Dear Christy,
Your problem is probably too big for ASREML, especially if you are
using an animal model. YOu are the second person who has attempted
a data set of that size. I will have to consider how to handle
such problems.
As it stands assuming a simple model and pedigree, your problem would require
something like 700 000 animals by 8 traits by say 80 nonzero rows by 6 arrays
by 8 bytes = 21508 Mbytes = 22 Gbytes of RAM. This is a minimum.
A bivariate analysis by the same formula would require 700 000 x 2 x 20 x 6 x 8
= 1344 Mbytes which is probaably too big for most machines.
Even a univariate analysis would require at least 400 Mbyte but it might
be possible.
In the meanwhile, I suggest you try a simpler model [e.g. a sire model]
which may well run and give a good idea the components.
A memory allocation is printed on the top of the .asr file.
Memory allocation is controlled from the SYSTEM.INC file called
by aimain.f
Please let us know how you go.
Arthur
> To: asreml@chiswick.anprod.CSIRO.AU
> Subject: Using ASREML on Dec Alpha
> Date: Thu, 11 Jun 1998 14:39:09 CDT
> From: Christy Meyer <rosebud@iastate.edu>
>
> I am writing to request assistance from your discussion group. I am trying
> to use ASREML on a Dec Alpha machine with a Fortran 77 compiler. I would
> like to analyze 700,000 records (each with 8 variables). I keep receiving
> error message "6Too BIG! Use -s option." I have used the -s option in the
> command line. Does anyone have any suggestions how to increase the memory
> allocation for a Dec Alpha machine?
>
> Thank you,
> Christy Meyer
> Iowa State University
>
> ---
> Christy Meyer rosebud@iastate.edu
> 227 Kildee Hall (515) 294-2712
> Iowa State University
> Ames, IA 50011
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Arthur Gilmour PhD email: Arthur.Gilmour@agric.nsw.gov.au
Senior Research Scientist (Biometrics) fax: <61> 2 6391 3899
NSW Agriculture <61> 2 6391 3922
Orange Agricultural Institute telephone work: <61> 2 6391 3815
Forest Rd, ORANGE, 2800, AUSTRALIA home: <61> 2 6362 0046
ASREML is currently free by anonymous ftp from pub/aar on ftp.res.bbsrc.ac.uk
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in the IACR-Rothamsted information system http://www.res.bbsrc.ac.uk/
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