Add measured Galaxy S26 NPU/GPU Performance section

#3
by mlboydaisuke - opened
LiteRT Community (FKA TFLite) org

Thanks for documenting the signatures on the card β€” that is exactly what made an unambiguous encoder measurement possible.

This PR adds a measured Performance section: Galaxy S26 (SM8850) rows for both files, encode signature only, conditions inline (CompiledModel 2.2.0, 50-run medians, thermal NONE, delegate confirmed from logcat). Same shape as whisper-tiny on this device: the GPU is the fastest unit on the f32 encoder (50.0 against 58.9 ms on the Hexagon), the i8 file runs NPU-only at 3.3–3.6Γ— the f32 time, and the NPU's one-time JIT compile (~26 s) drops to a 0.24 s cached load afterwards.

Happy to reshape to the house style.

mlboydaisuke changed pull request status to open
Ready to merge
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