| Re: [eigen] slides of my talk |
[ Thread Index |
Date Index
| More lists.tuxfamily.org/eigen Archives
]
- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] slides of my talk
- From: Christian Mayer <mail@xxxxxxxxxxxxxxxxx>
- Date: Mon, 26 Jan 2009 17:53:08 +0100
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :reply-to:user-agent:mime-version:to:subject:references:in-reply-to :x-enigmail-version:content-type:content-transfer-encoding; bh=PX9T/hHqNS5bXU0ZZNNYOm5z6QYFBT2vAU2DfwWGXJY=; b=Qi9uoAgv4CwR56nlIKiZ2vft51nS0AgTb1wAq+UK6LDL2nI+xFPFuJtUuxVX/DNYBS kMuLlnDcnOlks1MtBY7ibM9VI8XlZhHBrcLExyJ5D5LzXHjbLbyeyD0U+/gBzpragufb eZ7ScoY6scWZ+qYK1pTyKCe2fuu6Lws/qdyEE=
- Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to :subject:references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=AlQwI8jz+I9xHV+te5xhQNn3Ib05fyJ3ycWofL4o9cjoGsMxT3bgmU0YfaWcfRU7bj 0fiqpX9P1BBjIT4Vc3T7crBv/LQcOMLnI1VFgRzbyJbdUxLyUg4RryOUbOeI4J9EAE01 dLmu1+XM2GaOFLQI4Bosep0x6aZ/abKOucisA=
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Gael Guennebaud schrieb:
> indeed, if you use matlab on relatively large dataset and you only use
> high level operators/routines then matlab is very fast because it
> relies on other state of the art library. There even exists plugins to
> perform some computations on the GPU...
>
> Said that, matlab is extremely slow as soon as you are doing some more
> low level stuff involving complex expressions or a lot of small
> computations... Matlab can be a couple of order of magnitude slower
> than a C/C++ equivalent code. It seems MatLab is missing a JIT
> compiler.
That's why you should avoid loops as much as possible and try to use
Matrix computations instead...
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)
iEYEAREIAAYFAkl96nMACgkQoWM1JLkHou2KCQCeJVhZznSziZ0MzsNxKZoFODxu
4mAAn11VZxTdRuyuTndlV0XB96fPWsMJ
=+CQ6
-----END PGP SIGNATURE-----