Training: Semantic Patching of C and C++ Code with Coccinelle

Dear Linux Kernel Hackers,

this pretty unusual on-site training at LRZ in Munich, Germany may be of interest to some you, despite the HPC context that motivated it.
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What: Introduction to Semantic Patching of C and C++ Programs with Coccinelle,
or
A language to update large swathes of C/C++ code with non-trivial changes
(with emphasis on HPC-specific restructurings).
Why: Code maintenance and porting to new CPUs/GPUs is difficult. This can help.
When: Wednesday, January 22, 2025, 09:30 - 17:30
Where: Leibniz Supercomputing Centre, Garching near Munich, Germany (ON-SITE)
Who: Dr. Michele Martone https://github.com/michelemartone
Prerequisites: Good C/C++ knowledge; HPC experience recommended.
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Registration URL: ===> ---> https://tiny.badw.de/gsRkBW <--- <===
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The maintenance of a large software project can be very demanding. External factors like evolving third-party software library APIs, or constantly changing hardware platforms might require significant code adaptions for the code to run efficiently, or to run at all. Failure in coping with this can lead to obsolescence, loss of performance, incompatibility, vendor lock-in, bugs.

Have you ever wondered how to detect and manipulate specified C/C++ code constructs, be it for code analysis, or better, to restructure an arbitrarily large codebase according to a specified, non-trivial `pattern', without writing a source-to-source translator yourself, but using an existing programmable one?

In this training we introduce you to a tool to do exactly this: match and restructure code in a programmatic, formal way.

After this training, you shall be able to write your own code transformations, be it for a refactoring, performance improvement, paving the way to an experimental fork, or for debug/analysis reasons.

The training will also show how to analyse code looking for interesting patterns (e.g. bugs), integrate your Python scripts to achieve the custom transformations you need, and leverage Coccinelle's increasing C++ support.

Special mention will go to performance-oriented transformations, of interest of HPC practitioners.
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Dr. Michele Martone                                   https://michelemartone.org
Leibniz Supercomputing Centre (LRZ)            High Performance Systems Division
Boltzmannstrasse 1           D-85748 Garching bei Muenchen               Germany
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