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apache
systemds
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[SYSTEMDS-3948] Row-wise Sparsity Estimator
- #2466
#2466
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ywcb00
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[SYSTEMDS-3948] Row-wise Sparsity Estimator
#2466
ywcb00
wants to merge 16 commits into
apache:main
apache/systemds:main
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ywcb00:feat/sparsity/estim/rs
ywcb00/systemds:feat/sparsity/estim/rs
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Commits on May 20, 2026
feat(EstimatorRowWise.java): implement the first version of the row wise sparsity estimator
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feat(test/estim): add some tests for the row wise sparsity estimator to the unity tests for sparsity estimation
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feat(hops/estim/EstimatorRowWise.java): introduce a separate object container for row wise sparsity vectors to simplify access and allow storing it with chain nodes
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fix(hops/estim/EstimatorRowWise.java): fix derivation of output data characteristics
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feat(test/component/estim): add unit tests for row wise sparsity estimator with element-wise and single operations
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feat(main/hops/estim/EstimatorRowWise.java): add support for element-wise and single operations
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feat(main/hops/estim/EstimatorRowWise.java): support sparsity estimation for diagonal operation
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feat(test/component/estim/OpSingleTest.java): add test cases for eqzero and diag (mv and vm) operations with the row-wise sparsity estimator
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refactor(main/hops/estim/EstimatorRowWise.java): refactor switch case to consolidate all calls to getters before the switch
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refactor(main/hops/estim/EstimatorRowWise.java): remove wrapper class for row-wise sparsity vector and apply the corresponding operations directly in the code instead
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chore(main/hops/estim/EstimatorRowWise.java): remove unused imports
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refactor(test/component/estim/**): consolidate duplicate code in sparsity estimation tests
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feat(test/component/estim/**): introduce parametrized test cases
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fix(test/component/estim/SelfProductTest.java): skip selected test cases or increase assign specific tolerance
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refactor(main/hops/estim/EstimatorRowWise.java): rewrite java stream expressions to for loops
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chore(main/hops/estim/EstimatorRowWise.java): remove the explicit casts to double type for constant values
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