[MITgcm-support] 1D optimisation / optimization

[Nicholas Rogan]

Sorry, I should add that for now I’m happy to ignore advection, but would like vertical transport and diffusive fluxes to be active. I adapted from the 1D ice column verification scripts so there is some external forcing running. I tried to disable this but it flashed up with some errors I didn’t understand when trying to run. I have closed boundaries and 9 tracers which are all active in the DIC package.

My list of packages at compile time is here:

ptracers
gchem
dic
generic_advdiff
gmredi
mdsio
mom_fluxform
mom_vecinv
sbo
timeave
rw
monitor
cd_code
mnc
diagnostics
#seaice
#exf
#cal
#gfd
mom_common
debug
kpp
seaice
exf

And at runtime I specify:

 &PACKAGES
  useGMRedi=.TRUE.,
  usePTRACERS=.TRUE.,
  useKPP    = .TRUE.,
#  useCAL    = .FALSE.,
  useEXF    = .TRUE.,
  useSEAICE = .FALSE.,
  useDiagnostics = .TRUE.,
#  useECCO   = .TRUE.,
  useGrdchk = .FALSE.,
  useMNC    = .TRUE.,
  useGCHEM  = .TRUE.,
 &

Sorry for omitting this first time round!

Nick


On 30 Jan 2015, at 16:11, Nicholas Rogan <nrogan at geomar.de> wrote:

> Hi everyone,
> 
> I was wondering if anyone had any advice on optimising model setups?
> 
> I’m currently running a 1D water column that i have adapted from a much larger global simulation setup that I worked on during my PhD.  I had a lot of custom code that I wanted to retain so I have ended up with a bit of a weird hybrid thing. I’m competent when running and adapting code but a little sketchy when building package layers from scratch. :)
> 
> Does anyone have any advice on establishing what packages are necessary and what can be trimmed when moving to a 1D setup?  I am using pTracers, DIC and whole bunch of other packages, which obviously have a lot of hefty routines, particularly the GAD routines,which are now largely redundant but could still be using a lot of model time.
> 
> Any quick tips or links to prior threads? Couldn’t find much when searching site specific in google.
> 
> Thanks!
> 
> Nick
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