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0.174289927, 0.172493241, 0.186035015 ], "median_seconds": 0.185491774, "minimum_seconds": 0.172493241, "maximum_seconds": 0.188979797 }, "trials": [ { "engine": "stock", "trial": 0, "warmup": true, "rows": 262144, "seconds": 0.098458 }, { "engine": "native_previous", "trial": 0, "warmup": true, "rows": 262144, "seconds": 0.307634 }, { "engine": "native_previous", "trial": 1, "warmup": true, "rows": 262144, "seconds": 0.195992 }, { "engine": "stock", "trial": 1, "warmup": true, "rows": 262144, "seconds": 0.112286 }, { "engine": "stock", "trial": 2, "warmup": false, "rows": 262144, "seconds": 0.120224 }, { "engine": "native_previous", "trial": 2, "warmup": false, "rows": 262144, "seconds": 0.185492 }, { "engine": "native_previous", "trial": 3, "warmup": false, "rows": 262144, "seconds": 0.18898 }, { "engine": "stock", "trial": 3, "warmup": false, "rows": 262144, "seconds": 0.116203 }, { "engine": "stock", "trial": 4, "warmup": false, "rows": 262144, "seconds": 0.118789 }, { "engine": "native_previous", "trial": 4, "warmup": false, "rows": 262144, "seconds": 0.17429 }, { "engine": "native_previous", "trial": 5, "warmup": false, "rows": 262144, "seconds": 0.172493 }, { "engine": "stock", "trial": 5, "warmup": false, "rows": 262144, "seconds": 0.124443 }, { "engine": "stock", "trial": 6, "warmup": false, "rows": 262144, "seconds": 0.120049 }, { "engine": "native_previous", "trial": 6, "warmup": false, "rows": 262144, "seconds": 0.186035 } ] } ] } ], "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." ], "optimization": { "profile": { "pass_number": 1, "rows": 1048576, "case": "DATE/int Row result with scalar List STRING", "warmup_pairs": 1, "observed_pairs": 1, "wall_seconds": 37.285261154174805, "diagnostic_timings_excluded_from_cost_matrix": true, "all_execution_native_samples": 2767, "table_operator_stack_samples": 34, "leaf": [ [ "tech.streamfusion.FlinkDateIntResultTableFunctionSqlHarnessTest$DateRows.eval", 9 ], [ "TableFunctionProjection$0.apply", 7 ], [ "tech.streamfusion.arrow.writers.DateWriter$DateWriterForRow.isNullAt", 4 ], [ "ColumnarJvmTableFunction$12.processElement", 3 ], [ "java.util.Arrays$ArrayList.toArray", 2 ], [ "org.apache.flink.table.data.conversion.ArrayObjectArrayConverter.toExternal", 2 ], [ "tech.streamfusion.arrow.writers.ArrowFieldWriter.write", 2 ], [ "org.apache.flink.table.data.columnar.vector.VectorizedColumnBatch.getArray", 1 ], [ "org.apache.arrow.vector.types.pojo.Field.createVector", 1 ], [ "tech.streamfusion.operator.ArrowBatch.", 1 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.processElement", 1 ], [ "tech.streamfusion.arrow.ArrowWriter.write", 1 ] ], "inclusive": [ [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.processElement", 18 ], [ "ColumnarJvmTableFunction$12.processElement", 17 ], [ "org.apache.flink.streaming.runtime.io.RecordProcessorUtils$$Lambda$3148+0x0000775900daa380.1702458906.accept", 16 ], [ "org.apache.flink.streaming.runtime.tasks.ChainingOutput.pushToOperator", 13 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator$1.collect", 10 ], [ "tech.streamfusion.FlinkDateIntResultTableFunctionSqlHarnessTest$DateRows.eval", 9 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.append", 9 ], [ "org.apache.flink.table.runtime.util.StreamRecordCollector.collect", 8 ], [ "tech.streamfusion.arrow.ArrowWriter.write", 7 ], [ "TableFunctionProjection$0.apply", 7 ], [ "tech.streamfusion.arrow.writers.ArrowFieldWriter.write", 6 ], [ "org.apache.flink.table.runtime.collector.TableFunctionCollector.outputResult", 6 ], [ "org.apache.flink.table.data.conversion.ArrayListConverter.toExternal", 4 ], [ "tech.streamfusion.arrow.writers.DateWriter.doWrite", 4 ], [ "tech.streamfusion.arrow.writers.DateWriter$DateWriterForRow.isNullAt", 4 ], [ "org.apache.flink.streaming.runtime.tasks.ChainingOutput.collect", 4 ], [ "java.util.Arrays$ArrayList.toArray", 2 ], [ "java.util.ArrayList.", 2 ], [ "org.apache.flink.table.data.conversion.ArrayObjectArrayConverter.toExternal", 2 ], [ "org.apache.flink.table.data.columnar.vector.VectorizedColumnBatch.getArray", 1 ], [ "org.apache.flink.table.data.columnar.ColumnarRowData.getArray", 1 ], [ "org.apache.arrow.vector.VectorSchemaRoot.create", 1 ], [ "org.apache.arrow.vector.types.pojo.Field.createVector", 1 ], [ "tech.streamfusion.operator.ArrowBatch.", 1 ], [ "tech.streamfusion.operator.NativeColumnarTableFunctionOperator.flush", 1 ], [ "tech.streamfusion.arrow.writers.ArrayWriter.doWrite", 1 ] ], "global_leaf": [ [ "sun.nio.ch.Net.accept", 643 ], [ "sun.nio.ch.EPoll.wait", 626 ], [ "java.io.FileInputStream.readBytes", 404 ], [ "org.apache.flink.table.data.binary.StringUtf8Utils.encodeUTF8", 293 ], [ "org.apache.flink.table.data.binary.StringUtf8Utils.decodeUTF8Strict", 269 ], [ "jdk.internal.misc.Unsafe.checkOffset", 105 ], [ "org.apache.flink.table.data.binary.BinarySection.pointTo", 31 ], [ "java.lang.ThreadLocal$ThreadLocalMap.set", 24 ], [ "org.apache.flink.table.data.conversion.RowRowConverter.toInternal", 23 ], [ "tech.streamfusion.FlinkDateIntResultTableFunctionSqlHarnessTest$DateRows.eval", 19 ], [ "java.util.Arrays.copyOf", 15 ], [ "java.lang.ThreadLocal$ThreadLocalMap.getEntryAfterMiss", 15 ], [ "org.apache.flink.streaming.runtime.io.RecordProcessorUtils$$Lambda$3148+0x0000775900daa380.1702458906.accept", 14 ], [ "java.lang.ThreadLocal.setInitialValue", 13 ], [ "org.apache.flink.table.runtime.typeutils.ArrayDataSerializer.toBinaryArray", 13 ] ] }, "measured_optimization_attempts": 0, "retained_optimization_changes": 0, "decision": "One bounded profile; no easy result-specific improvement, shared eager result projection retained without revisiting the previously rejected lazy projection." } }