E-infrastructure shared between Europe and Latin America www.eu-eela.org 1 EELA is a project funded by the European Union under contract 026409 E-Infraestructure.

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Presentation transcript:

E-infrastructure shared between Europe and Latin America 1 EELA is a project funded by the European Union under contract E-Infraestructure shared between Europe and Latin America Grupo de Meteorología Aplicada Universidad de Cantabria/Instituto de Física de Cantabria Antonio S. Cofiño GRID distributed computation of nested climate simulations. The project Reunión Red Ibérica MM Abril 2007 Aveiro, Portugal EELA.org

E-infrastructure shared between Europe and Latin America 2 GRID Computing Applications draw computing power from a Computational Grid in the same way electrical devices draw power from an electrical grid

E-infrastructure shared between Europe and Latin America 3 GRID Computing Developed in the mid-90 Use of distributed, heterogeneous, dynamic and, usually, parallel computational resources. Middleware and standard software to build applications (Globus Toolkit, OGSA, …) Several research projects (and comercial products) developing this technology. Applications draw computing power from a Computational Grid in the same way electrical devices draw power from an electrical grid

E-infrastructure shared between Europe and Latin America 4 EELA Goals E-infrastructure shared between Europe and Latin America Goal: To build a bridge between consolidated e-Infrastructure initiatives in Europe and emerging ones in Latin America. Objectives: –Establish a human collaboration network between Europe and Latin America –Setting a pilot e-infrastructure in Latin America –Identifying and promoting a sustainable framework for e-Science in Latin America

E-infrastructure shared between Europe and Latin America 5 EELA structure EELA is structured in four Working Packages: WP1. Project administrative and technical management WP2. Pilot testbed operation and support WP3. Identification and support of Grid-enhanced applications –Task 3.1. Biomed Applications –Task 3.2. High Energy Physics Applications –Task 3.3. Additional Applications:  E-Learning  Climate WP4. Dissemination activities

E-infrastructure shared between Europe and Latin America 6 Partners EU –Spain: CIEMAT, CSIC, UPV, RED.ES, UC –Italy: INFN –Portugal: LIP Latin America –Venezuela: ULA –Cuba: CUBAENERGIA –Chile: UTFSM, REUNA, UDEC –Peru: SENAMHI –Mexico: UNAM –Argentina: UNLP –Brazil: UFRJ, CNEN, –CECIERJ/CEDERJ, RNP, UFF International –CLARA –CERN

E-infrastructure shared between Europe and Latin America 7 Available resources

E-infrastructure shared between Europe and Latin America 8 WP 3.3b. Climate We deal with a climate challenge with huge socio-economical impact in Latin America: El Niño phenomenon. The Grid helps to access the infrastructure and know-how in a user- friendly way. Three different applications have been identified: –Global atmospheric circulation model (CAM) deployed! –Regional weather model (WRF) deployed! –Datamining clustering tools (SOM) Scientific challenge: High resolution regional simulations over Latin American regions for El Niño and strong events. Comparison with historical local data, including sensitivity studies to SST and parameterizations. The problem is well suited for its execution on the Grid since many independent simulations will be needed.

E-infrastructure shared between Europe and Latin America 9 SE Challenging computational problem with nontrivial dependent relationships among the applications. A cascade of dynamic dependent jobs is adopted. The cascade of applications interacts with the middleware to: –Prepare and submit dependent jobs. –Store and retrieve the generated data sets (data sharing). –Manage metadata (for the data sets and application status). –Restarting broken experiments CAM WRF (par 1) WRF (par 2) WRF (par n) … SE SOM Computational challenge SOM … SE SST + other forcings

E-infrastructure shared between Europe and Latin America 10 CAM & WRF The Community Atmosphere Model (CAM) and the Weather Research and Forecasting (WRF) models are state-of-the-art atmosphere (global and regional) models developed at NCAR. Output format: NetCDF CAM: FORTRAN90 system() calls were introduced into the model to make it move data and status info to the Grid catalogs (LFC and AMGA) WRF: The model does not yet interact with the middleware. Although it runs in the Grid testbed, it is not yet coupled to CAM.

E-infrastructure shared between Europe and Latin America 11 DEMO

E-infrastructure shared between Europe and Latin America 12 Current status Using GENIUS to interact with the applications (CAM+WRF). In the future a climate specific portal will be developed (JSR168) to run and track scientific experiments.

E-infrastructure shared between Europe and Latin America 13

E-infrastructure shared between Europe and Latin America 14 The CAM namelist needs to be prepared and provided here by the user. (not very user-friendly, yet)

E-infrastructure shared between Europe and Latin America 15 &camexp absems_data = ‘lfn:/grid/eela/.../abs_ems_factors.nc‘ aeroptics = ‘lfn:/grid/eela/.../AerosolOptics.nc‘ bnd_topo = ‘lfn:/grid/eela/.../topo-from-cami.nc‘ bndtvaer = ‘lfn:/grid/eela/.../AerosolMass.nc' bndtvo = 'lfn:/grid/eela/.../pcmdio3.nc‘ bndtvs = 'lfn:/grid/eela/.../sst_HadOIBl.nc' caseid = 'nino82d' iyear_ad = 1982 start_ymd = ncdata = 'lfn:/grid/eela/.../cami.nc‘ mfilt = 1,4,1...

E-infrastructure shared between Europe and Latin America 16

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E-infrastructure shared between Europe and Latin America 20 Currently, the regions are prepared off-line and uploaded to the LFC.

E-infrastructure shared between Europe and Latin America 21 All CAM simulations are available for regionalization with WRF, but the coupler CAM -> WRF is NOT yet implemented

E-infrastructure shared between Europe and Latin America 22 However, we have other input data sets for WRF available in the catalog.

E-infrastructure shared between Europe and Latin America 23 The simulations finished provide access to the results

E-infrastructure shared between Europe and Latin America 24 The output file can be downloaded in NetCDF format or accessed via a THREDDS or OpenDAP aware application.

E-infrastructure shared between Europe and Latin America 25 For instance, the toolsUI java application from Unidata can load the OpenDAP (DODS) address and access only the requested portions of the data

E-infrastructure shared between Europe and Latin America 26 NOAA provides user-friendly access to setup regional domains for WRF

E-infrastructure shared between Europe and Latin America 27 This Java Web Start application could in the future be launched from our web portal as starting point to design a regional simulation