LiteRT August Release

LiteRT Runtime

API and Platform updates

  • Rust Integration - Published google-ai-edge-litert crate on crates.io enabling C++ SDK capabilities in Rust

  • ABI Compatibility - Added ABI version tracking to key modules (libLiteRT.so, GPU accelerator, Dispatch, Compiler) facilitating smoother upgrades across 2.2.x binary versions.

API Updates

  • LiteRT.js - LiteRT Tensor API support and features for recurrent KV cache swapping; and JIT/tracing support for custom tensor graphs.

  • New Data Type - Added native support for F8E4M3FN and F8E5M2 tensor elements

New HW support

  • Intel NPU - Added full JIT/AOT support for LunarLake and Panther Lake

  • Qualcomm - QAIRT : Improved SoC coverage with SDK 2.47

  • MediaTek - Improvements to channelwise quantization support

  • CPU (Experimental) : New YNNPack accelerator

Performance and Model optimizations

  • LLM throughput improvements - added ROPE composite Ops for GPU, resulting in ~5% faster decode performance

  • Multiple optimizations for memory efficiency and GPU execution

Validation / Testing Infrastructure

  • Faster test registration

  • New multi-criteria validation framework (ConformanceSpec) for mixed-precision verification.