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Re: profiler and/or debugger, loops vs vectorization
From: |
Jordi Gutierrez Hermoso |
Subject: |
Re: profiler and/or debugger, loops vs vectorization |
Date: |
Wed, 5 Jul 2006 15:26:13 -0500 |
On 05/07/06, David Grohmann <address@hidden> wrote:
unfortunately some of the loops are a little more complex then that, and
I'm a novice at matlab. The solution we will probably take is to just
make an oct file for that segment and write it in c++
Vectorising looks very hacky at first, but one gets used to it. It
would be nice to have JIT for Octave and allow for-loops galore, as I
guess that this is the greatest performance issue that newcomers to
Octave first observe, and it compares unfavourably with the
competition (on the upside, tic-tocking also reveals that several of
Octave's built-in functions perform better than the other leading
brand).
Unfortunately, a stroll through the mailing list archives reveals that
JIT is a very difficult thing to do. I wish I could contribute to it
myself, but I wouldn't know where to begin.
- Jordi G. H.
(With apologies to David Grohmann for sending this response twice. I
keep forgetting to message the list instead of individuals.)
- Re: profiler and/or debugger, loops vs vectorization, John W. Eaton, 2006/07/01
- Re: profiler and/or debugger, loops vs vectorization, David Bateman, 2006/07/01
- Re: profiler and/or debugger, loops vs vectorization, David Grohmann, 2006/07/05
- Re: profiler and/or debugger, loops vs vectorization, David Bateman, 2006/07/05
- Re: profiler and/or debugger, loops vs vectorization, John W. Eaton, 2006/07/05
- Re: profiler and/or debugger, loops vs vectorization, Andy Adler, 2006/07/05
- Re: profiler and/or debugger, loops vs vectorization, David Grohmann, 2006/07/05
- Message not available
- Re: profiler and/or debugger, loops vs vectorization,
Jordi Gutierrez Hermoso <=
- Re: loops vs vectorization, Robert A.Macy, 2006/07/05
- Re: loops vs vectorization, Rafael Almeida, 2006/07/05
- Re: loops vs vectorization, Robert A.Macy, 2006/07/05
- Re: loops vs vectorization, Ozzy Lash, 2006/07/05
- Re: loops vs vectorization, Robert A.Macy, 2006/07/05
- Re: loops vs vectorization, Ozzy Lash, 2006/07/06
- Re: loops vs vectorization, Joan Picanyol i Puig, 2006/07/06
- Re: loops vs vectorization, Paul Kienzle, 2006/07/06
- Re: loops vs vectorization, Joan Picanyol i Puig, 2006/07/07
- Tics, Graupner, Achim Dr., 2006/07/07