Open-source tool reduces TensorBoard trace sizes by 90%+ for JAX/XLA profiling

PastToFuture-Whisper · reddit · 2026-07-30

The author released XProf Cubism Reducer, a lightweight open-source tool that reduces TensorBoard memory profiling footprints for JAX/XLA models by over 90%. It uses spatial downsampling and grid aggregation to keep key performance insights intact, with a fast zero-dependency byte-replacement pipeline.

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