Programming How-To's, Tips & Tricks

Project Management and Collaboration

• HLRS GForge ( HLRS GForge Server)

General

• POSIX compliant shell scripting
• Best practices for I/O, Parallel I/O, aka MPI-IO
• Best practices for Porting & Migration of Code
• Best practices for Debugging
• Best practices for Performance Analysis

Performance Optimization

• Useful compiler options on x86 processors
• Pinning threads and memory on multicore/processor system under Linux

Debugging

• Using GDB to obtain a backtrace of a crashing MPI program

Big Data, AI Applications, and Frameworks

• Containers: How to use AI containers on GPU-accelerated compute partitions?
• Conda: How to use Conda environments on the clusters
• Web-Based Services: How to use Web Based Services on HLRS Compute Platforms
• Ray: How to launch a Ray Cluster on Hawk?

Miscalleneous

• SX and configure
• PACX-MPI on clusters
• How to measure Flop/s etc. of massively parallel jobs with perf stat
• How to detect out of memory events

See also

• Application software packages
• Software Development Tools, Compilers & Libraries

External Links

• HLRS, Applications, Models & Tools
• HLRS, Numercial Methods & Libraries
• HLRS, Parallel Computing - Training & Applications Services
• Internal Wiki (HLRS staff only)
• HLRS GForge Server