SPB Git

spb/localvm-research Public License

Running LLMs larger than memory on a consumer Mac — falsification-driven research: margin-gated deferred refinement, out-of-core verification on Apple Silicon. TR-01 published.

Python 63.2% JavaScript 23.5% CSS 11.8% Shell 0.9% Makefile 0.5%
3.2 KB · 129 lines json
Raw Blame History
1{2  "experiment": "candidate_01_deferred_refinement",3  "author": "Simon-Pierre Boucher",4  "contact": "contact@spboucher.ai",5  "manifest": {6    "author": "Simon-Pierre Boucher",7    "contact": "contact@spboucher.ai",8    "project": "localvm-research",9    "collected_utc": "2026-08-12T05:21:38.625190+00:00",10    "chip": {11      "brand": "Apple M5 Max",12      "arch": "arm64",13      "cores_total": 18,14      "cores_performance": 6,15      "cores_efficiency": 12,16      "gpu_cores": 4017    },18    "memory": {19      "unified_bytes": 51539607552,20      "unified_gb": 48.0,21      "pagesize": 1638422    },23    "ssd": {24      "model": "APPLE SSD AP2048Z",25      "size": "2 TB",26      "smart_status": "Verified"27    },28    "os": {29      "product": "macOS",30      "version": "27.0",31      "build": "26A5388g",32      "kernel": "27.0.0"33    },34    "software": {35      "python": "3.14.4",36      "mlx": "0.32.0",37      "mlx_lm": "0.31.3",38      "torch": null,39      "numpy": "2.5.2"40    },41    "git": {42      "commit": "ad9db7a3b447837ebb15d9776a5d220a13f00f84",43      "dirty_tree": false44    },45    "thermal_level_at_collect": null46  },47  "config": {48    "build": false,49    "per_domain": 1,50    "max_tokens": 48,51    "window": 32,52    "taus": "2.0"53  },54  "model": "mlx-community/Qwen3-1.7B-bf16",55  "q4_resident_bytes": 968080210,56  "q8_stream_bytes": 1828306411,57  "baselines": {58    "pure_q4": {59      "tokens_per_s": 290.07143667847674,60      "fidelity_vs_q8_mean": 0.760416666666666661    },62    "pure_q8": {63      "tokens_per_s": 200.84102191894104,64      "fidelity_vs_q8_mean": 1.065    }66  },67  "runs": [68    {69      "mode": "margin",70      "tau": 2.0,71      "window": 32,72      "fidelity_vs_q8_mean": 0.8472222222222222,73      "tokens_per_s": 140.97349004693962,74      "deferral_rate": 0.3298611111111111,75      "rollback_rate": 0.052083333333333336,76      "sweeps_per_100tok": 8.333333333333334,77      "sweep_latency_s_mean": 0.014723937416685354,78      "logical_verify_bytes_per_token": 152358867.58333334,79      "raw": {80        "tokens": 288,81        "deferred": 95,82        "sweeps": 24,83        "rollbacks": 15,84        "sweep_s": 0.3533744980004485,85        "gen_s": 1.6895627939975384,86        "logical_bytes": 4387935386487      }88    },89    {90      "mode": "verify-all",91      "tau": 2.0,92      "window": 32,93      "fidelity_vs_q8_mean": 0.9722222222222222,94      "tokens_per_s": 124.95923503254495,95      "deferral_rate": 0.4340277777777778,96      "rollback_rate": 0.07291666666666667,97      "sweeps_per_100tok": 9.722222222222221,98      "sweep_latency_s_mean": 0.01140881553575517,99      "logical_verify_bytes_per_token": 177752012.18055555,100      "raw": {101        "tokens": 288,102        "deferred": 125,103        "sweeps": 28,104        "rollbacks": 21,105        "sweep_s": 0.3194468350011448,106        "gen_s": 1.985304789998736,107        "logical_bytes": 51192579508108      }109    }110  ],111  "quality_bf16_judge": {112    "pure_q4": {113      "mean_logprob_bf16": -0.25611507147550583,114      "n": 6115    },116    "pure_q8": {117      "mean_logprob_bf16": -0.09550568337241809,118      "n": 6119    },120    "margin_tau2.0": {121      "mean_logprob_bf16": -0.12508264432350794,122      "n": 6123    },124    "verify-all_tau2.0": {125      "mean_logprob_bf16": -0.10116633027791977,126      "n": 6127    }128  }129}