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Institute for Advanced Simulation (IAS)

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Using the Blue Gene/Q system for interactive and batch jobs

Under construction!

Quick IntroductionEssential information on how to login to JUQUEEN and compile, write batch scripts and submit jobs
Access/Environment Lists more detailed information about login and user environment
Data TransferInformation about efficient data transfer methods
UNICOREProvides information about how to access JUQUEEN with UNICORE
GPFS FilesystemsInformation about the supporting GPFS filesystems, backup, restore, usage, limits
Job Management (LoadLeveler)Submission, scheduling and status of batch and interactive jobs (keywords, commands, classes, samples, variables)
Compiling and TuningCompiling and tuning applications on JUQUEEN
runjobProgram execution on JUQUEEN
Connection shape and mappingHow to adapt shape and mapping on JUQUEEN to improve communication
MPMDSupport for the Multiple Program Multiple Data Execution model
MPI extensionsBG/Q specific extensions to MPI
Shared LibrariesShared Libraries and dynamic executables
Shared Memory UsageUsage of shared memory on JUQUEEN
Module EnvironmentDefines the environment for various scientific applications
Debugging Parallel ApplicationsUsing Compiler flags, Totalview
Parallel Performance AnalysisOverview about the performance tools (slides from the last Supercomputer Usage class "module setup and compiler")
Data ConversionSupport for data compatibility between JUQUEEN, JUROPA and other platforms
LLVIEWGraphical monitoring of BG/Q
Parallel Tools PlatformTutorial on using PTP for developing parallel applications on JUQUEEN
SCALASCATool for performance optimization of parallel programs
Resource LimitsList of hard and soft resource limits
Quota and AccountingCPU quota schema, job accounting and status querying
MaintenanceDescription of maintenance regulations
Visualisation on JURECAPostprocessing and visualization









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