Will culminate in three ultra-high performance supercomputers at Lawrence Livermore, Oak Ridge, and Argonne national laboratories.CORAL is the next major phase in the DOE's scientific computing roadmap and path to exascale computing.Department of Energy (DOE) collaboration between the NNSA's ASC Program and the Office of Science's Advanced Scientific Computing Research program (ASCR). C O R A L = Collaboration of Oak Ridge, Argonne, and Livermore.The material covered by EC3501 - Introduction to Livermore Computing Resources would also be useful. Familiarity with MPI and OpenMP is desirable. A basic understanding of parallel programming in C or Fortran is required. Level/Prerequisites: Intended for those who are new to developing parallel programs in the Sierra environment. The tutorial concludes with discussions on available debuggers and performance analysis tools.Ī Quickstart Guide is included as an appendix to the tutorial, but it is linked at the top of the tutorial table of contents for visibility. The topic of running jobs is covered in detail in several sections, including obtaining system status and configuration information, creating and submitting LSF batch scripts, interactive jobs, monitoring jobs and interacting with jobs using LSF commands.Ī summary of available math libraries is presented, as is a summary on parallel I/O. These are followed by more in-depth usage information on compilers, MPI and OpenMP. User environment topics common to all LC systems are reviewed. Information about user accounts and accessing these systems follows. The CORAL EA and Sierra hybrid hardware architectures are discussed, including details on IBM POWER8 and POWER9 nodes, NVIDIA Pascal and Volta GPUs, Mellanox network hardware, NVLink and NVMe SSD hardware. It begins by providing a brief background on CORAL, leading to the CORAL EA and Sierra systems at LLNL. This tutorial is intended for users of Livermore Computing's Sierra systems. Banks, Job Usage and Job History Information.Process, Thread and GPU Binding: js_task_info.Signaling / Killing Jobs: bkill command.Suspending / Resuming Jobs: bstop, bresume commands.Monitoring Jobs: lsfjobs, bquery, bpeek, bhist commands.Launching Jobs: the jsrun Command and Resource Sets.Interactive Jobs: bsub and lalloc commands.
System Configuration and Status Information.
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