Load balancer

[PhilipDeegan]

Summary by CodeRabbit

• New Features

  • Added C language support to the project alongside CXX.
  • Introduced new functions for floating-point comparison and particle data handling.
  • Implemented load balancing strategies and estimations for simulations.
  • Enhanced logging with specific log levels for better categorization.
  • Added a RunTimer utility for performance measurement.

• Bug Fixes

  • Corrected a typo in diagnostic comments.

• Improvements

  • Improved error handling in simulation methods.
  • Refined initialization logic for regridding scenarios.
  • Updated logging and load balancing operations for better performance.

• Tests

  • Added new test scripts for load balancing and Harris current sheet simulations.
  • Introduced MPI tests for load balancing scenarios.

• Chores

  • Updated CMake configurations to include new files and dependencies.
  • Added new template functions and utility methods for improved code functionality.

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Commits

Files that changed from the base of the PR and between 61a8e93db690d30d0e467d7f066babdb8a9df02a and e4abaf6a1e52b618880a91dc593fef0f4806a5d9.

Walkthrough

Walkthrough

The update introduces significant enhancements to the PyPHARE project, notably improving load balancing strategies, diagnostic capabilities, and simulation tests. Key features include new functions for floating-point precision comparisons, streamlined logging, and support for both C and C++ languages. These modifications enhance the efficiency and robustness of the project, particularly in adaptive mesh refinement (AMR) and simulation management.

Changes

File Path	Change Summary
CMakeLists.txt	Added support for C language alongside C++.
pyphare/...	Introduced functions for floating-point checks, load balancing, and improved diagnostics in various modules.
pyphare/pharein/...	Added load balancing management and simulation enhancements, including population adjustments.
pyphare/pharesee/...	Implemented equality comparisons, particle data aggregations, and enhanced simulation configuration methods.
res/cmake/dep.*.cmake	Updated CMake configurations and added integration instructions for Caliper.
src/amr/...	Introduced new files for load balancing strategies, updated logging scopes, and improved AMR functionalities.
src/core/...	Added template functions, updated loop declarations, and introduced density cutoff parameters in various modules.
src/diagnostic/...	Enhanced logging, diagnostic writing, and model view methods.
tests/...	Added new test scripts and cases for validating load balancing and MPI functionalities.

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[PhilipDeegan]

closes #472

[PhilipDeegan]

I will separate out the execution timings to a different PR to minimize this