Generic filters #755
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Generic filters #755
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The entrypoint is in the base actor interface, using filter member. This string can be defined to a Python expression like: "particle_name == "gamma" and pre_kinetic_energy <= 20 * MeV" A Transformer will: - pre compute constants (e.g. 20 * MeV will become a direct value); - turn attribute names into function calls to acquire its value. The AST is then used as the body of a Python function. This function is given to the C++-side corresponding base actor to be used as the filter. This POC works, though it is noticeably slower than another experiment using a JIT compiled C++ function (using ROOT.gInterpreter).
tbaudier
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May 14, 2025
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binary file to move to data
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binary file to move to data
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(for all) yes, no problem. These files probably won't exist in a few commits anyway, but I will follow this for the files that will be produced by the actual test.
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A new system to configure filters for actors.
The main idea is to be able to write for example:
Current proof of concept works, run time overhead yet to assess to compare to another implementation (partial) using C++ JIT compilation (preliminary tests show a factor of around 2 for short simulations on m'y computer).
To discuss : optional dependency on (py)ROOT (for C++ JIT) to reduce simulation time when using generic filters.
Demo in test023 generic (not an actual test yet, must be executed with options, e.g. -san1e2).