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High-Performance Computing (HPC)

Resources on supercomputing and parallel computing: what HPC is, the programming models and schedulers used to run it, GPU and cluster platforms, and HPC in the cloud.

24 topics•4 categories•Updated October 2026

Introductions

6 entries

What HPC is and whether you need it.

Programming Models & Software Stack

6 entries

Parallel programming standards and cluster software.

Hardware & Cloud HPC

6 entries

Vendor platforms and cloud services for running HPC workloads.

Related Pages

6 entries

Related directories on this site.

Frequently Asked Questions

What is high-performance computing?

Using supercomputers or clusters of many processors, often with GPUs, to solve problems too large or too slow for a single machine, such as simulation, weather modelling and AI training.

How is HPC different from the cloud?

HPC systems use fast interconnects and parallel file systems for tightly coupled jobs. Cloud HPC offers similar hardware on demand, which suits bursty or experimental work, while on-premises systems suit steady heavy use.

What are MPI and OpenMP?

MPI passes messages between processes on different nodes, while OpenMP parallelises code across cores on one node. Large applications often combine both with GPU programming.

How do jobs get scheduled?

Users submit jobs to a workload manager such as Slurm, which allocates nodes and queues work fairly across users.

Which entries changed?

The Dell HPC link now redirects to a community event page, so it was removed. InsideHPC could not be opened in the browser pane but was kept from the earlier version, and the NetApp page blocks scripts but loaded in a browser.