{ "environment": { "line": "2.2", "baseline": "d951a83808425f9e7df7c0f6fc3fdb082443885f", "candidate": "f7867f5568509d6fb1656b4f75b2f8a3b348533f", "cpu": "AMD EPYC 7763 64-Core Processor", "platform": "Linux-7.0.0-1017-azure-x86_64-with-glibc2.39", "java": "openjdk version \"17.0.20.1\" 2026-08-18\nOpenJDK Runtime Environment Temurin-17.0.20.1+1 (build 17.0.20.1+1)\nOpenJDK 64-Bit Server VM Temurin-17.0.20.1+1 (build 17.0.20.1+1, mixed mode, sharing)\n", "native_sha256": "3065d4328ac773790a75beac04e35aab49291abb1206b10250a09fbf5e7393a2", "native_features": "release, no-default-features, mimalloc", "heap": "2 GiB", "parallelism": 1, "warmup": 2, "runs": 5, "rows": 2000000, "method": "Fresh JVM per expression/cohort; alternating stock/native pairs; MiniCluster construction and explain outside timing; production sources, transposes, JNI, deployment and row sink inside." }, "records": [ { "cohort": "previous", "case": "join", "expression": "ARRAY_JOIN(arr,'|','?')", "map_source": false, "type": "STRING", "width": 8, "stock_trials": [ 3.236668908, 3.086390446, 3.097619048, 3.038532025, 3.101393091 ], "native_trials": [ 2.843202994, 2.700162589, 2.597529509, 2.603386335, 2.630671315 ], "route_evidence": [ "[collection-engine] [NativeCalc functions: native=[ARRAY_JOIN], jvm=[]]", "[collection-route] [{jobId=05d6e0632157f6e93a6d600725d5a880, attempt=0, subtask=0, recordsOut=2000000, operator=NativeCalc(select=[ARRAY_JOIN(arr, '|', '?') 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AS v, true AS anchor], nativeFuncti, recordsIn=2000000}]" ], "all_trials": [ "[collection-trial] engine=flink trial=0 warmup=true rows=2000000 seconds=4.032954597", "[collection-trial] engine=native trial=0 warmup=true rows=2000000 seconds=3.205908710", "[collection-trial] engine=native trial=1 warmup=true rows=2000000 seconds=2.825960608", "[collection-trial] engine=flink trial=1 warmup=true rows=2000000 seconds=3.217342365", "[collection-trial] engine=flink trial=2 warmup=false rows=2000000 seconds=3.236668908", "[collection-trial] engine=native trial=2 warmup=false rows=2000000 seconds=2.843202994", "[collection-trial] engine=native trial=3 warmup=false rows=2000000 seconds=2.700162589", "[collection-trial] engine=flink trial=3 warmup=false rows=2000000 seconds=3.086390446", "[collection-trial] engine=flink trial=4 warmup=false rows=2000000 seconds=3.097619048", "[collection-trial] engine=native trial=4 warmup=false rows=2000000 seconds=2.597529509", "[collection-trial] engine=native trial=5 warmup=false rows=2000000 seconds=2.603386335", "[collection-trial] engine=flink trial=5 warmup=false rows=2000000 seconds=3.038532025", "[collection-trial] engine=flink trial=6 warmup=false rows=2000000 seconds=3.101393091", "[collection-trial] engine=native trial=6 warmup=false rows=2000000 seconds=2.630671315" ] }, { "cohort": "previous", "case": "typeof", "expression": "TYPEOF(idx)", "map_source": false, "type": "BIGINT", "width": 8, "stock_trials": [ 0.764940415, 0.71344335, 0.770878924, 0.720704938, 0.776193303 ], "native_trials": [ 0.907187463, 0.683669924, 0.599924541, 0.598742114, 0.622637768 ], "route_evidence": [ "[collection-engine] [NativeCalc functions: native=[TYPEOF], jvm=[]]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=8627c6f4a897f710e1a6f35bb97a05b4}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=0e992817d15e02d4f69dacb108f67bba}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=9278d4af1312fde69940f511c9d2c92e}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=e7b995d50fb9ea210746ce08093f12d6}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=6326d5bf8a31fe00bbfbc6fe90817c3c}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=58bdacdd89b500beb8efc2aad99d2dbc}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=6aa55fc3e756f2035d2932b29614970e}]" ], "all_trials": [ "[collection-trial] engine=flink trial=0 warmup=true rows=2000000 seconds=1.662596048", "[collection-trial] engine=native trial=0 warmup=true rows=2000000 seconds=1.047033177", "[collection-trial] engine=native trial=1 warmup=true rows=2000000 seconds=0.844523318", "[collection-trial] engine=flink trial=1 warmup=true rows=2000000 seconds=0.774658849", "[collection-trial] engine=flink trial=2 warmup=false rows=2000000 seconds=0.764940415", "[collection-trial] engine=native trial=2 warmup=false rows=2000000 seconds=0.907187463", "[collection-trial] engine=native trial=3 warmup=false rows=2000000 seconds=0.683669924", "[collection-trial] engine=flink trial=3 warmup=false rows=2000000 seconds=0.713443350", "[collection-trial] engine=flink trial=4 warmup=false rows=2000000 seconds=0.770878924", "[collection-trial] engine=native trial=4 warmup=false rows=2000000 seconds=0.599924541", "[collection-trial] engine=native trial=5 warmup=false rows=2000000 seconds=0.598742114", "[collection-trial] engine=flink trial=5 warmup=false rows=2000000 seconds=0.720704938", "[collection-trial] engine=flink trial=6 warmup=false rows=2000000 seconds=0.776193303", "[collection-trial] engine=native trial=6 warmup=false rows=2000000 seconds=0.622637768" ] }, { "cohort": "candidate", "case": "join", "expression": "ARRAY_JOIN(arr,'|','?')", "map_source": false, "type": "STRING", "width": 8, "stock_trials": [ 2.925712637, 2.866715251, 2.811539555, 2.811081732, 2.796594242 ], "native_trials": [ 2.732077122, 2.609818887, 2.576556839, 2.55734851, 2.574630265 ], "route_evidence": [ "[collection-engine] [NativeCalc functions: native=[ARRAY_JOIN], jvm=[]]", "[collection-route] [{operator=NativeCalc(select=[ARRAY_JOIN(arr, '|', '?') 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AS v, true AS anchor], nativeFuncti, recordsIn=2000000, jobId=c07c859028fff7686b78d70558830917, attempt=0, subtask=0, recordsOut=2000000}]", "[collection-route] [{operator=NativeCalc(select=[ARRAY_JOIN(arr, '|', '?') AS v, true AS anchor], nativeFuncti, recordsIn=2000000, jobId=73a570747416229a64ed44abc7157921, attempt=0, subtask=0, recordsOut=2000000}]", "[collection-route] [{operator=NativeCalc(select=[ARRAY_JOIN(arr, '|', '?') AS v, true AS anchor], nativeFuncti, recordsIn=2000000, jobId=2abafbf67dc14be139dec90167beca53, attempt=0, subtask=0, recordsOut=2000000}]" ], "all_trials": [ "[collection-trial] engine=flink trial=0 warmup=true rows=2000000 seconds=4.039076799", "[collection-trial] engine=native trial=0 warmup=true rows=2000000 seconds=3.185388190", "[collection-trial] engine=native trial=1 warmup=true rows=2000000 seconds=2.769289878", "[collection-trial] engine=flink trial=1 warmup=true rows=2000000 seconds=2.923023277", "[collection-trial] engine=flink trial=2 warmup=false rows=2000000 seconds=2.925712637", "[collection-trial] engine=native trial=2 warmup=false rows=2000000 seconds=2.732077122", "[collection-trial] engine=native trial=3 warmup=false rows=2000000 seconds=2.609818887", "[collection-trial] engine=flink trial=3 warmup=false rows=2000000 seconds=2.866715251", "[collection-trial] engine=flink trial=4 warmup=false rows=2000000 seconds=2.811539555", "[collection-trial] engine=native trial=4 warmup=false rows=2000000 seconds=2.576556839", "[collection-trial] engine=native trial=5 warmup=false rows=2000000 seconds=2.557348510", "[collection-trial] engine=flink trial=5 warmup=false rows=2000000 seconds=2.811081732", "[collection-trial] engine=flink trial=6 warmup=false rows=2000000 seconds=2.796594242", "[collection-trial] engine=native trial=6 warmup=false rows=2000000 seconds=2.574630265" ] }, { "cohort": "candidate", "case": "typeof", "expression": "TYPEOF(idx)", "map_source": false, "type": "BIGINT", "width": 8, "stock_trials": [ 0.811825605, 0.72382513, 0.772633434, 0.752725242, 0.719229553 ], "native_trials": [ 0.879811761, 0.826955099, 0.617270447, 0.581274083, 0.57463974 ], "route_evidence": [ "[collection-engine] [NativeCalc functions: native=[TYPEOF], jvm=[]]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=e37735dc4c3c32f16c560832981f91e0}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=cd450fa9b4ceb62816bbd864eeda7864}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=9de6620ccc380b877113b43eaa087774}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=b3fb5b2c4d25247d573d6b0e6d71fe34}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=1792a54df13f5931fe498a467c5a4302}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=a8e6b9a343846b07642eda8ddfd93dbc}]", "[collection-route] [{recordsIn=2000000, operator=NativeCalc(select=[TYPEOF(idx) AS v, true AS anchor], nativeFunctions=[TYPEOF], , recordsOut=2000000, subtask=0, attempt=0, jobId=e7fa8bb799201ae7c0b7964d0e7ea5e1}]" ], "all_trials": [ "[collection-trial] engine=flink trial=0 warmup=true rows=2000000 seconds=1.587489920", "[collection-trial] engine=native trial=0 warmup=true rows=2000000 seconds=1.042299315", "[collection-trial] engine=native trial=1 warmup=true rows=2000000 seconds=0.801749185", "[collection-trial] engine=flink trial=1 warmup=true rows=2000000 seconds=0.851392616", "[collection-trial] engine=flink trial=2 warmup=false rows=2000000 seconds=0.811825605", "[collection-trial] engine=native trial=2 warmup=false rows=2000000 seconds=0.879811761", "[collection-trial] engine=native trial=3 warmup=false rows=2000000 seconds=0.826955099", "[collection-trial] engine=flink trial=3 warmup=false rows=2000000 seconds=0.723825130", "[collection-trial] engine=flink trial=4 warmup=false rows=2000000 seconds=0.772633434", "[collection-trial] engine=native trial=4 warmup=false rows=2000000 seconds=0.617270447", "[collection-trial] engine=native trial=5 warmup=false rows=2000000 seconds=0.581274083", "[collection-trial] engine=flink trial=5 warmup=false rows=2000000 seconds=0.752725242", "[collection-trial] engine=flink trial=6 warmup=false rows=2000000 seconds=0.719229553", "[collection-trial] engine=native trial=6 warmup=false rows=2000000 seconds=0.574639740" ] } ] }