[SYSTEMDS-3948] Row-wise Sparsity Estimator by ywcb00 · Pull Request #2466 · apache/systemds

feat(EstimatorRowWise.java): implement the first version of the row wise sparsity estimator

ywcb00

committed

feat(test/estim): add some tests for the row wise sparsity estimator to the unity tests for sparsity estimation

ywcb00

committed

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

ywcb00

committed

fix(hops/estim/EstimatorRowWise.java): fix derivation of output data characteristics

ywcb00

committed

feat(test/component/estim): add unit tests for row wise sparsity estimator with element-wise and single operations

ywcb00

committed

feat(main/hops/estim/EstimatorRowWise.java): add support for element-wise and single operations

ywcb00

committed

feat(main/hops/estim/EstimatorRowWise.java): support sparsity estimation for diagonal operation

ywcb00

committed

feat(test/component/estim/OpSingleTest.java): add test cases for eqzero and diag (mv and vm) operations with the row-wise sparsity estimator

ywcb00

committed

refactor(main/hops/estim/EstimatorRowWise.java): refactor switch case to consolidate all calls to getters before the switch

ywcb00

committed

refactor(main/hops/estim/EstimatorRowWise.java): remove wrapper class for row-wise sparsity vector and apply the corresponding operations directly in the code instead

ywcb00

committed

chore(main/hops/estim/EstimatorRowWise.java): remove unused imports

ywcb00

committed

refactor(test/component/estim/**): consolidate duplicate code in sparsity estimation tests

ywcb00

committed

feat(test/component/estim/**): introduce parametrized test cases

ywcb00

committed

fix(test/component/estim/SelfProductTest.java): skip selected test cases or increase assign specific tolerance

ywcb00

committed

refactor(main/hops/estim/EstimatorRowWise.java): rewrite java stream expressions to for loops

ywcb00

committed

chore(main/hops/estim/EstimatorRowWise.java): remove the explicit casts to double type for constant values

ywcb00

committed

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[SYSTEMDS-3948] Row-wise Sparsity Estimator#2466

[SYSTEMDS-3948] Row-wise Sparsity Estimator#2466
ywcb00 wants to merge 16 commits into
apache:mainfrom
ywcb00:feat/sparsity/estim/rs

Commits on May 20, 2026

feat(EstimatorRowWise.java): implement the first version of the row wise sparsity estimator

feat(test/estim): add some tests for the row wise sparsity estimator to the unity tests for sparsity estimation

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

fix(hops/estim/EstimatorRowWise.java): fix derivation of output data characteristics

feat(test/component/estim): add unit tests for row wise sparsity estimator with element-wise and single operations

feat(main/hops/estim/EstimatorRowWise.java): add support for element-wise and single operations

feat(main/hops/estim/EstimatorRowWise.java): support sparsity estimation for diagonal operation

feat(test/component/estim/OpSingleTest.java): add test cases for eqzero and diag (mv and vm) operations with the row-wise sparsity estimator

refactor(main/hops/estim/EstimatorRowWise.java): refactor switch case to consolidate all calls to getters before the switch

refactor(main/hops/estim/EstimatorRowWise.java): remove wrapper class for row-wise sparsity vector and apply the corresponding operations directly in the code instead

chore(main/hops/estim/EstimatorRowWise.java): remove unused imports

refactor(test/component/estim/**): consolidate duplicate code in sparsity estimation tests

feat(test/component/estim/**): introduce parametrized test cases

fix(test/component/estim/SelfProductTest.java): skip selected test cases or increase assign specific tolerance

refactor(main/hops/estim/EstimatorRowWise.java): rewrite java stream expressions to for loops

chore(main/hops/estim/EstimatorRowWise.java): remove the explicit casts to double type for constant values