Advancements in Fusion Application Porting in EGEE: Insights and Results from EGUFORIA
This presentation details the experience gained from porting fusion applications within the EGEE framework. It addresses serial fusion problems, highlights the establishment of the Fusion Virtual Organization (VO), and showcases the ongoing applications and results. Key advancements in application upgrades and new methodologies, including Monte Carlo codes for plasma-wall interactions and various optimization techniques for tokamaks and stellarators, are discussed. Final remarks include the importance of collaboration and workflow orchestration in improving scientific output in fusion research.
Advancements in Fusion Application Porting in EGEE: Insights and Results from EGUFORIA
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Presentation Transcript
Fusion Application porting within EGEE - III • F. Castejón (CIEMAT) • Fusion Cluster Leader • francisco.castejon@ciemat.es • Egee08, Istambul (Turkey) • 22 - 26 September 2008
Contents • Introduction: Serial Fusion Problems. • EGEE Experience: • Fusion VO. • Running Applications & Results. • New Applications and upgrades. • Euforia Applications. • Final Remarks
Contents • Introduction: Serial Fusion Problems. • EGEE Experience: • Fusion VO. • Running Applications & Results. • New Applications and upgrades. • Euforia Applications. • Final Remarks
Grids and distributed problems • Monte Carlo codes (Langevin Equation): • Plasma-wall interaction; neutral particle orbits. • Kinetic transport: Particle orbits in toks. and stell. • … • Parameter Variation: • Stellarator Optimization • Neoclassical Transport estimates (DKES). • Simulation of Heating by Microwaves: Massive Ray Tracing. • … • Two main strategies: • Rendering all the simulated data. • Choosing the best among all of them by a genetic algorithm.
Contents • Introduction: Serial Fusion Problems. • EGEE Experience: • Fusion VO. • Running Applications & Results. • New Applications and upgrades. • Euforia Applications. • Final Remarks
Fusion VO Working • 14 Partners ~ 4500 CPUs http://grid.bifi.unizar.es/egee/fusion-vo/ http://www-fusion.ciemat.es/collaboration/egee/ ~ 45 Tflops project-eu-egee-na4-fusion-applications@cern.ch Fusion: Reinforce fusion VO, in order to be abgain the most demanding after HEP and Biomed.
Contents • Introduction: Serial Fusion Problems. • EGEE Experience: • Fusion VO. • Running Applications & Results. • New Applications and upgrades. • Euforia Applications. • Final Remarks
Running applications (I) • Ion Kinetic Transport (ISDEP) Following independent particle orbits in a fixed plasma background. (106 orbits=jobs)x10 - 20 min Based on gLite scripts. Random parameters for every orbit. No matter if some jobs are missed • Massive Ray Tracing (MaRaTra). Simulating microwave beams by rays (105 rays=jobs) x 40 min No jobs can be lost. Gridway is used to distribute the jobs.
Running applications (II) • Stellarator Optimization. Choosing the best configuration Using a genetic algorithm. GIF Portal (105 configurations=jobs) x 40 min • Optimization of Reflectometry system for ITER.
Contents • Introduction: Serial Fusion Problems. • EGEE Experience: • Fusion VO. • Running Applications & Results. • New Applications and upgrades. • Euforia Applications. • Final Remarks
Running applications (II) • Helena: Magnetohidrodinamics 2D linear code. • FAFNER2: MC code for NBI Heating. Details in P33, by M. Rodriguez-Pascual)
New applications & Improvement (I) • Ion Kinetic Transport: Divertor Studies (3D Map of Flux) • ISDEP: • Self consistent Plasma Profiles • Tokamak Geometry. (ASDEX, ITER) • Ion Heating (ICRH).
New applications & Improvement (II) • DKES (Drift Kinetic Equation Solver) • Linear Turbulence: TURBO
Contents • Introduction: Serial Fusion Problems. • EGEE Experience: • Fusion VO. • Running Applications & Results. • New Applications and upgrades. • Euforia Applications. • Final Remarks
EUFORIA: EU fusion for ITER Applications • GEM: Linear Turbulence Gyrofluid code (MPI). • BIT1: Divertor code. • EIRENE for tokamaks & Stellarators. Following a large number of neutral particles in a plasma • The real Geometry of the vesel needed. • Independent orbits of the neutrals. • Iteration with a transport code needed. EUFORIA FP7-INFRASTRUCTURES-2007-1, Grant 211804
Contents • Introduction: Serial Fusion Problems. • EGEE Experience: • Fusion VO. • Running Applications & Results. • New Applications and upgrades. • Euforia Applications. • Final Remarks
Final Remarks • Fusion VO in EGEE used for scientific production in Fusion Research. • New Relevant scientific results obtained with grid capabilities. • Complex Workflows are being established. Kepler workflow orchestration is a promising tool. • Euforia: Oportunity for bringing more partners of Fusion Community to Grid Computing. • Coordination EGEE-EUFORIA guaranteed. • Workflows between Grid-HPC based on Kepler workflow orchestration is the final goal of EUFORIA. • APPLICATION SELECTION PROCESS NEEDED.
