HPC

• Apr 18, 2026 Environment Modules with Lmod: How `module load` Actually Works
• Apr 18, 2026 MPI Programming Essentials: Collectives, Non-Blocking, and the Traps Nobody Warns You About

  A working engineer's guide to MPI: the mental model, point-to-point and collective communication, non-blocking patterns, derived datatypes, one-sided RMA, threading levels, MPI-IO, performance traps, and integration with SLURM.

• Apr 18, 2026 NCCL Deep Dive: Multi-GPU Collectives, Ring vs Tree, and Debugging Distributed Training
• Apr 18, 2026 OpenMP: Threading Without Pthreads (And Without the Nightmares)
• Apr 18, 2026 Parallel Filesystems Compared: Lustre vs BeeGFS vs GPFS vs Weka
• Apr 18, 2026 RDMA and InfiniBand From the Ground Up: Why It's Fast and How to Diagnose It
• Apr 18, 2026 Spack and EasyBuild: Reproducible HPC Software Stacks Without Losing Your Sanity