version: 1.2.0 report_type: speech-asr profile: Arm-Optimized created_at: '2026-07-13T00:00:00Z' context: target_ref: vivo-x300 runtime: name: executorch execution_backend: cpu config: n_threads: 4 optimisations: - XNNPACK - KleidiAI dataset: name: LibriSpeech slice: test-clean sample_count: 2620 reference_url: https://huggingface.co/datasets/openslr/librispeech_asr benchmark: batch_size: 1 audio_length_s: 7.0 mode: offline sample_rate_hz: 16000 language: en num_runs: 50 warmup_runs: 10 performance: end_to_end_latency_ms: p50: 7802.5 p90: 8027.0 p99: 8027.0 rtfx: 0.897 peak_memory_mb: 4662.29 model_load_time_ms: 1015.0 accuracy: normalised_wer: 3.4077 normalisation: whisper_tokenizer.normalize (Whisper-style) cer: 1.2888