AIOS — First Ground Truth Baseline (CPU DRAM Measurement)

AIOS — First Ground Truth Baseline (CPU DRAM Measurement) Following up on my earlier post introducing AIOS (CPU-native LLM inference architecture), we now have the first validated baseline measurement using hardware memory controller counters. Setup Model: Falcon 7B (GGUF Q4_K_M) CPU: Intel Core Ultra 7 265K (20 cores) OS: Arch Linux (kernel 6.19.10-zen1-1-zen) Method: perf uncore IMC counters (uncore_imc_free_running_0/data_read/) Results (5 runs × 200 tokens) MB/token: 2340 ± 4 MB Coefficient of Variation: 0.17% Tokens/sec: 11.43 ± 0.05 Key Takeaways The measurement is highly stable (CV < 1%), confirming that DRAM reads can be treated as a reliable physical metric. ~456–459 GB DRAM read for 200 tokens highlights the memory bandwidth wall in CPU inference. This establishes a ground truth