ITM framework

1
ITM framework toolsB.Guillerminet, on behalf
of the ITM ISIP teams
EDSG Kick off meeting 2008
2
Framework for the European Integrated Modelling

• Objectives
• Understanding of the ITM infrastructure
  (Overview)
• Model
• Behaviour
• Resources
• Knowledge of the tools (Tools)
• ISE
• Kepler
• How to proceed
• Acronyms CPO, UAL, ISE, Kepler, actors,
• Others talks
• Data Structure (F Imbeaux)
• UAL (G. Manduchi)

3
Overview

• Model
• Comprehensive Model of the Fusion Machine
  plasma
• Description (name, geometry)
• Parameters (value)
• ITM chooses a standard naming
• ITM provides tools to access/store/use/visualize
  these parameters
• Behavior
• one element your code which models the behavior
  of the element
• set of elements orchestration and codes coupling
• ITM provides a structure to integrate your
  element
• ITM provides a tool to orchestrate the workflow
• Resources
• Gateway
• HPC, GRID

• Tools
• ISE editor of parameters
• UAL library for storing retrieving parameters
  data

• Tools
• Kepler

4
Model

• Standard naming for Tokamak plasma description
• Example for equilibrium
• CPO Consistent physical object (heating system,
  diagnostic)
• Version 4.06 (see F Imbeauxs talk)
• Available for any languages C, C, F90/95/2003,
  Java, Matlab, Scilab tool to build the include
  files
• Area for code name, version specific parameters

5
ISE tool to edit the parameters

• ISE editor
• Parameters setting
• Waveform/arrays
• ISE simulation control interface
• Check
• Run
• monitor
• Status
• 1st release March 08

6
Data access UAL

• Simple Access ITM library (UAL)
• euitm_open()
• euitm_get()
• euitm_put()
• euitm_close()
• APIs for any languages
• C/C
• Fortran 90/95, 2003
• Java
• Matlab
• Scilab
• Advantages
• Hide the data storage location
• Used for the codes coupling

program helena_itm_test use euITM_schemas use
euITM_routines call euitm_open(treename,shot,run
,idx) call euitm_get(idx,"equilibrium",equil_in) a
llocate(equil_out(1)) call helena_itm(equil_in(1)
,equil_out(1),helena_par) call
euitm_put(idx,"equilibrium",equil_out)
7
Behavior Code

• Languages
• C/C, F90/95, F2003, Java,
• Data access through the UAL (previous slide)
• Independent of the storage
• The framework does not know our data
• Read ? euitm_get()
• Write ? euitm_put()
• ITM provides tools to integrate your code in the
  framework
• Local (JNI based tool)
• Remote (Web Service based tool)

8
Code integration
gtone-click integration of C/C, Fortran local
codes GUI tool define the arguments (CPOs,
compiler, libraries) JNI based gtone-click
integration of C/C, Fortran remote codes GUI
tool define the arguments Automatic generation
of Web Services based on gSOAP gtone-click
catalogue insertion GUI tool XML based
Automatic generation of the actor (code,
component, )
9
Behavior orchestration/workflow engine
KEPLER Based on Ptolemy II (Berkeley), San Diego,
world widely used, friendly tool 2 main
usages gtdesign of workflow gtsimulation
execution of the workflow
Run control buttons
Scheduler time behavior
Catalogues
Many actors database, math, display, web
service, grid service, R-expression, Many
directors DE, CT, SDF, PN, DDF and more in
Ptolemy II (FSM, Giotto, DDE) Your code will
appear here
10
Design of a workflow

• Design
• Choose your actors (here Helena and several
  general purpose actors)
• Drag drop them in the design area
• Connect the actors gt draw a link between input
  output port
• Define the director and its parameters

11
A simple fusion workflow
Fusion codes

• Define
• Machine
• Shot number
• reference

• Read database
• Store the data parameters in memory

• Store in the database

12
Execution of a workflow

• Simulation
• Push the button

13
Additional tools
Visualization gt2D, 3D data plots gton-line
monitoring gtMeshing Post-processing gtScilab
14
Resources

• ITM provides resources for
• Data storage
• 100TB (46TB today) on the gateway
• CPU allocation
• 1TFlops on the gateway
• Many hundred of TFlops on Euforia
• Gateway
• Hosted by ENEA _at_ Portici
• Cluster of 32 x AMD 4 core 64 bits
• Scientific Linux v5
• Installation of the ITM applications in progress
• Will be available for ITM users in a couple of
  weeks
• Euforia
• Started in January 08
• 14 laboratories
• GRID (distributed) HPC (parallel) computing

15
Summary

• ITM provides an infrastructure and tools for
  fusion modelling
• Standard naming, data structure
• CPO
• ISE internal tools
• Data access and storage
• UAL
• Simulation
• KEPLER
• Resources
• Gateway

16
References

• KEPLER
• http//www.kepler-project.org/
• http//users.sdsc.edu/altintas/KeplerTutorial/
• ITM http//www.efda-taskforce-itm.org/
• Gateway http//www.efda-itm.eu
• Euforia web site in construction
• Ptoloemy II http//ptolemy.eecs.berkeley.edu/publ
  ications/