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[SYSTEMDS-3524] Add multi-threaded unique in LibMatrixSketch #2542

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[SYSTEMDS-3524] Add multi-threaded unique in LibMatrixSketch #2542

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968e63f
Add multi-threaded unique in LibMatrixSketch
shieru1214 Jun 8, 2026
101074e
Refine multi-threaded unique memory handling
shieru1214 Jun 8, 2026
70954fc
Account for object overhead in parallel unique memory guard
shieru1214 Jun 29, 2026
59da7b7
Add batched parallel unique handling
shieru1214 Jul 11, 2026
4a89ac7
Align unique parallel path with SystemDS semantics
shieru1214 Jul 12, 2026
aaba9e7
[SYSTEMDS-3524] Address review: activate parallel unique and fix batc…
Isso-W Jul 25, 2026
36f48c9
[SYSTEMDS-3524] Use InfrastructureAnalyzer for the local memory budget
Isso-W Jul 25, 2026
e486e3b
[SYSTEMDS-3524] Add unique() runtime benchmark
Isso-W Jul 26, 2026
e14518a
[SYSTEMDS-3524] Make the unique tests script-based
Isso-W Jul 27, 2026
41d1d35
[SYSTEMDS-3524] Add sparse cases to the unique tests
Isso-W Jul 28, 2026
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2 changes: 1 addition & 1 deletion src/main/java/org/apache/sysds/runtime/instructions/cp/AggregateUnaryCPInstruction.java
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Original file line number Diff line number Diff line change
Expand Up @@ -232,7 +232,7 @@ else if( input1.getDataType().isMatrix() || input1.getDataType().isFrame() ) {
}
UnarySketchOperator op = (UnarySketchOperator) _optr;

MatrixBlock res = LibMatrixSketch.getUniqueValues(input, op.getDirection());
MatrixBlock res = LibMatrixSketch.getUniqueValues(input, op.getDirection(), op.getNumThreads());
ec.releaseMatrixInput(input1.getName());
ec.setMatrixOutput(outputName, res);
break;
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