{ "date": "2026-10-24", "purpose": "Correctness-enabling direct non-null DATE/int JVM table-function arguments alongside containers; no acceleration claim.", "provenance": { "base_revision": "6f5dae00f253106c059449558fb13b2d427d10fa", "candidate_source_sha256": { "src/main/java/tech/streamfusion/planner/TableFunctionMatcher.java": "e6474f4d1458080b644bfcc3e9c6f28f458dd9b086ec78da436bdb8d3ccfaf66", "src/test/java/tech/streamfusion/FlinkMixedPrimitiveTableFunctionSqlHarnessTest.java": "6d4d00f6317c3f0d2588712ae57485e756736b8f24328f8c1c1a8b6d4e3ecdec", "src/test/java/tech/streamfusion/FlinkDateIntArgumentTableFunctionSqlHarnessTest.java": "caf8cd8f2af233930a24ccb0fb62d6bb3be8083d0633d3be3c11c9397361b2dc", "src/test/java/tech/streamfusion/DateIntArgumentTableFunctionBenchmark.java": "8d19c74b9d577bf1fbb1cd3b20e6fb192a1281eda380c8ab5924a1f4aa32f0a9", "src/test/java/tech/streamfusion/UdfTypeBoundaryBenchmark.java": "6972eb7e58ceb67914d6e725b60d4e2f04287c3b62f58f6bd4e49b064d3ba8aa" }, "native_payload_sha256": "b574491f08427c8b128107d6286cb403421a0bafbdba7a0e5cdd8fea30562d16", "native_source_revision": "1bd9daa8d75586424f3a5d9ad7acc14d600baffb", "native_operational_sources_unchanged": true, "fixture_identity_verified": true, "previous_production_source_unchanged": true, "final_source_sha256": { "src/main/java/tech/streamfusion/planner/TableFunctionMatcher.java": "9a919c906fc425b1ef1e9cc437ac7fca9db9471b6198a0bba81190d740f72316", "src/test/java/tech/streamfusion/FlinkMixedPrimitiveTableFunctionSqlHarnessTest.java": "6d4d00f6317c3f0d2588712ae57485e756736b8f24328f8c1c1a8b6d4e3ecdec", "src/test/java/tech/streamfusion/FlinkDateIntArgumentTableFunctionSqlHarnessTest.java": "caf8cd8f2af233930a24ccb0fb62d6bb3be8083d0633d3be3c11c9397361b2dc", "src/test/java/tech/streamfusion/DateIntArgumentTableFunctionBenchmark.java": "8d19c74b9d577bf1fbb1cd3b20e6fb192a1281eda380c8ab5924a1f4aa32f0a9", "src/test/java/tech/streamfusion/UdfTypeBoundaryBenchmark.java": "6972eb7e58ceb67914d6e725b60d4e2f04287c3b62f58f6bd4e49b064d3ba8aa" }, "post_measurement_changes": "Only leading indentation in the planner diagnostic string was normalized by a second formatter pass. Line count and each line after leading whitespace are identical to the measured candidate; all other hashed Java sources are unchanged." }, "configuration": { "rows": 262144, "parallelism": 1, "heap": "2g", "transpose_batch_rows": 1024, "warmup_pairs": 2, "measured_alternating_pairs": 5, "source": "Runtime Flink rows with non-null DATE values spanning SQL years 0001-9999 and nullable/empty ARRAY, List or MAP values", "sink": "Flink blackhole row sink", "both_perimeter_transposes": true, "local_zero_copy_exchange": false, "cluster_per_job": true, "symmetric_untimed_explain": true, "timed_boundary": "executeSql(insert).await(), including planning/submission, callbacks, container conversions, production transport and both transposes; environment setup and EXPLAIN outside timing.", "native_profile": "release, full RocksDB, mimalloc", "java": "openjdk version \"17.0.20.1\" 2026-08-18\nOpenJDK Runtime Environment (build 17.0.20.1+1-1-22.04-Ubuntu)\nOpenJDK 64-Bit Server VM (build 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"rows": 262144, "stock": { "samples_seconds": [ 0.226457681, 0.229968627, 0.225346371, 0.223449703, 0.216409282 ], "median_seconds": 0.225346371, "minimum_seconds": 0.216409282, "maximum_seconds": 0.229968627 }, "native_enabled": { "samples_seconds": [ 0.226024252, 0.226091172, 0.232876148, 0.223479383, 0.220584463 ], "median_seconds": 0.226024252, "minimum_seconds": 0.220584463, "maximum_seconds": 0.232876148 }, "trials": [ { "engine": "stock", "trial": 0, "warmup": true, "rows": 262144, "seconds": 0.254231 }, { "engine": "native_previous", "trial": 0, "warmup": true, "rows": 262144, "seconds": 0.221408 }, { "engine": "native_previous", "trial": 1, "warmup": true, "rows": 262144, "seconds": 0.218541 }, { "engine": "stock", "trial": 1, "warmup": true, "rows": 262144, "seconds": 0.224314 }, { "engine": "stock", "trial": 2, "warmup": false, "rows": 262144, "seconds": 0.226458 }, { "engine": "native_previous", "trial": 2, "warmup": false, "rows": 262144, "seconds": 0.226024 }, { "engine": "native_previous", "trial": 3, "warmup": false, "rows": 262144, "seconds": 0.226091 }, { "engine": "stock", "trial": 3, "warmup": false, "rows": 262144, "seconds": 0.229969 }, { "engine": "stock", "trial": 4, "warmup": false, "rows": 262144, "seconds": 0.225346 }, { "engine": "native_previous", "trial": 4, "warmup": false, "rows": 262144, "seconds": 0.232876 }, { "engine": "native_previous", "trial": 5, "warmup": false, "rows": 262144, "seconds": 0.223479 }, { "engine": "stock", "trial": 5, "warmup": false, "rows": 262144, "seconds": 0.22345 }, { "engine": "stock", "trial": 6, "warmup": false, "rows": 262144, "seconds": 0.216409 }, { "engine": "native_previous", "trial": 6, "warmup": false, "rows": 262144, "seconds": 0.220584 } ] }, { "case": "JVM_DATE_INT_ARGUMENT_CONTROL_array", "expected_route": "native_table_function", "rows": 262144, "stock": { "samples_seconds": [ 0.113141289, 0.129593759, 0.124601513, 0.128436781, 0.123256106 ], "median_seconds": 0.124601513, "minimum_seconds": 0.113141289, "maximum_seconds": 0.129593759 }, "native_enabled": { "samples_seconds": [ 0.200597172, 0.185769448, 0.185395162, 0.175164232, 0.188446597 ], "median_seconds": 0.185769448, "minimum_seconds": 0.175164232, "maximum_seconds": 0.200597172 }, "trials": [ { "engine": "stock", "trial": 0, "warmup": true, "rows": 262144, "seconds": 0.115108 }, { "engine": "native_previous", "trial": 0, "warmup": true, "rows": 262144, "seconds": 0.300212 }, { "engine": "native_previous", "trial": 1, "warmup": true, "rows": 262144, "seconds": 0.201959 }, { "engine": "stock", "trial": 1, "warmup": true, "rows": 262144, "seconds": 0.124346 }, { "engine": "stock", "trial": 2, "warmup": false, "rows": 262144, "seconds": 0.113141 }, { "engine": "native_previous", "trial": 2, "warmup": false, "rows": 262144, "seconds": 0.200597 }, { "engine": "native_previous", "trial": 3, "warmup": false, "rows": 262144, "seconds": 0.185769 }, { "engine": "stock", "trial": 3, "warmup": false, "rows": 262144, "seconds": 0.129594 }, { "engine": "stock", "trial": 4, "warmup": false, "rows": 262144, "seconds": 0.124602 }, { "engine": "native_previous", "trial": 4, "warmup": false, "rows": 262144, "seconds": 0.185395 }, { "engine": "native_previous", "trial": 5, "warmup": false, "rows": 262144, "seconds": 0.175164 }, { "engine": "stock", "trial": 5, "warmup": false, "rows": 262144, "seconds": 0.128437 }, { "engine": "stock", "trial": 6, "warmup": false, "rows": 262144, "seconds": 0.123256 }, { "engine": "native_previous", "trial": 6, "warmup": false, "rows": 262144, "seconds": 0.188447 } ] } ] } ], "limits": [ "Short complete-job measurements include startup and JIT variability; they do not establish sustained throughput.", "Prior production runs in a separate JVM with its own stock controls; ranges and all trials remain visible.", "No builds or tests from this goal overlap timings. Other local Java/build activity, available memory, swap, load and CPU pressure were sampled once per second; this is not an exclusive CPU reservation.", "Slower verified UDF coverage follows the accepted maintainer performance exception." ], "bounded_profiling": { "pass_number": 1, "rows": 1048576, "case": "DATE/int with scalar List", "warmup_pairs": 1, "observed_pairs": 1, "wall_seconds": 36.45736908912659, "diagnostic_timings_excluded_from_cost_matrix": true, "all_execution_native_samples": 2715, "table_operator_stack_samples": 37, "leaf": [ [ "tech.streamfusion.FlinkDateIntArgumentTableFunctionSqlHarnessTest$BaseRows.emit", 19 ], [ "java.util.Arrays$ArrayList.toArray", 4 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.processElement", 3 ], [ "tech.streamfusion.arrow.writers.ArrowFieldWriter.write", 2 ], [ "ColumnarJvmTableFunction$12.processElement", 2 ], [ "tech.streamfusion.operator.TaskOffHeapMemory.registerMetrics", 1 ], [ "org.apache.arrow.vector.complex.ListVector.reallocValidityAndOffsetBuffers", 1 ], [ "org.apache.flink.table.data.utils.JoinedRowData.isNullAt", 1 ], [ "TableFunctionProjection$0.apply", 1 ], [ "tech.streamfusion.arrow.writers.ArrayWriter$ArrayWriterForRow.isNullAt", 1 ], [ "tech.streamfusion.arrow.StringCacheColumns.readers", 1 ], [ "org.apache.flink.table.functions.TableFunction.collect", 1 ] ], "inclusive": [ [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.processElement", 30 ], [ "ColumnarJvmTableFunction$12.processElement", 26 ], [ "org.apache.flink.streaming.runtime.io.RecordProcessorUtils$$Lambda$3154+0x000070c370da8a08.1294046177.accept", 24 ], [ "tech.streamfusion.FlinkDateIntArgumentTableFunctionSqlHarnessTest$IntDateRows.eval", 20 ], [ "tech.streamfusion.FlinkDateIntArgumentTableFunctionSqlHarnessTest$BaseRows.emit", 20 ], [ "org.apache.flink.streaming.runtime.tasks.ChainingOutput.pushToOperator", 5 ], [ "org.apache.flink.streaming.runtime.tasks.ChainingOutput.collect", 5 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator$1.collect", 4 ], [ "java.util.ArrayList.", 4 ], [ "java.util.Arrays$ArrayList.toArray", 4 ], [ "org.apache.flink.table.data.conversion.ArrayListConverter.toExternal", 4 ], [ "tech.streamfusion.arrow.ArrowWriter.write", 3 ], [ "tech.streamfusion.arrow.writers.ArrowFieldWriter.write", 3 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.append", 3 ], [ "TableFunctionProjection$0.apply", 2 ], [ "tech.streamfusion.operator.TaskOffHeapMemory.registerMetrics", 1 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.open", 1 ], [ "tech.streamfusion.operator.NativeAllocator.initializeFor", 1 ], [ "org.apache.flink.streaming.runtime.tasks.StreamTask.restoreStateAndGates", 1 ], [ "org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.initializeStateAndOpenOperators", 1 ], [ "org.apache.arrow.vector.complex.ListVector.setValueCount", 1 ], [ "org.apache.arrow.vector.VectorSchemaRoot.setRowCount", 1 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.flush", 1 ], [ "org.apache.arrow.vector.complex.ListVector.reallocValidityAndOffsetBuffers", 1 ], [ "tech.streamfusion.arrow.ArrowWriter.finish", 1 ], [ "org.apache.flink.table.data.utils.JoinedRowData.isNullAt", 1 ], [ "org.apache.flink.table.runtime.util.StreamRecordCollector.collect", 1 ], [ "org.apache.flink.table.runtime.collector.TableFunctionCollector.outputResult", 1 ], [ "tech.streamfusion.arrow.writers.ArrayWriter.doWrite", 1 ], [ "tech.streamfusion.arrow.writers.ArrayWriter$ArrayWriterForRow.isNullAt", 1 ] ], "global_leaf": [ [ "sun.nio.ch.Net.accept", 634 ], [ "sun.nio.ch.EPoll.wait", 623 ], [ "java.io.FileInputStream.readBytes", 383 ], [ "org.apache.flink.table.data.binary.StringUtf8Utils.encodeUTF8", 272 ], [ "org.apache.flink.table.data.binary.StringUtf8Utils.decodeUTF8Strict", 257 ], [ "jdk.internal.misc.Unsafe.checkOffset", 132 ], [ "org.apache.flink.table.data.binary.BinarySection.pointTo", 39 ], [ "tech.streamfusion.FlinkDateIntArgumentTableFunctionSqlHarnessTest$BaseRows.emit", 27 ], [ "org.apache.flink.table.runtime.typeutils.ArrayDataSerializer.toBinaryArray", 21 ], [ "org.apache.flink.table.data.conversion.RowRowConverter.toInternal", 17 ], [ "org.apache.arrow.vector.complex.ListVector.setNull", 17 ], [ "java.lang.ThreadLocal$ThreadLocalMap.set", 16 ], [ "java.util.Arrays.copyOf", 14 ], [ "org.apache.arrow.vector.VarCharVector.get", 14 ], [ "org.apache.flink.table.data.binary.BinaryStringData.ensureMaterialized", 13 ] ], "decision": "Stop after one 36-second profile pass. Sparse samples land in the user callback, released List conversion and owned Arrow writes; no isolated DATE-argument hotspot or easy safe runtime improvement. No optimization prototype attempted; no fixture change.", "optimization_attempts": 0 } }