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Supercomputers and HPC clusters

A Little bit of Supercomputing history Supercomputing examples HPC cluster computers Benefits of using cluster computing

Components of a HPC system

Components of a HPC cluster Login node(s)Compute node(s)Master node(s)Storage node(s)

HPC software stack

Access to HPC Data Transfer HPC software list HPC software modules Job Schedulers

PBS - Portable Batch System

Introduction to PBS

PBS basic commands

PBS `qdel` command

A simple PBS job script

PBS interactive jobs

PBS Matlab example

SLURM -Workload Manager

Introduction to Slurm Slurm commands A simple Slurm job Slurm distrbuted MPI and GPU jobs Slurm multi-threaded OpenMP jobs Slurm interactive jobs Slurm array jobs Slurm job dependencies

Parallel programming - OpenMP

OpenMP OpenMP basics Open MP - clauses OpenMP - worksharing constructs OpenMP- Hello world!Open MP - reduction and parallel `for-loop`OpenMP - section parallelization OpenMP vector addition

Parallel programming - MPI

MPI - Message Passing Interface MPI program stucture MPI - hello world!MPI send/ receive MPI `ping-pong` send and receive example

Parallel programming - GPU and CUDA

GPUs - graphics processing units GPU Programming - CUDA CUDA - hello world!CUDA - vector additon demo

Conclusions and references

Conclusion References

Learn to Use HPC Systems and Supercomputers/

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PBS variables

PBS variables

We'll cover the following...

PBS sets multiple environment variables at submission time. The following PBS variables are ...