{
  "generated_utc": "2026-09-29T06:36:30.630720+00:00",
  "hardware": {
    "arch": "arm64",
    "cpu_threads": 12,
    "gpu": "Apple M4 Pro (MPS)",
    "machine": "Apple M4 Pro",
    "os": "macOS-26.6.2-arm64-arm-64bit"
  },
  "inputs": {
    "fiqa-arctic": {
      "sha256": "87e5fba328a3adb9c1486d87326d0917fd3d80c48aa918250a28d6264f9f43f9",
      "source": "release benchmark-inputs-2026-10 asset fiqa-arctic.npz (pending upload); BeIR/fiqa@979c07a7cb5ccc6ca009792241fa1250b98055dd, Snowflake/snowflake-arctic-embed-m-v1.5@e58a8f756156a1293d763f17e3aae643474e9b8a"
    },
    "fiqa-e5": {
      "sha256": "c1e8ebad315d3abff95571574b6d7c58143e7283b8de7a69f6d89cf536d4d867",
      "source": "release benchmark-inputs-2026-09 asset fiqa-e5.npz (uploaded); BeIR/fiqa@979c07a7cb5ccc6ca009792241fa1250b98055dd, intfloat/e5-small-v2@ffb93f3bd4047442299a41ebb6fa998a38507c52"
    },
    "fiqa-mxbai": {
      "sha256": "2a340a636169b00e9e9925acb5b302905f8a161b6d5560fd5a5ff7c7368b3bcb",
      "source": "release benchmark-inputs-2026-10 asset fiqa-mxbai.npz (pending upload); BeIR/fiqa@979c07a7cb5ccc6ca009792241fa1250b98055dd, mixedbread-ai/mxbai-embed-large-v1@b33106f585b9ce46904ad7443a3b52b7a63e231c"
    },
    "scifact-arctic": {
      "sha256": "12ffa5bfaea62d06a1fe5dc1527b928c5838dee9b2de90263b5c9dd7b2ca32b3",
      "source": "release benchmark-inputs-2026-10 asset scifact-arctic.npz (pending upload); BeIR/scifact@b3b5335604bf5ee3c4447671af975ea25143d4f5, Snowflake/snowflake-arctic-embed-m-v1.5@e58a8f756156a1293d763f17e3aae643474e9b8a"
    },
    "scifact-e5": {
      "sha256": "1de0ad4e829851fcbae4af37658b8d4ccdfdd4bb1e3a07a35a68f077893d0f94",
      "source": "release benchmark-inputs-2026-09 asset scifact-e5.npz (uploaded); BeIR/scifact@b3b5335604bf5ee3c4447671af975ea25143d4f5, intfloat/e5-small-v2@ffb93f3bd4047442299a41ebb6fa998a38507c52"
    },
    "scifact-mxbai": {
      "sha256": "a558245a661fcebd22ee459e884e78411c2e99e1eacabe9ece1e55441c3721e1",
      "source": "release benchmark-inputs-2026-10 asset scifact-mxbai.npz (pending upload); BeIR/scifact@b3b5335604bf5ee3c4447671af975ea25143d4f5, mixedbread-ai/mxbai-embed-large-v1@b33106f585b9ce46904ad7443a3b52b7a63e231c"
    }
  },
  "results": {
    "datasets": {
      "fiqa": {
        "corpus_rows": 57638,
        "qrels_repo": "BeIR/fiqa-qrels",
        "qrels_revision": "252958f2d646e22cab6d0c72dd3f0d5de6d0655a",
        "repo": "BeIR/fiqa",
        "revision": "979c07a7cb5ccc6ca009792241fa1250b98055dd",
        "test_queries": 648
      },
      "scifact": {
        "corpus_rows": 5183,
        "qrels_repo": "BeIR/scifact-qrels",
        "qrels_revision": "2938d17dc3b09882fdb8c12bbbe2e2dc0e75a029",
        "repo": "BeIR/scifact",
        "revision": "b3b5335604bf5ee3c4447671af975ea25143d4f5",
        "test_queries": 300
      }
    },
    "k": 10,
    "methods": {
      "bf16": {
        "id": "bf16",
        "name": "bf16"
      },
      "faiss_pq2": {
        "bits": 4,
        "id": "faiss_pq2",
        "name": "faiss_pq",
        "seed": 20260921,
        "subquantizers": 192
      },
      "faiss_sq8": {
        "bits": 8,
        "id": "faiss_sq8",
        "name": "faiss_sq"
      },
      "fp16": {
        "id": "fp16",
        "name": "fp16"
      },
      "fp32": {
        "id": "fp32",
        "name": "fp32"
      },
      "fp8_e4m3": {
        "id": "fp8_e4m3",
        "name": "fp8_e4m3"
      },
      "fp8_e5m2": {
        "id": "fp8_e5m2",
        "name": "fp8_e5m2"
      },
      "int4_block32": {
        "id": "int4_block32",
        "name": "int4_block32"
      },
      "mrl256": {
        "id": "mrl256",
        "name": "mrl256"
      },
      "mrl256_int8": {
        "id": "mrl256_int8",
        "name": "mrl256_int8"
      },
      "mxfp4": {
        "id": "mxfp4",
        "name": "mxfp4"
      },
      "mxfp8": {
        "id": "mxfp8",
        "name": "mxfp8"
      },
      "nvfp4": {
        "id": "nvfp4",
        "name": "nvfp4"
      },
      "rabitq2": {
        "bits": 2,
        "id": "rabitq2",
        "name": "faiss_rabitq",
        "seed": 20260921
      },
      "rabitq4": {
        "bits": 4,
        "id": "rabitq4",
        "name": "faiss_rabitq",
        "seed": 20260921
      },
      "semq_orbit50": {
        "id": "semq_orbit50",
        "name": "semq_orbit",
        "scale": 50
      },
      "semq_phase16": {
        "id": "semq_phase16",
        "name": "semq_phase",
        "sectors": 16
      },
      "semq_quant2": {
        "bits": 2,
        "id": "semq_quant2",
        "name": "semq_quant"
      },
      "semq_quant4": {
        "bits": 3,
        "id": "semq_quant4",
        "name": "semq_quant"
      },
      "semq_quant8": {
        "bits": 4,
        "id": "semq_quant8",
        "name": "semq_quant"
      },
      "st_binary": {
        "id": "st_binary",
        "name": "st_binary"
      },
      "st_int8": {
        "id": "st_int8",
        "name": "st_int8"
      },
      "turboquant_mse2": {
        "bits": 2,
        "id": "turboquant_mse2",
        "name": "faiss_turboquant_mse",
        "seed": 20260921
      },
      "turboquant_mse4": {
        "bits": 4,
        "id": "turboquant_mse4",
        "name": "faiss_turboquant_mse",
        "seed": 20260921
      }
    },
    "models": {
      "arctic_m": {
        "dimension": 768,
        "document_prefix": "",
        "matryoshka": true,
        "query_prefix": "Represent this sentence for searching relevant passages: ",
        "repo": "Snowflake/snowflake-arctic-embed-m-v1.5",
        "revision": "e58a8f756156a1293d763f17e3aae643474e9b8a"
      },
      "e5_small": {
        "dimension": 384,
        "document_prefix": "passage: ",
        "matryoshka": false,
        "query_prefix": "query: ",
        "repo": "intfloat/e5-small-v2",
        "revision": "ffb93f3bd4047442299a41ebb6fa998a38507c52"
      },
      "mxbai_large": {
        "dimension": 1024,
        "document_prefix": "",
        "matryoshka": true,
        "query_prefix": "Represent this sentence for searching relevant passages: ",
        "repo": "mixedbread-ai/mxbai-embed-large-v1",
        "revision": "b33106f585b9ce46904ad7443a3b52b7a63e231c"
      }
    },
    "reference": "fp32: exact float64 cosine of the original float32 embeddings",
    "rescoring": "none",
    "scoring_profiles": {
      "direction_scoring": "cosine(original query, decoded row), float64",
      "method_scoring": "method's own exhaustive estimator, float32 query"
    },
    "table": {
      "arctic_m": {
        "fiqa": {
          "corpus_rows": 57638,
          "fp32_ndcg10": 0.42409596631182855,
          "input": "fiqa-arctic",
          "methods": {
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