Software Projects

• Spack

  

  A flexible package manager designed to support multiple versions, configurations, platforms, and compilers. Provides a simple expression langauge to simplify the task of configuring HPC software.

  GitHub  Docs 

• Cram

  

  Cram runs many small MPI jobs within a single, large MPI job by virtualizing its MPI operations. Cram has been used to run 1.5 million concurrent MPI jobs on LLNL’s Sequoia machine.

  GitHub  Site 

• Rubik

  

  Rubik generates MPI task mapping files for structured applications and torus or mesh networks. It applies transforamtions to an application topology to generate the mappings.

  GitHub  Docs 

• Muster

  

  Parallel K-medoids clustering library, used in performance and debugging tools. Implements PAM, CLARA, the CAPEK parallel clustering algorithm, and an MPI-parallel Bayesian Information Criterion (BIC) calculation.

  GitHub  Docs 

• wrap.py

  Simple language for generating libraries of PMPI wrapper functions. Based on the profiling wrapper generator in MPE but with more features. Generates C and Fortran bindings.

  GitHub  Docs 

• Callpath

  Library for representing, transferring, and analyzing stack traces scalably in distributed applications.

  GitHub 

• Nami

  Parallel wavelet transform and EZW compression library.

  GitHub 

• perf-dump

  Records per-process, per-timestep PAPI performance counter values. Saves them in an HDF5 file using parallel I/O. Think of this as a checkpointing library for basic performance data.

  GitHub