[ADMB Users] 10.1 ic > imax

Campbell, Alex Alex.Campbell at deedi.qld.gov.au
Thu May 19 18:14:38 PDT 2011

admb 10.0 and 9.1 on linux give me the same behaviour. so not a version
thing. one day "soon" i'll find time to debug..
convergence critieria is not necessarily the issue because that
determines ultimate convergence, not the question of whether the process
has hung
grepping "ic > imax" points me to fmmtr1.cpp and newfmin.cpp but without
debugging i'm not much wiser!

From: users-bounces at admb-project.org
[mailto:users-bounces at admb-project.org] On Behalf Of Campbell, Alex
Sent: Friday, 13 May 2011 4:33 PM
To: users at admb-project.org
Subject: [ADMB Users] 10.1 ic > imax

Hi folks 

I've recently installed admb 10.1 on a 'real' system (SuSE Linux
Enterprise Server 11 SP1, gcc 4.3) and I've noticed different behaviour
vs my 32-bit admb 10.0 windoze setup. Specifically the ic > imax is
minimum attained issue pops up on the 10.1 where it does not on the
10.0. Both installations give me the same parameter estimates, but
obviously a) something is different, b) it appears to be worse in the
newer version and c) it would be nice to know why. The first thing that
came to mind is that the default value of the convergence criterion
might have changed between 10.0 and 10.1 but I ran the new system with
-crit 1e-4 and same behaviour. 

Any ideas? 

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