MetOffice / MetOffice/Vernier

[Custom Issue]: Add memory reporting

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enhancement
Dominant language
C++
Stars
6
Forks
11
Avg merge
18h 7m
Merged PRs (30d)
1

Description

### Contact Details

_No response_

### Are there any linked Issues or Pull Requests?

_No response_

### Brief description

It would be nice to have a way to see how much memory a routine use.
However, this might be too fine grained to be possible to implement.

Another useful possibility that might be easier to implement is how much RSS was when a routine was called.

### Further details of the issue.

_No response_

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files, tests, or entry points are named. Start by mapping how Vernier invokes routines and checking how RSS could be read on supported HPC platforms. Done requires a decided scope and a documented way to report either routine-level memory usage or RSS at routine calls.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
devtools, performance
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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