Test HPC Submission Mode Notebook again

[jan-janssen]

Summary by CodeRabbit

• New Features

  • Enhanced readability of the Jupyter notebook by consolidating markdown content and removing unnecessary line breaks.
  • Added executable Python code snippets for HPC submission modes, including function definitions and examples.

• Updates

  • Updated the notebook's execution environment to the Flux framework, including changes to kernel specifications and versioning.

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Walkthrough

The pull request introduces modifications to the Jupyter notebook notebooks/2-hpc-submission.ipynb, focusing on High-Performance Computing (HPC) submission modes. Key changes include consolidating markdown content into single-line strings for improved readability, converting several markdown cells into executable code cells with Python snippets, and updating the notebook's metadata to reflect a new kernel specification and version aligned with the Flux framework.

Changes

File	Change Summary
notebooks/2-hpc-submission.ipynb	- Consolidated markdown cells into single-line strings. - Converted markdown cells to code cells with Python functions (add_funct, calc) and Executor class examples. - Updated kernel specification from "Python 3 (ipykernel)" to "Flux" and version from "3.12.5" to "3.12.7".

Possibly related PRs

• New examples for the updated documentation #495: The changes in the main PR involve modifications to the notebooks/2-hpc-submission.ipynb, which is directly related to the new examples introduced in the notebooks/1-local.ipynb and notebooks/3-hpc-allocation.ipynb that also utilize the Executor class, indicating a shared focus on HPC and task execution.

Poem

In the notebook where bunnies play,
HPC's magic lights the way.
Functions hop and code cells gleam,
With Flux, we chase the data dream.
Consolidated lines, so neat and bright,
In the world of compute, we take flight! 🐇✨

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)

notebooks/2-hpc-submission.ipynb (2)

Line range hint 160-183: Consider enhancing cache cleanup error handling

The current cache cleanup implementation could benefit from more specific error handling and logging. Consider adding specific exception types and logging for better debugging.

 import os
 import shutil
+import logging
 
 cache_dir = "./cache"
 if os.path.exists(cache_dir):
     print(os.listdir(cache_dir))
     try:
         shutil.rmtree(cache_dir)
-    except OSError:
+    except OSError as e:
+        logging.warning(f"Failed to clean cache directory: {e}")
         pass

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Line range hint 1-218: Consider adding testing instructions

The notebook effectively demonstrates HPC submission modes, but it would be beneficial to add:

1. Instructions for testing the examples locally
2. Expected output examples
3. Common troubleshooting scenarios

This would help users verify their setup and debug issues.

📜 Review details

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Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 6adbf5f and 17af45b.

📒 Files selected for processing (1)

• notebooks/2-hpc-submission.ipynb (3 hunks)

🔇 Additional comments (1)

notebooks/2-hpc-submission.ipynb (1)

199-201: Verify Flux framework compatibility

The kernel has been updated to use Flux with Python 3.12.7. Please ensure that:

1. The Flux framework is fully compatible with Python 3.12.7
2. All dependencies used in the notebook examples work with this Python version

Also applies to: 213-213