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All LessonsFree Lessons (5)

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 `qsub`PBS `qstat`PBS `qdel` command PBS `qalter`PBS job states PBS variables A simple PBS job script PBS interactive jobs PBS arrays PBS Matlab example

SLURM -Workload Manager

Introduction to Slurm

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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Slurm commands

Slurm commands

We'll cover the following...

Slurm has several commands to interact with its daemons:

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sacct is used to report job or job step accounting information about active or completed jobs.
salloc is used to allocate resources for a job in real time.
sattach is used to attach standard input, output, and error plus signal capabilities to a currently running job or job step. ...