[Developers] admb threading

[Hans J. Skaug]

Both are useful, but currently "transparent to the user" is the most important.

hans

>-----Original Message-----
>From: developers-bounces at admb-project.org [mailto:developers-
>bounces at admb-project.org] On Behalf Of Mark Maunder
>Sent: Thursday, November 29, 2012 8:23 AM
>To: John Sibert; ADMB Developers
>Subject: Re: [Developers] admb threading
>
>parallel code that is "transparent" to the user
>
>-----Original Message-----
>From: developers-bounces at admb-project.org [mailto:developers-
>bounces at admb-project.org] On Behalf Of John Sibert
>Sent: Wednesday, November 28, 2012 4:30 PM
>To: ADMB Developers
>Subject: [Developers] admb threading
>
>Johnoel and I need some feedback about how to approach threading. Dave
>has provided a nice proof of concept using pthreads to implement parallel
>processing on larger chunks of code. This approach is likely to have the
>biggest performance improvement, but seems application specific and would
>require more expertize on the part of users.
>
>Alternatively it is possible to implement threading internally in the ADMB
>libraries, concentrating on smaller chunks of code, for instance the solve(...)
>function. This approach would probably have smaller performance payoff in
>most applications, but would be more transparent to users.
>
>In principle, the two approaches are not mutually exclusive.
>
>So my question to the ADMB Developer group is what did we mean when we
>assigned a high priority to parallelization?  Do we want parallel code that is
>"transparent" to the user (if so what parts of the would have the highest
>priority)? Or do we want to develop tools that allow users to create their on
>threaded code for specific applications? (Don't tell me both.)
>
>Cheers,
>John
>PS enjoy the attached.
>
>--
>John Sibert
>Emeritus Researcher, SOEST
>University of Hawaii at Manoa
>
>Visit the ADMB project http://admb-project.org/
>
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