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SlayerLab/Slayer149

1.1480 bits per UTF-8 byte · 20 recent academic documents · lower is better.

17 Oct 2026, 00:50 UTC · strict under-1B cohort · raw-text likelihood · base

result.json ↗corpus-manifest.json ↗evaluate_sub1b.py ↗manifest.json ↗sub1b_balanced.py ↗sub1b_gollem.py ↗sub1b_native.py ↗sub1b_slayer139.py ↗

Reproducible scope

{
  "system": {
    "adapter": "gollem",
    "id": "SlayerLab/Slayer149",
    "license": "apache-2.0",
    "revision": "7857dd28ec052cd943edcdc1f9e35f7b21dc4f3e",
    "source": "https://huggingface.co/SlayerLab/Slayer149",
    "stage": "base",
    "track": "raw-base"
  },
  "parameters": 148910738,
  "protocol": {
    "aggregation": "sum document negative log likelihood / log(2) / sum raw UTF-8 bytes",
    "batch_size": 4,
    "benchmark": "codesota-live-arxiv-2026-10-snapshot1",
    "context_tokens": 1024,
    "direction": "min",
    "dtype": "float32",
    "execution": "Native Slayer rows are unpadded and scored separately inside each batch; HF models use masked padded batches",
    "id": "codesota-live-bpb-v1",
    "loader_sources": {
      "sub1b_balanced.py": "f2949b3c2a6f3585ba9eb4b3bc7ef8306afea74492670d7c82d8c3f7e2c2a64b",
      "sub1b_gollem.py": "b9bff95fe326165b5685572727d5c50b1f86a50676932ad5b7da17018965e1d7",
      "sub1b_native.py": "ea56adc25566f7f6745ab882684dfc67e7f1cc48f29e53422fb3cab0cce769e7",
      "sub1b_slayer139.py": "f23a691bb330db4e6311b4b7e83936d5a4c584cc3f61ecf7f7025435ad87d326"
    },
    "metric": "bits_per_utf8_byte",
    "runner_sha256": "1e4ab990f08eeffdce1a6202b97b8458913510106e96fcd0b22d37cffde37065",
    "selection": "20 newest cs.CL abstracts in pinned temporal manifest; domain-specific pilot, not representative general text",
    "start_token_id": 0,
    "start_token_policy": "HF tokenizer BOS, else EOS; native config BOS or token 0; prefix not scored",
    "stride_tokens": 512,
    "task": "language-modeling",
    "tf32": false,
    "tokenization": "raw text, no chat template or added special tokens; every content token scored once"
  },
  "environment": {
    "gpu": "NVIDIA GeForce RTX 3090",
    "platform": "Linux-7.0.0-34-generic-x86_64-with-glibc2.43",
    "python": "3.11.16 (main, Sep  1 2026, 14:18:37) [Clang 22.1.3 ]",
    "torch": "2.8.0+cu128",
    "transformers": "4.56.2"
  }
}

Cost

Model loading 1.11s · loss scoring 0.33s · peak allocated GPU memory 0.84 GiB. GPU-slot time is their sum; corpus collection and tokenization are excluded.

Document-level evidence

Original documentUTF-8 bytesTokensBPB ↓
2610.22355v1 ↗
2026-10-15T17:58:04Z
19984180.9456
2610.22350v1 ↗
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18144081.1271
2610.22344v1 ↗
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19964781.1891
2610.22333v1 ↗
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13222901.0632
2610.22327v1 ↗
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17353881.0777
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15293641.1624
2610.22322v1 ↗
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16873620.9750
2610.22314v1 ↗
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16753820.9887
2610.22312v1 ↗
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13392771.0916
2610.22300v1 ↗
2026-10-15T17:47:52Z
19734471.1099
2610.22298v1 ↗
2026-10-15T17:46:37Z
15733641.2460
2610.22294v1 ↗
2026-10-15T17:44:46Z
10042201.0694
2610.22292v1 ↗
2026-10-15T17:43:47Z
13763471.1735
2610.22273v1 ↗
2026-10-15T17:35:17Z
15993741.1386
2610.22249v1 ↗
2026-10-15T17:22:11Z
14253451.2593
2610.22244v1 ↗
2026-10-15T17:19:40Z
19695001.4171
2610.22236v1 ↗
2026-10-15T17:15:01Z
13393091.3251
2610.22209v1 ↗
2026-10-15T16:58:12Z
16173571.0506
2610.22196v1 ↗
2026-10-15T16:46:47Z
13063291.4499
2610.22195v1 ↗
2026-10-15T16:45:59Z
12593051.1662