{
  "generated_at": "2026-07-16 19:23:35 UTC",
  "rss_source": "ps for mini-redis-go; /proc VmRSS + HugetlbPages otherwise",
  "server_core": 2,
  "client_core": 3,
  "suite": "zset",
  "members": 1000000,
  "value_bytes": 16,
  "batch": 128,
  "pipeline": 256,
  "requests": 200000,
  "rounds": 3,
  "ring_size_bytes": 2097152,
  "engines": [
    {
      "label": "goblin-resp-tcp",
      "transport": "resp",
      "optimized": true,
      "population": {
        "commands": 7813,
        "logical_operations": 7813,
        "seconds": 0.922071227,
        "checksum": 1132821,
        "operations_per_second": 8473.315044673875
      },
      "memory": {
        "rss_bytes": 58736640,
        "rss_delta_bytes": 52322304,
        "used_memory_bytes": 37340957,
        "key_bytes": 51338848,
        "goblin_memory": {
          "member_count": "1000000",
          "rank_cache_mode": "off",
          "score_width": "f64",
          "member_storage_bytes": "16000000",
          "member_storage_allocated_bytes": "30064512",
          "member_ref_capacity": "1000000",
          "score_string_cache_bytes": "0",
          "score_string_cache_ref_capacity": "0",
          "score_string_cache_allocated_bytes": "0",
          "member_index_capacity": "1030928",
          "member_index_member_slot_capacity": "0",
          "member_index_tombstones": "0",
          "member_index_allocated_bytes": "5154656",
          "score_entry_count": "1000000",
          "score_block_count": "1780",
          "score_block_capacity_sum": "1000360",
          "rank_location_cache_allocated_bytes": "0",
          "score_index_allocated_bytes": "16119680",
          "total_allocated_bytes": "51338848"
        }
      },
      "operations": {
        "score-hit": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.11768301,
          "checksum": 8148254,
          "operations_per_second": 1699480.66420123,
          "round_rates": [
            1573513.5870774,
            1704187.115314375,
            1699480.66420123
          ]
        },
        "rank": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.186036494,
          "checksum": 100001603527,
          "operations_per_second": 1075057.8862231192,
          "round_rates": [
            1075057.8862231192,
            1074577.557637909,
            1079781.8175582932
          ]
        },
        "range-16": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.270290186,
          "checksum": 163000000,
          "operations_per_second": 739945.4747498676,
          "round_rates": [
            734441.487782946,
            753690.9517761961,
            739945.4747498676
          ]
        },
        "card": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.067454352,
          "checksum": 200003400000,
          "operations_per_second": 2964968.0720378133,
          "round_rates": [
            2982917.354322333,
            2959307.582395594,
            2964968.0720378133
          ]
        },
        "update": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.187803479,
          "checksum": 3400000,
          "operations_per_second": 1064942.9982071845,
          "round_rates": [
            735779.5888068544,
            1064942.9982071845,
            1109107.366933471
          ]
        },
        "churn": {
          "commands": 200000,
          "logical_operations": 100000,
          "seconds": 0.202022533,
          "checksum": 3600000,
          "operations_per_second": 494994.2885826503,
          "round_rates": [
            386130.55199069105,
            494994.2885826503,
            497921.95756464096
          ]
        }
      },
      "final_cardinality": 1000000
    },
    {
      "label": "goblin-sbe-ring",
      "transport": "sbe",
      "optimized": true,
      "population": {
        "commands": 7813,
        "logical_operations": 7813,
        "seconds": 0.702715554,
        "checksum": 1132821,
        "operations_per_second": 11118.296664314335
      },
      "memory": {
        "rss_bytes": 67338240,
        "rss_delta_bytes": 52506624,
        "used_memory_bytes": 37340957,
        "key_bytes": 51338848,
        "goblin_memory": {
          "member_count": "1000000",
          "rank_cache_mode": "off",
          "score_width": "f64",
          "member_storage_bytes": "16000000",
          "member_storage_allocated_bytes": "30064512",
          "member_ref_capacity": "1000000",
          "score_string_cache_bytes": "0",
          "score_string_cache_ref_capacity": "0",
          "score_string_cache_allocated_bytes": "0",
          "member_index_capacity": "1030928",
          "member_index_member_slot_capacity": "0",
          "member_index_tombstones": "0",
          "member_index_allocated_bytes": "5154656",
          "score_entry_count": "1000000",
          "score_block_count": "1780",
          "score_block_capacity_sum": "1000360",
          "rank_location_cache_allocated_bytes": "0",
          "score_index_allocated_bytes": "16119680",
          "total_allocated_bytes": "51338848"
        }
      },
      "operations": {
        "score-hit": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.053032023,
          "checksum": 19400000,
          "operations_per_second": 3771306.2539590467,
          "round_rates": [
            3033171.583392306,
            3771306.2539590467,
            3809742.2347452682
          ]
        },
        "rank": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.124049189,
          "checksum": 100001603527,
          "operations_per_second": 1612263.664214685,
          "round_rates": [
            1589758.8497980258,
            1612263.664214685,
            1627579.7953546268
          ]
        },
        "range-16": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.071382518,
          "checksum": 12600000,
          "operations_per_second": 2801806.4591108984,
          "round_rates": [
            2795283.864151217,
            2841671.0543251773,
            2801806.4591108984
          ]
        },
        "card": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.02220468,
          "checksum": 200003400000,
          "operations_per_second": 9007110.212801985,
          "round_rates": [
            9007110.212801985,
            8910532.77100149,
            9021736.159145592
          ]
        },
        "update": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.059039745,
          "checksum": 3400000,
          "operations_per_second": 3387548.506518787,
          "round_rates": [
            1347495.3477386246,
            3387548.506518787,
            3709559.7245978345
          ]
        },
        "churn": {
          "commands": 200000,
          "logical_operations": 100000,
          "seconds": 0.131620321,
          "checksum": 3600000,
          "operations_per_second": 759761.1010232986,
          "round_rates": [
            519855.0419565647,
            759761.1010232986,
            768573.9045871603
          ]
        }
      },
      "final_cardinality": 1000000
    },
    {
      "label": "redis-7.2.4",
      "transport": "resp",
      "population": {
        "commands": 7813,
        "logical_operations": 7813,
        "seconds": 1.080723106,
        "checksum": 1132821,
        "operations_per_second": 7229.418855415866
      },
      "memory": {
        "rss_bytes": 117059584,
        "rss_delta_bytes": 109764608,
        "used_memory_bytes": 103174040,
        "key_bytes": 99589408,
        "goblin_memory": {}
      },
      "operations": {
        "score-hit": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.121804721,
          "checksum": 8148254,
          "operations_per_second": 1641972.4815099735,
          "round_rates": [
            1546025.8863482357,
            1649035.4136374057,
            1641972.4815099735
          ]
        },
        "rank": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.247319976,
          "checksum": 100001603527,
          "operations_per_second": 808669.0094131337,
          "round_rates": [
            778580.9969703972,
            808669.0094131337,
            808781.3565189057
          ]
        },
        "range-16": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.347675567,
          "checksum": 163000000,
          "operations_per_second": 575248.9360289157,
          "round_rates": [
            586576.7707263537,
            574588.2106571271,
            575248.9360289157
          ]
        },
        "card": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.083173527,
          "checksum": 200003400000,
          "operations_per_second": 2404611.26531282,
          "round_rates": [
            2386903.01541635,
            2413352.878756518,
            2404611.26531282
          ]
        },
        "update": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.211332586,
          "checksum": 3400000,
          "operations_per_second": 946375.5863944239,
          "round_rates": [
            586325.6934157361,
            946375.5863944239,
            954324.7118652727
          ]
        },
        "churn": {
          "commands": 200000,
          "logical_operations": 100000,
          "seconds": 0.235830918,
          "checksum": 3600000,
          "operations_per_second": 424032.61136438436,
          "round_rates": [
            418087.43927530793,
            427456.1332333576,
            424032.61136438436
          ]
        }
      },
      "final_cardinality": 1000000
    },
    {
      "label": "redis-8.8",
      "transport": "resp",
      "population": {
        "commands": 7813,
        "logical_operations": 7813,
        "seconds": 1.104838253,
        "checksum": 1132821,
        "operations_per_second": 7071.623360962683
      },
      "memory": {
        "rss_bytes": 91058176,
        "rss_delta_bytes": 82677760,
        "used_memory_bytes": 78210200,
        "key_bytes": 95725832,
        "goblin_memory": {}
      },
      "operations": {
        "score-hit": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.149454299,
          "checksum": 8148254,
          "operations_per_second": 1338201.7201124472,
          "round_rates": [
            1266678.8994070245,
            1338201.7201124472,
            1339635.101885211
          ]
        },
        "rank": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.261318754,
          "checksum": 100001603527,
          "operations_per_second": 765348.8199319977,
          "round_rates": [
            732648.0434152285,
            765348.8199319977,
            770789.4745290363
          ]
        },
        "range-16": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.357293483,
          "checksum": 163000000,
          "operations_per_second": 559763.9182240556,
          "round_rates": [
            557008.2500914907,
            560308.0950433589,
            559763.9182240556
          ]
        },
        "card": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.100299435,
          "checksum": 200003400000,
          "operations_per_second": 1994029.1787286736,
          "round_rates": [
            1993634.6833104328,
            1994029.1787286736,
            1999879.0273176376
          ]
        },
        "update": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.217427924,
          "checksum": 3400000,
          "operations_per_second": 919845.0517330975,
          "round_rates": [
            845386.5625797424,
            919845.0517330975,
            925027.8865844399
          ]
        },
        "churn": {
          "commands": 200000,
          "logical_operations": 100000,
          "seconds": 0.268814653,
          "checksum": 3600000,
          "operations_per_second": 372003.5306259886,
          "round_rates": [
            359138.74506579275,
            372240.96670562145,
            372003.5306259886
          ]
        }
      },
      "final_cardinality": 1000000
    },
    {
      "label": "valkey-9.1",
      "transport": "resp",
      "population": {
        "commands": 7813,
        "logical_operations": 7813,
        "seconds": 1.098485046,
        "checksum": 1132821,
        "operations_per_second": 7112.522859050373
      },
      "memory": {
        "rss_bytes": 92602368,
        "rss_delta_bytes": 84557824,
        "used_memory_bytes": 81820616,
        "key_bytes": 78265360,
        "goblin_memory": {}
      },
      "operations": {
        "score-hit": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.137820748,
          "checksum": 8148254,
          "operations_per_second": 1451160.3144107156,
          "round_rates": [
            1324672.1148399587,
            1451160.3144107156,
            1456542.7294943654
          ]
        },
        "rank": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.250975045,
          "checksum": 100001603527,
          "operations_per_second": 796891.9778458452,
          "round_rates": [
            757456.8368523717,
            796891.9778458452,
            799184.50573687
          ]
        },
        "range-16": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.39653939,
          "checksum": 163000000,
          "operations_per_second": 504363.5135465357,
          "round_rates": [
            501016.3191185768,
            508965.148799753,
            504363.5135465357
          ]
        },
        "card": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.107232648,
          "checksum": 200003400000,
          "operations_per_second": 1865103.6203078749,
          "round_rates": [
            1865103.6203078749,
            1861776.4823578387,
            1869698.469988348
          ]
        },
        "update": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.222228731,
          "checksum": 3400000,
          "operations_per_second": 899973.6402220647,
          "round_rates": [
            864782.2571240654,
            899973.6402220647,
            922704.5422364037
          ]
        },
        "churn": {
          "commands": 200000,
          "logical_operations": 100000,
          "seconds": 0.258940472,
          "checksum": 3600000,
          "operations_per_second": 386189.1469789242,
          "round_rates": [
            378220.0329838126,
            388159.6344070352,
            386189.1469789242
          ]
        }
      },
      "final_cardinality": 1000000
    },
    {
      "label": "dragonfly",
      "transport": "resp",
      "population": {
        "commands": 7813,
        "logical_operations": 7813,
        "seconds": 0.804476925,
        "checksum": 1132821,
        "operations_per_second": 9711.900686275121
      },
      "memory": {
        "rss_bytes": 78397440,
        "rss_delta_bytes": 55259136,
        "used_memory_bytes": 54582072,
        "key_bytes": 54299376,
        "goblin_memory": {}
      },
      "operations": {
        "score-hit": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.186650497,
          "checksum": 8148254,
          "operations_per_second": 1071521.390055554,
          "round_rates": [
            1010392.4317726953,
            1071521.390055554,
            1074949.4011911051
          ]
        },
        "rank": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.301526292,
          "checksum": 100001603527,
          "operations_per_second": 663292.0753723196,
          "round_rates": [
            654459.1171087999,
            663501.75885359,
            663292.0753723196
          ]
        },
        "range-16": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.52661674,
          "checksum": 163000000,
          "operations_per_second": 379782.8378945948,
          "round_rates": [
            363796.52472565003,
            379782.8378945948,
            379999.86893804517
          ]
        },
        "card": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.137371237,
          "checksum": 200003400000,
          "operations_per_second": 1455908.8523021743,
          "round_rates": [
            1448777.046005321,
            1455908.8523021743,
            1458028.4033993378
          ]
        },
        "update": {
          "commands": 200000,
          "logical_operations": 200000,
          "seconds": 0.442413254,
          "checksum": 3400000,
          "operations_per_second": 452066.0224162272,
          "round_rates": [
            446827.7232321647,
            452066.0224162272,
            452156.1105958202
          ]
        },
        "churn": {
          "commands": 200000,
          "logical_operations": 100000,
          "seconds": 0.310068541,
          "checksum": 3600000,
          "operations_per_second": 322509.3383465819,
          "round_rates": [
            321980.5813768956,
            323915.4442832008,
            322509.3383465819
          ]
        }
      },
      "final_cardinality": 1000000
    },
    {
      "label": "mini-redis-go-55178df",
      "transport": "resp",
      "unsupported": "collection_benchmark_worker: server returned error: ERR unknown command 'ZADD'"
    }
  ]
}