llamaperf

Gemma 4 8B E4B

on M1 Ultra 128GB · llama.cpp

Apple hardware
Oct 14, 2026
Throughput
69.7 t/s gen · 1172.9 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
Q4_K_M (GGUF)

Summary

User reports 69.73 t/s generation and 1172.93 t/s prompt processing. Source evidence (verbatim): Source: https://blog.majid.info/llama-bench/utumno.txt # Mac Studio M1 Ultra 128GB: original Gemma4 E4B Q4_K_M llama-bench log First-hand author log linked from https://blog.majid.info/llama-bench/ (April 13, 2026 article). Measured hardware: Mac Studio M1 Ultra 128GB. Gemma4 E4B Q4_K_M GGUF, llama.cpp ff5ef8278 (8763), backend Metal/BLAS. pp512 1172.93 ±0.36 tokens/s; tg128 69.73 ±0.19 tokens/s. 16 CPU threads; recommendedMaxWorkingSetSize 103079.22 MB is a runtime recommendation, not resident memory. Unified system RAM 128GB, GPU core count unknown. Command names --hf-repo unsloth/gemma-4-E4B-it-GGUF; exact tested quantization repository https://huggingface.co/unsloth/gemma-4-E4B-it-GGUF ; tested revision unknown. Log reports 4.62 GiB model size and 7.52B counted parameters; size is not resident memory. Context depth, KV quantization, measured power, driver version and explicit speculation/concurrency declarations unreported. Raw source: https://blog.majid.info/llama-bench/utumno.txt .