benchmarks: allow external kernel mappings for Helion run.py #1160
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While running internal benchmarks using TritonBench with Helion as a runner, I found it inconvenient to repeatedly edit benchmarks/run.py to add or tweak KERNEL_MAPPINGS / KERNEL_METRIC_MAPPINGS for new kernels I wanted to test.
This change keeps the current behavior unchanged by default, but adds an optional way to provide kernel mappings via a config file so users don’t need to modify run.py every time.
This PR adds a new optional CLI arg
--kernel-configwhich points to a yaml or a json file that describe kernel_mappings, kernel_metric_mappings as per current run.py.