{
  "schema_version": 1,
  "published_repository": "TiGa-RCE/gte-Qwen2-1.5B-instruct-MLX-oQ4e",
  "family": "gte-Qwen2-1.5B-instruct",
  "variant": "oQ4e",
  "upstream_repository": "Alibaba-NLP/gte-Qwen2-1.5B-instruct",
  "upstream_revision": "a9af15a6372d7d6b25e9fb07c2ccb9e1fe645644",
  "upstream_revision_evidence": "upstream revision verified at publication time; historical local snapshot metadata was not retained",
  "direct_parent": "TiGa-RCE/gte-Qwen2-1.5B-instruct-MLX-BF16",
  "direct_parent_weight_hashes": [
    {
      "file": "model.safetensors",
      "sha256": "9e9da58bd1371c47a08bc82f58bd29d33a6831094372dd717d68148f061dd11a",
      "bytes": 3552432732
    }
  ],
  "conversion": {
    "method": "oQe calibrated mixed-precision affine quantization",
    "nominal_bits": 4,
    "group_size": 64,
    "importance_matrix": true,
    "importance_matrix_samples": 128,
    "importance_matrix_sequence_length": 512,
    "stack": {
      "omlx": "0.5.3",
      "mlx_lm": "0.31.3",
      "mlx": "0.32.0"
    },
    "lossy_parent": false
  },
  "weight_files": [
    {
      "file": "model.safetensors",
      "sha256": "af2170ec22954850793db216b808bec29577b79e333fbcbf7edf045c1286f2d2",
      "bytes": 1043785178
    }
  ],
  "evaluation": {
    "pair_count": 24,
    "top1": 1.0,
    "recall_at_5": 1.0,
    "mrr": 1.0,
    "mean_aligned_embedding_cosine_vs_bf16": 0.9881011843681335,
    "minimum_aligned_embedding_cosine_vs_bf16": 0.9773147106170654,
    "score_rmse_vs_bf16": 0.013694853521883488,
    "queries_with_rank_change": 0,
    "gate_passed": false,
    "gate_criteria": {
      "top1_delta_min": 0.0,
      "recall_at_5_delta_min": 0.0,
      "mrr_delta_min": -0.01,
      "minimum_aligned_embedding_cosine_min": 0.99,
      "queries_with_rank_change_max": 2
    }
  },
  "collection": "https://huggingface.co/collections/TiGa-RCE/mlx-embedding-quantization-matrix-q-oq-oqe-at-4-6-8-bit-6a68d11afb238d4fe967d70b"
}