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In Recent Years, Due To The Continuous Deterioration Of The Earth’s Environment, Frequent Extreme Weather, Serious Pollution Of The Marine Environment, And The Increase In Natural Meteorological Disasters, Higher And More Vigorous Demands Have Been Placed On Meteorological Forecasts And Marine Services. The Numerical Prediction Model Of Weather And Climate Forecasts Is Becoming More And More Mature, And Research On The Marine Environment Is Becoming More And More Important. The Processing Power Of High-performance Computers Is Also Increasing. Applying High-performance Computers To Climate, Ocean, And Environmental Models Can Achieve The Best Improvement Of Their Models. At Present, High-performance Computers Have Long Become A Basic Tool For Numerical Simulation Business And Scientific Research Such As Climate And Marine Environment. Boya Provides A Full Range Of Hardware Service Solutions For The Meteorological And Marine Fields.
The Main Characteristics Of Meteorological And Oceanographic Models Are: Large Floating Point Calculations, Intensive Communications, And The System Is Required To Have High Stability And High Io Throughput. The Powerleader High-performance Computer System Is Different From Traditional Cluster High-performance Computers, And Has Been Strengthened In The Above Aspects. Powerleader Pr6010p Blade Server And Pr2750p Rack Server Use Intel C624 High-performance Chipset Processor Architecture, With A Processing Capacity Of Up To 1.2tf Lops, And Have Powerful Computing Capabilities. In Terms Of Network System, Unidirectional 56gb S High-speed Fdr Infiniband Is Used As The Communication Network To Solve The Network Pressure Problem In Medium And Large-scale Systems. Infiniband Network Is The Most Mature General High-speed Network In The Industry Today, And It Occupies An Absolute Mainstream In The Current Top500 Large Cluster Systems. In Order To Ensure The Performance And Security Of Application Data Access, In Terms Of Storage Hardware, Powerleader Provides Enterprise-level Fc-san Storage System, Professional Enterprise-level Disk, Powerful Storage Management Software And Modular Structure To Provide Users With Unprecedented Flexibility To Quickly, Easily And Dynamically Respond To Changing Capacity And Performance Requirements.
Large Amount Of Calculation: Mesoscale Meteorological Forecast Modes (Mm5, Wrf, Grapes And Arems), Physical Ocean Models Such As Roms, Fvcom, Etc. Have Very Large Amount Of Calculation. If The Forecast Accuracy Is Doubled, The Amount Of Calculation Required Will Increase Exponentially. At Present, Most Of The Forecast Modes Mentioned Above Have Been Parallelized. For Example, Mm5 And Wrf In The Mesoscale Forecast Mode Support Both Mpi Message Passing Parallelism And Openmp Shared Storage Parallelism, As Well As The Mixed Operation Mode Of Mpi+openmp. Fvcom, Roms, Pom, Hycom, Etc. In The Ocean Mode, Cmaq, Ccsm3, Cam, Etc. In The Environmental Mode All Support High-performance Computing And Have Good Scalability.
Communication Intensive: Since These Models Are Parallel Software And Generally Use Finite Difference Grid Mode For Parallel Computing, The Amount Of Communication Between Cpus Is Very Large When Running These Forecast Models, And The Models Have Very High Communication Performance Requirements. For Example, The Communication Of Meteorological Mesoscale Forecast Models Mm5 And Wrf Includes Both Inter-domain Communication Between The Parent Domain And The Nested Domain, And Communication Between Different Data Partitions Within Each Domain. Therefore, This Requires High-performance Computers To Have High-performance Communication Networks.
High Requirements For System Io Performance: Most Programs In The Fields Of Ocean Models, Such As Physical Oceanography And Marine Geology, Have High Requirements For The Io Performance Of The Entire System, Generally Requiring Distributed Io Or Parallel File Systems, Otherwise It May Be Difficult To Achieve A Very Good Acceleration Ratio.
Standardized Model System Integration: From The Perspective Of Software Processing Flow, Meteorological, Oceanographic, And Environmental Field Models Are Generally Divided Into Three Processes: Pre-processing, Main Mode, And Post-processing. Pre-processing Includes Data Transmission And Downloading, Data Assimilation, Etc. Post-processing Mainly Refers To Graphical Processing To Generate Products, Etc. Pre-/post-processing Generally Does Not Require Too Much From The Computer. The Main Mode Is The Main Part Of The Entire System And Is Also Where The Main Amount Of Calculation Is Located. This Part Has High Requirements For Computer Performance. The Entire Model System From Pre-processing To Main Mode And Then To Post-processing Also Requires The System To Have High Robustness. Therefore, Excellent Model Software Application Expert Support And Hardware-level System Technical Support Are Also Key To The Good Use Of The Model. For Building A High-performance Computing System For Meteorology And Oceanography, The Following Four Points Are Very Important When Choosing The Basic Hardware Environment.
1. High Performance, Especially Floating Point Processing Performance
2. High-performance Network Environment
3. High-performance Distributed Io Or Parallel File System
4. High Robustness Of The System
The Solution Uses The Boya Scalable Series Of High-performance Computer Systems. Boya Pr2750p Is An Epoch-making High-performance Computer Product Launched By Boya In 2018. It Not Only Surpasses Traditional Cluster High-performance Computers In Many Aspects, But Also Has The Characteristics Of High Stability, High Availability, High Scalability, High Density And High Performance, And Is Suitable For Various Meteorological And Marine Departments.
The Theoretical Peak Floating-point Calculation Of The Entire System Can Reach More Than 7.6 Trillion Times; 56gbps High-speed Infiniband Interconnection Is Used Between Computing Modules, And The End-to-end Delay Is Less Than 1.2us, Which Is Better Than All Commercial High-speed Internet Networks On The Market.
All Key Components, Such As Power Supply, Hard Disk And Network, Have Been Designed With Redundancy To Ensure High Stability Of Program Mode Operation.
