qwen3-0.6b-hexagon / results_v81_profile.json
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Qwen3-0.6B for Hexagon NPU: A16W4 (llama.cpp) and A16W8 + 16-bit KV (v79, v81)
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{
"target": "Hexagon v81 (SM8850, Snapdragon 8 Elite Gen 5)",
"method": "AI Hub per-graph profile on real v81 silicon (no Gen 5 device on QDC for end-to-end runs)",
"qairt": "2.45.0.260326154327",
"graphs": {
"part2_token_ar1_cl1024": {"latency_ms": 15.326, "peak_mem_bytes": [77946880, 88260320]},
"part2_prompt_ar128_cl1024":{"latency_ms": 22.531, "peak_mem_bytes": [64045056, 74921952]},
"part1_token_ar1_cl1024": {"latency_ms": 0.040, "peak_mem_bytes": [20480, 10073728]}
},
"derived": {"decode_tok_s": 65.1, "prefill_tok_s": 5681},
"caveat": "per-graph latency, not end-to-end. On v79 the same method yields 65.8 tok/s against 72.0 measured end-to-end, so it understates by roughly 9%."
}