Operator Registry

The complete operator registry is maintained at FlagSparse conf/operators.yaml.

gather

Gathers values from a dense tensor by index using the FlagSparse gather path.

Field	Value
id	gather
kind	Sparse
stages	beta: 1.0
labels	flagsparse, sparse, triton, public-api
for	flagsparse_gather

scatter

Scatters values into a dense tensor by index using the FlagSparse scatter path.

Field	Value
id	scatter
kind	Sparse
stages	beta: 1.0
labels	flagsparse, sparse, triton, public-api
for	flagsparse_scatter

spmv_csr

Computes sparse matrix-vector multiplication for a CSR matrix.

Field	Value
id	spmv_csr
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, public-api
for	flagsparse_spmv_csr, prepare_spmv_csr

spmv_coo

Computes sparse matrix-vector multiplication for a COO matrix.

Field	Value
id	spmv_coo
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, coo, triton, public-api
for	flagsparse_spmv_coo, prepare_spmv_coo

spmv_coo_tocsr

Computes COO SpMV through a COO-to-CSR preparation path.

Field	Value
id	spmv_coo_tocsr
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, coo, csr, triton, public-api
for	flagsparse_spmv_coo_tocsr, prepare_spmv_coo_tocsr

spmm_csr

Computes sparse matrix-dense matrix multiplication for a CSR matrix.

Field	Value
id	spmm_csr
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, public-api
for	flagsparse_spmm_csr, flagsparse_spmm_csr_run, prepare_spmm_csr_route

spmm_coo

Computes sparse matrix-dense matrix multiplication for a COO matrix.

Field	Value
id	spmm_coo
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, coo, triton, public-api
for	flagsparse_spmm_coo

spmm_csr_opt

Computes optimized CSR sparse matrix-dense matrix multiplication.

Field	Value
id	spmm_csr_opt
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, optimized, public-api
for	flagsparse_spmm_csr_opt, prepare_spmm_csr_opt

spmm_csr_opt_alg1

Computes optimized CSR SpMM using the algorithm 1 path.

Field	Value
id	spmm_csr_opt_alg1
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, optimized, public-api
for	flagsparse_spmm_csr_opt_alg1, flagsparse_spmm_csr_opt_alg1_preprocess, prepare_spmm_csr_opt_alg1, prepare_spmm_csr_opt_alg1_preprocess

spmm_csr_opt_alg2

Computes optimized CSR SpMM using the algorithm 2 path.

Field	Value
id	spmm_csr_opt_alg2
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, optimized, public-api
for	flagsparse_spmm_csr_opt_alg2, flagsparse_spmm_csr_opt_alg2_preprocess, prepare_spmm_csr_opt_alg2, prepare_spmm_csr_opt_alg2_preprocess

alpha_spmm_alg1

Computes AlphaSparse-style CSR SpMM using the algorithm 1 implementation family.

Field	Value
id	alpha_spmm_alg1
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, alpha-sparse, public-api
for	flagsparse_alpha_spmm_alg1, flagsparse_alpha_spmm_alg1_tle, flagsparse_alpha_spmm_alg1_tle_opt, prepare_alpha_spmm_alg1, prepare_alpha_spmm_alg1_tle, prepare_alpha_spmm_alg1_tle_opt

spgemm_csr

Computes sparse matrix-sparse matrix multiplication for CSR inputs.

Field	Value
id	spgemm_csr
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, public-api
for	flagsparse_spgemm_csr, prepare_spgemm_csr

sddmm_csr

Computes sampled dense-dense matrix multiplication on a CSR sparsity pattern.

Field	Value
id	sddmm_csr
kind	SparseLinearAlg
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, public-api
for	flagsparse_sddmm_csr, prepare_sddmm_csr

spsv_csr

Solves sparse triangular systems represented in CSR format.

Field	Value
id	spsv_csr
kind	SparseSolver
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, public-api
for	flagsparse_spsv_csr

spsv_coo

Solves sparse triangular systems represented in COO format.

Field	Value
id	spsv_coo
kind	SparseSolver
stages	beta: 1.0
labels	flagsparse, sparse, coo, triton, public-api
for	flagsparse_spsv_coo

spsv_descriptor_api

Provides descriptor, buffer-size, analysis, preprocess, and solve APIs for SpSV workflows.

Field	Value
id	spsv_descriptor_api
kind	SparseSolver, Utility
stages	beta: 1.0
labels	flagsparse, sparse, csr, coo, descriptor, public-api
for	flagsparse_create_spsv_handle, flagsparse_create_dnvec, flagsparse_create_spmat_csr, flagsparse_create_spmat_coo, flagsparse_spsv_buffer_size, flagsparse_spsv_buffer_size_ex, flagsparse_spsv_create_workspace, flagsparse_spsv_analysis_csr, flagsparse_spsv_analysis_coo, flagsparse_spsv_analysis_ex, flagsparse_spsv_preprocess_csr, flagsparse_spsv_preprocess_coo, flagsparse_spsv_solve_csr, flagsparse_spsv_solve_coo, flagsparse_spsv_solve_ex

spsm_csr

Solves sparse triangular systems with dense matrix right-hand sides in CSR format.

Field	Value
id	spsm_csr
kind	SparseSolver
stages	beta: 1.0
labels	flagsparse, sparse, csr, triton, public-api
for	flagsparse_spsm_csr

spsm_coo

Solves sparse triangular systems with dense matrix right-hand sides in COO format.

Field	Value
id	spsm_coo
kind	SparseSolver
stages	beta: 1.0
labels	flagsparse, sparse, coo, triton, public-api
for	flagsparse_spsm_coo

sparse_format_constructors

Creates sparse matrix containers and converts COO data into supported sparse formats.

Field	Value
id	sparse_format_constructors
kind	SparseFormat, Utility
stages	beta: 1.0
labels	flagsparse, sparse, format, public-api
for	create_csr_matrix, create_coo_matrix, create_csc_matrix, create_bsr_matrix, create_sell_matrix, create_blocked_ell_matrix, coo_to_csr, coo_to_csc, coo_to_bsr, coo_to_sell, coo_to_blocked_ell, generate_random_sparse_matrix, read_mtx_file