the other process receives the
> message. So a context switch and the message passing is included in
> the measurements.
>
> Max/Min/Avg
> * Pipes: 28205/5973/6259
> * Unix domain sockets: 44256/7748/8153
> * SYSv message queues: 19197/5895/6173
> * Posix message queues: 37399/10965/11303
> * TCP on loopback: 29017/7471/7885
>
> So the latency is roughly 10µs for all these solutions. That latency
> is pretty high and would be several times the processing time of the
> message itself.
Some more benchmarks:
Max/Min/Avg
* Spinlocking shm: 50897/403/761 (This one utilizes multiple cores,
since one core is just burning while waiting for data)
* Pthreads mutex shm: 27582/5246/6577
Forgot to say that all measurements are in nanoseconds.
Erik
next prev parent reply other threads:[~2009-12-22 12:04 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-19 19:38 Jeff Shaw
2009-12-20 4:43 ` [Caml-list] " Jon Harrop
2009-12-20 12:21 ` [***SPAM*** Score/Req: 10.1/8.0] " Erik Rigtorp
2009-12-20 13:22 ` Martin Jambon
2009-12-20 13:47 ` Yaron Minsky
2009-12-20 16:01 ` Gerd Stolpmann
2009-12-21 22:50 ` [***SPAM*** Score/Req: 10.1/8.0] Re: [***SPAM*** Score/Req: 10.1/8.0] " Erik Rigtorp
2009-12-22 12:04 ` Erik Rigtorp [this message]
2009-12-22 12:27 ` Mihamina Rakotomandimby
2009-12-22 13:27 ` Gerd Stolpmann
2009-12-23 11:25 ` Erik Rigtorp
2009-12-29 12:07 ` [***SPAM*** Score/Req: 10.1/8.0] Re: [***SPAM*** Score/Req: 10.1/8.0] " Richard Jones
2009-12-20 14:27 ` Dario Teixeira
2009-12-20 21:14 ` Jon Harrop
2009-12-21 1:08 ` Gerd Stolpmann
2009-12-21 4:30 ` Jon Harrop
2009-12-21 3:58 ` Yaron Minsky
2009-12-21 5:32 ` Markus Mottl
2009-12-21 13:29 ` Jon Harrop
2009-12-26 17:08 ` orbitz
2009-12-20 19:38 ` [***SPAM*** Score/Req: 10.1/8.0] " Jon Harrop
2009-12-21 12:26 ` Mihamina Rakotomandimby
2009-12-21 14:19 ` general question, was " Keyan
2009-12-21 14:40 ` [Caml-list] " rixed
2009-12-21 14:42 ` Gerd Stolpmann
2009-12-21 15:25 ` Eray Ozkural
2009-12-21 14:50 ` Philip
2009-12-21 15:01 ` Keyan
2009-12-21 15:13 ` Stefano Zacchiroli
2009-12-21 15:27 ` Dario Teixeira
2009-12-21 15:46 ` Jacques Carette
2009-12-21 18:50 ` Jon Harrop
2009-12-21 18:48 ` Jon Harrop
2010-01-03 10:49 ` Sylvain Le Gall
2010-01-03 20:06 ` [Caml-list] " Jon Harrop
2009-12-21 13:07 ` [***SPAM*** Score/Req: 10.1/8.0] Re: [Caml-list] " Damien Doligez
2009-12-21 13:31 ` multicore wish [Was: Re: [Caml-list] Re: OCaml is broken] Goswin von Brederlow
2009-12-21 14:19 ` multicore wish Mihamina Rakotomandimby
2009-12-21 16:15 ` [Caml-list] " Fischbacher T.
2009-12-21 17:42 ` Dario Teixeira
2009-12-21 18:43 ` Jon Harrop
2009-12-21 19:53 ` multicore wish [Was: Re: [Caml-list] Re: OCaml is broken] Jon Harrop
2009-12-22 13:09 ` multicore wish Goswin von Brederlow
2009-12-22 19:12 ` [Caml-list] " Jon Harrop
2009-12-22 18:02 ` Edgar Friendly
2009-12-22 19:20 ` Jon Harrop
2009-12-24 12:58 ` Goswin von Brederlow
2009-12-24 16:51 ` Jon Harrop
2009-12-24 13:19 ` Goswin von Brederlow
2009-12-24 17:06 ` Jon Harrop
2009-12-27 12:45 ` Goswin von Brederlow
2009-12-27 16:37 ` Jon Harrop
2009-12-28 12:28 ` Gerd Stolpmann
2009-12-28 15:07 ` Anil Madhavapeddy
2009-12-28 18:05 ` Xavier Leroy
2009-12-29 16:44 ` Gerd Stolpmann
2009-12-20 11:56 ` [***SPAM*** Score/Req: 10.1/8.0] [Caml-list] Re: OCaml is broken Erik Rigtorp
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