snapshot,task,model,params_b,device,device_type,soc,quant,file_mb,runtime,threads,decode_tok_s,prefill_tok_s,quality_metric,quality_value,sweep
2026.06,text-generation,qwen2.5-0.5b-instruct,0.5,oppo-a74,phone,Snapdragon 662,q8_0,675.7,"llama.cpp b9590 (Termux, CPU)",4,13.91,38.51,wikitext2_ppl_32chunks,13.8042,llm-quant-v1
2026.06,text-generation,qwen2.5-0.5b-instruct,0.5,oppo-a74,phone,Snapdragon 662,q6_k,650.4,"llama.cpp b9590 (Termux, CPU)",4,15.59,35.97,wikitext2_ppl_32chunks,13.8091,llm-quant-v1
2026.06,text-generation,qwen2.5-0.5b-instruct,0.5,oppo-a74,phone,Snapdragon 662,q5_k_m,522.2,"llama.cpp b9590 (Termux, CPU)",4,16.58,29.74,wikitext2_ppl_32chunks,13.9929,llm-quant-v1
2026.06,text-generation,qwen2.5-0.5b-instruct,0.5,oppo-a74,phone,Snapdragon 662,q4_k_m,491.4,"llama.cpp b9590 (Termux, CPU)",4,17.69,33.41,wikitext2_ppl_32chunks,14.3045,llm-quant-v1
2026.06,text-generation,qwen2.5-0.5b-instruct,0.5,oppo-a74,phone,Snapdragon 662,q3_k_m,432.0,"llama.cpp b9590 (Termux, CPU)",4,19.25,35.73,wikitext2_ppl_32chunks,14.7384,llm-quant-v1