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Fix gather index type in ann_ivf_flat test #2279

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huuanhhuyn wants to merge 3 commits into from
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Fix gather index type in ann_ivf_flat test #2279

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2db9d3d
Fix gather index type in ann_ivf_flat test
huuanhhuyn Jun 30, 2026
95e5f42
Change flat_codes index type to int
huuanhhuyn Jun 30, 2026
fea04e8
Merge branch 'main' into fix_index_type_ivf_flat
huuanhhuyn Jun 30, 2026
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10 changes: 5 additions & 5 deletions cpp/tests/neighbors/ann_ivf_flat.cuh
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Original file line number Diff line number Diff line change
Expand Up @@ -307,14 +307,14 @@ class AnnIVFFlatTest : public ::testing::TestWithParam<AnnIvfFlatInputs<IdxT>> {
auto& list_inds = extend_index.lists()[label]->indices;

// fetch the flat codes
auto flat_codes = raft::make_device_matrix<DataT, uint32_t>(handle_, list_size, idx.dim());
auto flat_codes = raft::make_device_matrix<DataT, int32_t>(handle_, list_size, idx.dim());

raft::matrix::gather(
handle_,
raft::make_device_matrix_view<const DataT, uint32_t>(
(const DataT*)database.data(), static_cast<uint32_t>(ps.num_db_vecs), idx.dim()),
raft::make_device_vector_view<const IdxT, uint32_t>((const IdxT*)list_inds.data_handle(),
list_size),
raft::make_device_matrix_view<const DataT, int32_t>(
(const DataT*)database.data(), static_cast<int32_t>(ps.num_db_vecs), idx.dim()),
raft::make_device_vector_view<const IdxT, int32_t>((const IdxT*)list_inds.data_handle(),
list_size),
flat_codes.view());

helpers::codepacker::pack(
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