public inbox for cygwin@cygwin.com
 help / color / mirror / Atom feed
From: Marco Atzeri <marco.atzeri@gmail.com>
To: cygwin@cygwin.com
Subject: Re: Tester for openblas needed
Date: Tue, 21 Oct 2014 05:48:00 -0000	[thread overview]
Message-ID: <5445F384.705@gmail.com> (raw)
In-Reply-To: <BAY169-DS201BCE4DCECE478E49F36BA7970@phx.gbl>

On 10/21/2014 1:33 AM, Tony Kelman wrote:
>> openblas is written in C
>
> More assembly than C according to github's count. I'm used to building
> the full version of openblas including their optimized implementations
> of lapack routines, which bring in libgfortran. So nevermind.

I avoided to include lapack as for compatibility
I will need to split exactly as netlib in

cygblas-0.dll
cyglapack-0.dll

something for the future.

>> USE_THREAD=1 and  USE_OPENMP=1, can be used dynamically ;
>> if I am not wrong.
>
> What does your Makefile.conf say for NUM_CORES? I can't seem to get a
> test program with your build to use more than 2 cores (I have 4 + HT)
> by setting the OPENBLAS_NUM_THREADS environment variable.

NUM_CORES=2
I will ask on the OpenBlas mailing list

> -Tony

Regards
Marco



--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

  reply	other threads:[~2014-10-21  5:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-20 13:20 Marco Atzeri
2014-10-20 14:00 ` Tony Kelman
2014-10-20 14:34   ` Marco Atzeri
2014-10-20 16:16     ` Tony Kelman
2014-10-20 21:57       ` Marco Atzeri
2014-10-20 23:33         ` Tony Kelman
2014-10-21  5:48           ` Marco Atzeri [this message]
2014-10-21 11:56             ` Marco Atzeri
2014-10-21 12:39               ` Tony Kelman
2014-10-21 14:01                 ` Marco Atzeri
2014-10-21 16:59               ` Achim Gratz
2014-10-21 17:49                 ` Tony Kelman
2014-10-21 18:32                   ` Marco Atzeri
2014-10-21 18:03                 ` Marco Atzeri
2014-10-21 13:29         ` Marco Atzeri

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=5445F384.705@gmail.com \
    --to=marco.atzeri@gmail.com \
    --cc=cygwin@cygwin.com \
    /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 read-only IMAP folder(s) and NNTP newsgroup(s).