SYSTEMS SOFTWARE

Working Group Members

• Lead: Rajeev Thakur - Argonne National Laboratory (thakur@mcs.anl.gov)
• Sam Ellis - IBM (sdellis@us.ibm.com)

Key Activities
 

MPI:

• MPI-1: Performance studies and scalability

• MPI-2: Implementation of one-sided operations

• MPICH-2: Tuning for BG/L

• MPI-IO: Performance and scalability studies

System Management:

• Scheduling tools and components

• Accounting

• Leveraging the DOE SciDAC effort

Programming Tools:

• Compilers: C, C++, Fortran 90, Python, etc.

• Debugging: Parallel debugging tools at scale

• Performance analysis: Jumpshot, TAU, etc.

Operating Systems: 

• Features supported by Compute Node Kernel
• User code on i/o nodes
• PVFS support
• Dynamically loaded library support
• Thread/fork() support
• Linux as the compute node kernel