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[REVIEW] Exposing spectral random seed property #193

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merged 2 commits into from
Apr 1, 2021
Merged

[REVIEW] Exposing spectral random seed property #193

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eb17106
Exposing spectral random seed property
cjnolet Apr 1, 2021
6dbc2a9
Fixing style
cjnolet Apr 1, 2021
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5 changes: 4 additions & 1 deletion cpp/include/raft/sparse/linalg/spectral.cuh
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,8 @@ namespace spectral {

template <typename T>
void fit_embedding(const raft::handle_t &handle, int *rows, int *cols, T *vals,
int nnz, int n, int n_components, T *out) {
int nnz, int n, int n_components, T *out,
unsigned long long seed = 1234567) {
auto stream = handle.get_stream();
auto d_alloc = handle.get_device_allocator();
raft::mr::device::buffer<int> src_offsets(d_alloc, stream, n + 1);
Expand Down Expand Up @@ -70,6 +71,8 @@ void fit_embedding(const raft::handle_t &handle, int *rows, int *cols, T *vals,
raft::eigen_solver_config_t<index_type, value_type> cfg{neigvs, maxiter,
restart_iter, tol};

cfg.seed = seed;

raft::lanczos_solver_t<index_type, value_type> eig_solver{cfg};

//cluster computation here is irrelevant,
Expand Down