Qwen2.5 0.5B
on M1 16GB · llama.cpp
Summary
User benchmarks Qwen2.5-0.5B Q4 at 95.6 t/s decode with 18 ms TTFT on an Apple M1 16GB, averaged across defaults and normalized modes on the chat_turn workload.
Setup is llama.cpp (llama-server) with Q4 GGUF weights, Metal backend, 1 warmup plus 4 measured reps per cell.
LlamaStash leads raw llama-server (91.9 t/s / 20 ms), LM Studio (88.4 / 68) and Ollama 0.24.0 (79.6 / 102); in defaults mode LlamaStash reaches 99.0 t/s / 15 ms vs raw llama-server's 92.3 / 19, and normalized mode collapses the gap to under 1% (92.2 vs 91.5).