{
  "title": "RustSearch authority duplicate lookup \u2014 local synthetic backend HTTP measurements",
  "version": "0.6.0",
  "evidence_snapshot": "October 2026",
  "cpu_model": "AMD Ryzen 7 7735U with Radeon Graphics",
  "logical_cpus": 16,
  "machine": "x86_64",
  "trials": 9,
  "scope": "Rust backend HTTP/JSON only. No Perl, Koha or DB time. One sequential client; freshly indexed synthetic headings, all in one authority type. Not cold disk, not a production SLO, not a head-to-head engine comparison.",
  "memory_scope": "Process VmHWM includes incremental indexing and all preceding queries; not per-request allocation",
  "rows": [
    {
      "authorities": 100,
      "query": "single_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 1.0628839991113637,
      "median_ms": 0.9100130009755958,
      "p95_ms": 1.6598920010437723,
      "max_ms": 1.6598920010437723,
      "samples_ms": [
        0.9330049997515744,
        0.9100130009755958,
        0.9034510003402829,
        0.897940999493585,
        0.9685810000519268,
        1.6598920010437723,
        0.9219950006809086,
        0.9042530000442639,
        0.8879030010575661
      ],
      "process_peak_rss_kib": 31560
    },
    {
      "authorities": 100,
      "query": "no_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 0.8894960010366049,
      "median_ms": 1.0026840009231819,
      "p95_ms": 1.8051990009553265,
      "max_ms": 1.8051990009553265,
      "samples_ms": [
        0.8803689997876063,
        1.8051990009553265,
        1.2450590002117679,
        0.972559000729234,
        1.0026840009231819,
        0.9014580009534257,
        1.037707999785198,
        1.7768970010365592,
        0.9448370001337025
      ],
      "process_peak_rss_kib": 31560
    },
    {
      "authorities": 100,
      "query": "many_matches_page",
      "offset": 99,
      "trials": 9,
      "first_request_ms": 1.7988079998758622,
      "median_ms": 1.0415450014988892,
      "p95_ms": 1.7144829998869682,
      "max_ms": 1.7144829998869682,
      "samples_ms": [
        1.078462999430485,
        0.9744720009621233,
        1.7144829998869682,
        1.6950770004768856,
        0.9704740004963242,
        1.0415450014988892,
        1.0829909988387953,
        1.0264279990224168,
        0.976085000729654
      ],
      "process_peak_rss_kib": 31560
    },
    {
      "authorities": 1000,
      "query": "single_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 5.639750001137145,
      "median_ms": 5.755292000685586,
      "p95_ms": 6.694059000437846,
      "max_ms": 6.694059000437846,
      "samples_ms": [
        5.755292000685586,
        5.3604669992637355,
        5.328106999513693,
        5.797400001029018,
        6.637024000156089,
        5.387836999943829,
        6.694059000437846,
        5.1533659989217995,
        6.219396000233246
      ],
      "process_peak_rss_kib": 43704
    },
    {
      "authorities": 1000,
      "query": "no_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 5.2956669987906935,
      "median_ms": 5.437608999272925,
      "p95_ms": 6.488840999736567,
      "max_ms": 6.488840999736567,
      "samples_ms": [
        5.09892599984596,
        5.102131000967347,
        5.5082580001908354,
        5.437608999272925,
        5.978573000902543,
        5.121486999996705,
        5.228775000432506,
        5.598874999122927,
        6.488840999736567
      ],
      "process_peak_rss_kib": 43704
    },
    {
      "authorities": 1000,
      "query": "many_matches_page",
      "offset": 999,
      "trials": 9,
      "first_request_ms": 6.019198001013137,
      "median_ms": 5.755893998866668,
      "p95_ms": 7.081200999891735,
      "max_ms": 7.081200999891735,
      "samples_ms": [
        5.833776000145008,
        5.880503000298631,
        5.72860299871536,
        5.755893998866668,
        5.6801840000844095,
        5.549324001549394,
        7.081200999891735,
        5.704600000171922,
        6.279155999436625
      ],
      "process_peak_rss_kib": 43704
    },
    {
      "authorities": 10000,
      "query": "single_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 50.761137001245515,
      "median_ms": 46.56925899871567,
      "p95_ms": 50.943362000907655,
      "max_ms": 50.943362000907655,
      "samples_ms": [
        49.530104000950814,
        48.062955000204965,
        50.943362000907655,
        45.06452300120145,
        46.56925899871567,
        50.314795998929185,
        45.98763000103645,
        46.09062900090066,
        46.21058900011121
      ],
      "process_peak_rss_kib": 272344
    },
    {
      "authorities": 10000,
      "query": "no_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 47.05499300143856,
      "median_ms": 48.53607500081125,
      "p95_ms": 49.457891000201926,
      "max_ms": 49.457891000201926,
      "samples_ms": [
        48.773251999591594,
        48.53607500081125,
        48.88783199930913,
        47.835297000347055,
        47.23321100027533,
        48.230323000098,
        47.58862400012731,
        48.96799000016472,
        49.457891000201926
      ],
      "process_peak_rss_kib": 272344
    },
    {
      "authorities": 10000,
      "query": "many_matches_page",
      "offset": 9999,
      "trials": 9,
      "first_request_ms": 52.396765000594314,
      "median_ms": 55.300103000263334,
      "p95_ms": 59.04440799895383,
      "max_ms": 59.04440799895383,
      "samples_ms": [
        53.40691200035508,
        55.44543999894813,
        55.300103000263334,
        55.52597899986722,
        55.20516800061159,
        59.04440799895383,
        55.530446999910055,
        54.74712599971099,
        53.121778000786435
      ],
      "process_peak_rss_kib": 272344
    },
    {
      "authorities": 50000,
      "query": "single_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 536.9887489996472,
      "median_ms": 250.48703299944464,
      "p95_ms": 433.05848599993624,
      "max_ms": 433.05848599993624,
      "samples_ms": [
        433.05848599993624,
        311.51783399946,
        298.12459699860483,
        252.0951899987267,
        240.5008009991434,
        241.59174700071162,
        238.94412900153839,
        250.48703299944464,
        239.50250500092807
      ],
      "process_peak_rss_kib": 863072
    },
    {
      "authorities": 50000,
      "query": "no_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 244.0219750005781,
      "median_ms": 246.8740299991623,
      "p95_ms": 252.71532000078878,
      "max_ms": 252.71532000078878,
      "samples_ms": [
        246.8740299991623,
        242.06758200125478,
        246.2003119999281,
        251.30265199913993,
        240.1821250005014,
        250.51396299932094,
        252.71532000078878,
        240.8203280010639,
        252.67487599921878
      ],
      "process_peak_rss_kib": 863072
    },
    {
      "authorities": 50000,
      "query": "many_matches_page",
      "offset": 10000,
      "trials": 9,
      "first_request_ms": 268.5777480000979,
      "median_ms": 272.21697900131403,
      "p95_ms": 280.61366899964924,
      "max_ms": 280.61366899964924,
      "samples_ms": [
        276.98030800092965,
        279.0516069999285,
        269.79408399893146,
        276.5183080009592,
        268.18647799882456,
        280.61366899964924,
        269.6623020001425,
        264.4158550010616,
        272.21697900131403
      ],
      "process_peak_rss_kib": 863072
    },
    {
      "authorities": 100000,
      "query": "single_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 1167.6520299988624,
      "median_ms": 510.9753760007152,
      "p95_ms": 1003.2350389992644,
      "max_ms": 1003.2350389992644,
      "samples_ms": [
        1003.2350389992644,
        911.8498050011112,
        670.9374960009882,
        595.1496109992149,
        488.8625259991386,
        503.0242160009948,
        510.9753760007152,
        509.7325410006306,
        491.8057470003987
      ],
      "process_peak_rss_kib": 1585332
    },
    {
      "authorities": 100000,
      "query": "no_match",
      "offset": 0,
      "trials": 9,
      "first_request_ms": 502.72375299937266,
      "median_ms": 504.0081150000333,
      "p95_ms": 517.8930459987896,
      "max_ms": 517.8930459987896,
      "samples_ms": [
        516.1205969998264,
        511.62836699950276,
        506.74412599983043,
        498.43781299932743,
        504.0081150000333,
        517.8930459987896,
        503.16910199944687,
        499.7771849994024,
        500.35845399906975
      ],
      "process_peak_rss_kib": 1585332
    },
    {
      "authorities": 100000,
      "query": "many_matches_page",
      "offset": 10000,
      "trials": 9,
      "first_request_ms": 549.4738960005634,
      "median_ms": 542.6125390004017,
      "p95_ms": 553.8354050004273,
      "max_ms": 553.8354050004273,
      "samples_ms": [
        543.0210900012753,
        536.3544729989371,
        526.5659540000343,
        524.395012000241,
        542.6125390004017,
        546.1556439986452,
        553.8354050004273,
        539.2714049994538,
        549.1452410005877
      ],
      "process_peak_rss_kib": 1585332
    }
  ]
}