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공공누리This item is licensed Korea Open Government License

국가 초고성능 컴퓨팅 리더쉽 제고를 위한 슈퍼컴퓨터 개발
Alternative Title
Supercomputer development for leveraging the leadership of national supercomputing
Korea Institute of Science and Technology Information
Publication Year
funder : 미래창조과학부
funder : KA
□ 사업의 목표: 페타플롭스 성능의 슈퍼컴퓨터 독자 개발 구축과 슈퍼컴퓨터 시스템/운영 기술 확보를 통한 차세대 슈퍼컴퓨팅 소프트웨어 역량 강화
□ 주요사업 내용
○ 슈퍼컴퓨터 시스템 기술 연구 개발
- 슈퍼컴퓨터 자체 개발 프로토타입 설계 및 샘플 제작
- 고성능 인터커넥트 통신 기술
- 슈퍼컴퓨팅 관리 운영 소프트웨어 기술
○ 매니코어 기반 슈퍼컴퓨터 작업 및 데이터 처리 기술 연구
- 매니코어 기반 작업 처리 기술
- 고성능 데이터 처리 기술
○ 초고성능 컴퓨터 활용 수치해석 라이브러리 개발
- Compressed Sparse Row 알고리즘 기반의 표준 입출력 희소행렬 관리 모둘 개발
- Deflation LANCZOS 기반 고유값 계산 솔버 개발

Ⅳ. Result of the study
○ Research and Development of Supercomputer System Technology
- Development of a prototype system for petaflops-scale supercomputer
· Analysis of S7200AP(Adams Path) customer reference board(CRB) and functional requirements of computing node
· Design and building of a prototype system for Intel KNL processor through cooperation with domestic companies specialized at hardware development
· Research and verification for UEFI/BMC firmware
· Study on OCP(Open Compute Project) systems and design of system rack cabinet

- Verification and development of high performance interconnection network technologies
· Requirement analysis of PCIe-based switching chipset and optical module (i.e., optic component and active optic cable) to develop PCIe network adaptor card using Silicon Photonics
· HW circuit design, PCB(printed circuit board) manufacturing, and performance/function verification of PCIe-based interconnection network adaptor using VCSEL on-board optic modules
· Analysis of PCIe-based network switch and NTB (non-transparent bridge) technology for rack-scale interconnection network
· Testbed development of PCIe NTB RDK (Rapid Development Toolkit) and proof-of-concept research of PCIe NTB-based communication software

- Next generation operation & management system Development
· Research on Intel RSD based system monitoring and control system
· Architecture design for cluster management
· Survey and deploy OS provisioning technique and toolkits
· Survey on dynamic software provisioning technology based on DevOps
· Analysis of Open-source based computing/networking resource monitoring scheme
· Research on system fault detection using machine learning technique
· Implement of operation and management system for next generation supercomputer

○ Research and Development of Many-core based Supercomputer Job and Data Processing Technology
- Research on many-core processor based job processing technology
· Analysis on heterogeneous memory architecture of Intel Knights Landing (KNL) processor
· Research on parallel application profiling technology by exploiting hardware performance counters
· Over 7% performance improvement with no application code modifications by using multiple MPI application executions optimization strategy based on the profiling of parallel applications
- Research on high-performance I/O system
· Analysis and Applicability study of open-source software including GlusterFS, PLFS and OverlayFS for developing hierarchical I/O system
· Designing a burst buffer system as an hierarchical I/O system
· Building the burst buffer prototype and verify that the I/O throughput of new burst buffer is at least 200% greater than existing parallel file system and the performance is scalable according to the size of cluster through experiments on KISTI testbed.

○ Library package for large-scale numerical analysis
- Sparse matrix storage based on the Compressed Sparse Row method
· Management of non-zero elements in terms of number, start/end index of decomposed matrix blocks
· Real-time update/delete of matrix elements
· Dump of tentative results as CSR structures for a debugging purpose
· Implemented as a MPI/C++ class
- Deflation LANCZOS solver for computation of degenerated eigenvalues
· Parallelization of (sparse)matrix-vector multiplier and vector dot-product
· Modification of traditional Lanczos Iteration to handle multiple degenerated eigenvalues
· Selective reorthogonalization of Lanczos-vectors to improve the accuracy of Lanczos Iteration
· Performance improvement with offload computing : Simultaneous execution of Lanczos Iteration and T-matrix compouting in CPU and manycore devices, respectively.
슈퍼컴퓨터; 시스템 소프트웨어; 운영관리 소프트웨어; 컴퓨팅 클라우드; Supercomputer; System Software; Management Software; Computing Cloud
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7. KISTI 연구성과 > 연구보고서 > 2017
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