资源描述
Computing in Atmospheric Sciences Workshop 2003,Slide,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,Computing in Atmospheric Sciences Workshop 2003,*,此处编辑母版单击标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Sophie Valcke, CERFACS,and the PRISM team across Europe,Outline,ENES,The PRISM project:,partners,goals,model components,standard physical interfaces,architecture and GUI,PRISM first coupler: Oasis3 (08/2019):,configuration,communication,interpolations/transformations,PRISM final coupler (12/2019),configuration,communication,interpolations/transformations,Computing in Atmospheric Sciences Workshop 2003,2,ENES,Climate research in Europe:,Societal/political needs in Europe high (IPCC, mitigation,),Recognised excellence; scientific diversity (models, approaches,),How to organise Earth System modelling in Europe ?,The one-big-centre-does-it-all not suitable:,- expertise lies within national centres,diversity is key to research,Need for shared infrastructures:,- software (PRISM),- hardware,Computing in Atmospheric Sciences Workshop 2003,3,ENES,ENES: European Network for Earth System modelling,Think,tank to,organize, plan,and seek funding,for efficient,distributed Earth,System,modelling,in Europe,Follows,a,EuroClivar recommendation,Open to,any institute,/,industry,(MoU),Coordinated,by Guy Brasseur (MPI,Hamburg,),50,members so,far (,enes,.,org,),Computing in Atmospheric Sciences Workshop 2003,4,A long term strategy:,Jointly develop shared,software infrastructure for,Earth,System,modelling,Provide European integrated,service to,access and,use,this,infrastructure,Provide and,manage hyper-,computing access,by 2019,PRISM,ENES,Computing in Atmospheric Sciences Workshop 2003,5,The PRISM project,PRISM: PRogram,for,Integrated Earth System Modelling,A European project, started December 2019, funded,for 3 years by the European Commission (4.8 M),Coordinators:,Guy Brasseur (MPI, Hamburg),Gerbrand Komen (KNMI, Amsterdam),PRISM Director: Reinhard Budich (MPI),Computing in Atmospheric Sciences Workshop 2003,6,= 22 partners: leading climate research institutes,and computer vendors,MPG-IMET, Germany,KNMI, Netherlands,MPI-MAD, Germany,Met-Office, UK,UREADMY, UK,IPSL, France,Mto-France, France,CERFACS, France,DMI, Denmark,SHMI, Sweden,NERSC, Norway,ETH Zurich, Switzerland,ING, Italy,MPI-BGC, Germany,PIK, Germany,ECMWF, Europe,UCL-ASTR, Belgium,NEC Europe,FECIT/Fujitsu,SGI Europe,SUN Europe,PRISM partners,Computing in Atmospheric Sciences Workshop 2003,7,Provide software infrastructure,to easily assemble Earth system coupled models based on existing state-of-art European component models,launch/monitor complex/ensemble Earth system simulations,PRISM goals,Help climate modellers spend more time on science:,Computing in Atmospheric Sciences Workshop 2003,8,Define and promote technical and scientific standards for ESM:,Scientific standards:,Physical interfaces between model components,Global Earth System parameters,Technical standards:,Compiling, running, post-processing environment,Architecture and Graphical User Interface,Coupler and I/O software,Data and grid format,Coding and quality,Interaction with other groups (ESMF, ESG/NOMADS, CF, RPN?,.),PRISM goals,Computing in Atmospheric Sciences Workshop 2003,9,Atmosphere:,Mto-France,(ARPEGE), MPG-IMET,(ECHAM),IPSL (LMDZ), MetOffice (Unified Model), UREADMY, INGV,Atmospheric Chemistry:,MPG-IMET, UREADMY, IPSL, MetOffice, Mto-France, KNMI,Land Surface:,IPSL,(Orchide), MetOffice, MPG-IMET, UREADMY, Mto-France (ISBA),Sea Ice:,NERSC,UCL-ASTR, MetOffice, IPSL, MPG-IMET,Ocean,Biogeochemistry,:,MPI-BGC,IPSL, MPG-IMET, MetOffice,Ocean:,UREADMY,MetOffice (FOAM), MPI-M (HOPE), IPSL (OPA/ORCA),Regional Climate:,SHM,I, DMI, MetOffice,Coupler:,CERFACS,NEC, CCRLE, FECIT, SGI, MPI-MAD,PRISM model components,Computing in Atmospheric Sciences Workshop 2003,10,Ocean model,1- Rainfall + int. energy,2- Snowfall + int. energy,3- Incoming solar radiat.,4- Solar zenith angle,5- Fraction of diffuse,solar radiation,6- Downward infrared,radiation,7- Sensitivity of atmos,temp. & humidity to,surf. fluxes,1*- Sensible heat flux,2*- Surf. emissivity,3*- Albedo, direct,4*- Albedo, diffuse,5*- Surf. radiative temp.,6*- Evaporation + int.,energy + Q,lat,7*- Wind stress,8- Subgrid fractions,1- Surface pressure,2-4 Air temperature, humidity and wind,5- Wind module,6- Height of these 4 variables,1*-,r,C,d,2*-,r,C,e,3*-,r,C,h,1,x,- Non solar heat flux,2,x,- Solar radiation,3,x,- Fresh water flux,4,x,- Salt flux,5,x,- Wind stress,6,x,- U3,7,x,- Mass of snow and ice,8-,Subgrid fractions,1*- Surf. Temp,2*- Surf. Roughness,3*- Displacement height,4,x,- Surface velocity,1- Continental runoff,+ internal Energy,1-2 Temp./Salinity at sea-ice base,3- Sea surface temperature,4- Surf. radiative temp.,5- Surface ocean current,6- Sea surface salinity,7- Surface height,8- Absorbed solar radiation,(in first oceanic layer),Iceberg parameters,1,2,3,4,5,6,7,8,Ocean surface module,Surface layer turbulence,Sea ice model,wave model,+3,4,1,2,Atmosphere model,Land surface model,Note on subgrid fraction,dependance:,x,- Sea Ice categories,(incl. open ocean),*- Sea Ice or Land Surf.,categories,A proposal for PRISM standard O-A-SI physical interfaces:,Computing in Atmospheric Sciences Workshop 2003,11,PRISM central,server,+ PRISM local sites,GUI: adaptation of ECMWF,prepIFS,and SMS,scheduler,User/,developer,Prism central,server,Prism local,site,Web,Web,PRISM,architecture and GUI,:,Computing in Atmospheric Sciences Workshop 2003,12,Based on Oasis developed since 1991 in CERFACS,to couple existing,GCMs,developed independently,at the time:,Models at relatively low resolution (10000-20000 pts),Small number of 2D coupling fields (10),Low coupling frequency (once/day),flexibility was very important, efficiency not so much!,performs:,synchronisation of the component models,coupling fields exchange and interpolation,I/O actions,tested on VPP5000, NEC SX5, SGI Octane and O3000, Compaq Alpha cluster,Linux,PC cluster (MPI-,Globus,),PRISM first coupler: Oasis3,Computing in Atmospheric Sciences Workshop 2003,13,Oasis regular users:,CERFACS,METEO-FRANCE (France),IPSL- LODYC, LMD, LSCE (France),ECMWF (UK),UCL (Belgium),MPI - M&D (Germany),SMHI (Sweden),BMRC (Australia),IRI (USA),and :,AWI (Germany),PIK (Germany),Met Office (UK),UGAMP (UK),KNMI (Netherlands),CSIRO (Australia),FSU/COAPS (USA),LASG (China),JAMSTEC (Japan),?,PRISM project first coupler: Oasis3,Computing in Atmospheric Sciences Workshop 2003,14,PRISM project first coupler: Oasis3,Oasis3 configuration:,In text file,namcouple,read by Oasis3 at the beginning of the run, e.g.,total run time,number and names of component models,number and names of coupling fields; for each field:,source and target symbolic name,coupling and/or I/O status,coupling or I/O period,transformations/interpolations,Component model grid (longitudes, latitudes, masks, mesh surfaces, mesh corner locations) must be available in binary or,NetCDF,files.,Computing in Atmospheric Sciences Workshop 2003,15,PRISM project first coupler: Oasis3,Oasis3 communication:,New PRISM System model interface (,PSMILe,) based on MPI1 or MPI2 message passing,Parallel communication between parallel models and Oasis3 interpolation process,A,A,A,B,B,B,A,A,A,file,A,A,A,O,O,O,O,Oasis3,Direct communication between models with same grid and partitioning,I/O functionality,(automatic switch between coupled and forced mode),Modularity: at each model time step, exchange is performed or not depending on users specifications in,namcouple,.,Automatic time integration depending on users specification,Computing in Atmospheric Sciences Workshop 2003,16,Oasis3 interpolations/transformations,PRISM project first coupler: Oasis3,A,A,A,O,O,O,O,Oasis3,Oasis3,= performed by separate sequential process,= on 2D scalar fields only,Interfacing with RPN Fast Scalar,INTerpolator,package,nearest-neighbour, bilinear,bicubic,for regular Lat-Lon grids,Interfacing with SCRIP1.4 library,(Los Alamos Software Release LACC 98-45):,nearest-neighbour, 1st and 2nd order conservative,remapping,for all grids,bilinear and,bicubic,interpolation for logically-rectangular grids,Bilinear and,bicubic,interpolation for reduced atmospheric grids,Other spatial transformations: flux correction, merging, etc.,General algebraic operations,Computing in Atmospheric Sciences Workshop 2003,17,PRISM project final coupler,Higher resolution, parallel and scalable models,Higher coupling frequencies desirable,Higher number of models and (3D) coupling fields,Need to optimise and parallelise the coupler,The final PRISM coupler will be composed of:,a Driver,a Transformer,a new PRISM System Model Interface Library,Computing in Atmospheric Sciences Workshop 2003,18,PRISM project final coupler,Final coupler configuration (XML files):,The user chooses the models through the GUI.,Each component model comes with:,an Application Description (AD),a Potential Model Input and Output Description (PMIOD).,The user configures his particular coupled run through the GUI :,total run time, etc.,for each field described in the PMIOD:,source or target,coupling or I/O status,coupling or I/O period,transformations/interpolations, etc.,Based on the users choice, the GUI produces the XML configuration files.,At run-time the Driver reads and distributes configuration information.,The,PSMILes,and Transformer act accordingly to the users specifications.,Computing in Atmospheric Sciences Workshop 2003,19,PRISM project final coupler,Final coupler communication:,More elaborate,PSMILe,based on MPI1 or MPI2 (grid definition transferred through the,PSMILe,API),Modularity as for Oasis3: at each model time step, exchange is performed or not depending on users specifications.,As for Oasis3, automatic time integration,As for Oasis3, I/O functionality,(automatic switch between coupled and forced mode),Parallel communication: as for Oasis3,+ repartitioning.,OB,OB,OB,C,C,C,O1,O1,C,C,Parallel calculation of interpolation weights and addresses in the source,PSMILe,Extraction of useful part of source field only.,Computing in Atmospheric Sciences Workshop 2003,20,Final coupler interpolations/transformations,= as for Oasis3 +,Support of vector fields,Support of 3D fields,More flexibility for field combination/merging, etc.,The PRISM project final coupler,Computing in Atmospheric Sciences Workshop 2003,21,Conclusions,ENES and PRISM,PRISM first coupler: Oasis3, now available,PRISM final coupler prototype due 11/2019,PRISM final coupler due 12/2019, and after PRISM ?,Follow-on project re-submitted at next EU-call in 2019 (CAPRI rejected),International interaction and collaboration essential in all cases!,enes,.org ; http/,cerfacs,.,fr,/PRISM/prism.html,valcke,cerfacs,.,fr,Computing in Atmospheric Sciences Workshop 2003,22,PRISM project first coupler: Oasis3,Oasis3 communication;,PSMILe,API:,:,Initialization:,call prism_init_comp(),Retrieval of component model local communicator,call prism_get_,localcomm,(),Coupling or I/O field declarations,(name, type, shape, local partition, ),call prism_def_,var,(field_,id,x, ),End of definition,call prism_,enddef,(),In model time stepping loop, coupling or I/O field exchange,call prism_put(field_id1, time, field_array1,ierror,),call prism_get(field_id2, time, field_array2,ierror,),= Automatic averaging/accumulation, coupling exchange, and/or I/O depending on,time,argument and users specifications in,namcouple,Termination:,call prism_terminate(),Computing in Atmospheric Sciences Workshop 2003,23,PRISM project final coupler,Final coupler communication;,PSMILe API,:,:,As for Oasis3 PSMILe +,Definition of grid (1D, 2D, 3D),call prism_def_grid(),call prism_set_corners(),call prism_set_mask(),Definition of grid for vector and bundle fields,call prism_set_vector(),Call prism_set_,subgrid,(),Coupling or I/O field declarations support vector, bundles, 1D, 2D and 3D fields,Extraction of SCC and SMIOC information:,call prism_get_persist(),Computing in Atmospheric Sciences Workshop 2003,24,ATM SMIOC,V1 : from OCE, T1,V2: to OCE, T2,V3 : to LAND,user,LAND SMIOC,V3 : from ATM,V4 : from fileV4,user,OCE SMIOC,V1 : to ATM, T1,V2 : from ATM, T2,user,Driver,T,OCE,ATM,LAND,fileV4,Definition Phase,OCE PMIOD,V1: out, metadata V1,V2: in, metadata V2,ATM PMIOD,V1: in, metadata V1,V2: out, metadata V2,V3: out, metadata V3,LAND PMIOD,V3: in, metadata V3,V4: in, metadata V4,LAND AD,ATM AD,OCE AD,V2,V1,V1,V3,V4,Deployment Phase,V2,user,Composition Phase,user,SCC,ATM:.,OCE:.,LAND:.,user,Computing in Atmospheric Sciences Workshop 2003,25,Deployment Phase,V3,V6,V2,V2,V1,V1,V4,V5,V5,V7,V7,Mj SMIOC,V1 : cf SCC,V4 : cf SCC,user,Mk SMIOC,V4 : cf SCC,V5 : in, fileV5, TnlV5k,user,Mi SMIOC,V1 : cf SCC,V2 : cf SCC,V3 : in, fileV3, Tli,user,Composition Phase,SMIOC: Specific Model Input and Output Config.,user,SCC,V1 : Mi - Mj, Tli, Tnlij,V2 : Mi - Mj, Tij (+ V6),V4 : Mj - Mk,user,user,SCC: Specific Coupling Configuration,Driver,T,Mi,Mj,M,k,Definition Phase,Mi PMIOD,V1: out, metadata V1,V2: out, metadata V2,V3: in, metadata V3,Mj PMIOD,V1: in, metadata V1,V4: out, metadata V4,Mk PMIOD,V4: in, metadata V4,V5: in, metadata V5,fileV6,fileV3,fileV5,PMIOD: Potential Model Input and Output Description,Mi: Model i T: Transformer,Computing in Atmospheric Sciences Workshop 2003,26,Coupling,infrastructure,Supporting software,Scientific,code,Running environment,Software structure of an Earth System Model,Share,Computing in Atmospheric Sciences Workshop 2003,27,On going PRISM / ESMF collaboration,Coupling,infrastructure,Supporting software,User code,Running environment,PRISM,ESMF,Earth System Model,Computing in Atmospheric Sciences Workshop 2003,28,谢谢你的阅读,知识就是财富,丰富你的人生,Thank you,拯畏怖汾关炉烹霉躲渠早膘岸缅兰辆坐蔬光膊列板哮瞥疹傻俘源拯割宜跟三叉神经痛,-,治疗三叉神经痛,-,治疗,
展开阅读全文