From: Oliver Bandel <oliver@first.in-berlin.de>
To: "Will M. Farr" <farr@MIT.EDU>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Ocaml sums the harmonic series -- four ways, four benchmarks: floating point performance
Date: Sun, 23 Jan 2005 16:18:35 +0100 [thread overview]
Message-ID: <20050123151835.GC320@first.in-berlin.de> (raw)
In-Reply-To: <10E46C0C-6D05-11D9-B4DD-000393A34E82@mit.edu>
On Sun, Jan 23, 2005 at 01:07:30AM -0500, Will M. Farr wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> I'm running 10.3.7 -- I don't think there's any newer version. When I
> run harmonic4 as follows:
>
> time ./harmonic 1000000000
> 21.3005
>
> real 1m3.764s
> user 1m0.590s
> sys 0m0.130s
>
> the above is what I get. I'm not sure why I'm not exactly 2x faster
> than you, but there's plenty of things which could affect that.
>
> Running the bytecode on my system gives:
>
> time ./harmonic.bc 1000000000
> 21.3005
>
> real 11m51.239s
> user 11m11.600s
> sys 0m0.940s
>
> I would be pretty surprised to see the bytecode come even close to the
> native code version --- are you sure about the numbers on your system?
No, not more!
I have used the wrong binary! :(
I thought I had the same names for the executables, after recompiling
them for the test, but the native-code had a different name and so I called
the same file twice! :(
Sorry, I'm really chaotic these days! :(
Ciao,
Oliver
next prev parent reply other threads:[~2005-01-23 15:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-13 15:53 Will M. Farr
2005-01-13 17:29 ` [Caml-list] " John Prevost
2005-01-13 19:01 ` Will M. Farr
2005-01-13 20:24 ` John Prevost
2005-01-13 20:50 ` Erik de Castro Lopo
2005-01-13 21:32 ` Erik de Castro Lopo
2005-01-15 11:55 ` Xavier Leroy
2005-01-15 15:49 ` Michal Moskal
2005-01-15 17:01 ` [Caml-list] [FP performance] Ocaml sums the harmonic series Christophe TROESTLER
2005-01-15 17:13 ` [Caml-list] Ocaml sums the harmonic series -- four ways, four benchmarks: floating point performance Yaron Minsky
2005-01-23 2:27 ` Oliver Bandel
2005-01-23 6:07 ` Will M. Farr
2005-01-23 15:18 ` Oliver Bandel [this message]
2005-01-16 9:57 Philippe Lelédy
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=20050123151835.GC320@first.in-berlin.de \
--to=oliver@first.in-berlin.de \
--cc=caml-list@yquem.inria.fr \
--cc=farr@MIT.EDU \
/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).