gorse-io · zhenghaoz · Aug 24, 2026 · Aug 24, 2026
diff --git a/collection.go b/collection.go
@@ -38,7 +38,7 @@ import (
 	"github.com/gorse-io/xvec/internal/ailego/io"
 	"github.com/gorse-io/xvec/internal/ailego/parallel"
 	"github.com/gorse-io/xvec/internal/ailego/utility"
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 	"github.com/gorse-io/xvec/internal/db"
 	"github.com/gorse-io/xvec/internal/db/index/column/fts_column"
 	"github.com/gorse-io/xvec/internal/db/index/column/fts_column/tokenizer"

diff --git a/collection_test.go b/collection_test.go
@@ -32,7 +32,7 @@ import (
 
 	"github.com/gofrs/flock"
 	"github.com/gorse-io/xvec/internal/ailego/math"
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 	"github.com/gorse-io/xvec/internal/db"
 	"github.com/gorse-io/xvec/internal/db/index/column/fts_column/tokenizer"
 	"github.com/gorse-io/xvec/internal/db/index/common"

diff --git a/internal/core/refiner.go → internal/core/algorithm/basic_refiner.go b/internal/core/refiner.go → internal/core/algorithm/basic_refiner.go
diff --git a/internal/core/refiner_test.go → ...rnal/core/algorithm/basic_refiner_test.go b/internal/core/refiner_test.go → ...rnal/core/algorithm/basic_refiner_test.go
diff --git a/internal/core/kmeans.go → internal/core/algorithm/cluster_algorithm.go b/internal/core/kmeans.go → internal/core/algorithm/cluster_algorithm.go
diff --git a/internal/core/kmeans_test.go → .../core/algorithm/cluster_algorithm_test.go b/internal/core/kmeans_test.go → .../core/algorithm/cluster_algorithm_test.go
diff --git a/internal/core/diskann.go → internal/core/algorithm/diskann_algorithm.go b/internal/core/diskann.go → internal/core/algorithm/diskann_algorithm.go
diff --git a/internal/core/diskann_test.go → .../core/algorithm/diskann_algorithm_test.go b/internal/core/diskann_test.go → .../core/algorithm/diskann_algorithm_test.go
diff --git a/internal/core/diskann_example_test.go → ...al/core/algorithm/diskann_example_test.go b/internal/core/diskann_example_test.go → ...al/core/algorithm/diskann_example_test.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 )
 
 func ExampleDiskANNIndex() {

diff --git a/internal/core/diskann_io.go → ...nal/core/algorithm/diskann_file_reader.go b/internal/core/diskann_io.go → ...nal/core/algorithm/diskann_file_reader.go
diff --git a/internal/core/diskann_cache.go → internal/core/algorithm/diskann_holder.go b/internal/core/diskann_cache.go → internal/core/algorithm/diskann_holder.go
diff --git a/internal/core/diskann_storage.go → ...al/core/algorithm/diskann_index_format.go b/internal/core/diskann_storage.go → ...al/core/algorithm/diskann_index_format.go
diff --git a/internal/core/diskann_storage_test.go → ...re/algorithm/diskann_index_format_test.go b/internal/core/diskann_storage_test.go → ...re/algorithm/diskann_index_format_test.go
diff --git a/internal/core/diskann_quantized.go → internal/core/algorithm/diskann_quantized.go b/internal/core/diskann_quantized.go → internal/core/algorithm/diskann_quantized.go
diff --git a/internal/core/diskann_quantized_test.go → .../core/algorithm/diskann_quantized_test.go b/internal/core/diskann_quantized_test.go → .../core/algorithm/diskann_quantized_test.go
diff --git a/...rnal/core/diskann_storage_example_test.go → ...algorithm/diskann_storage_example_test.go b/...rnal/core/diskann_storage_example_test.go → ...algorithm/diskann_storage_example_test.go
@@ -17,7 +17,7 @@ package core_test
 import (
 	"fmt"
 
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 )
 
 func ExampleNewDiskANNLayout() {

diff --git a/internal/core/file_mode_test.go → internal/core/algorithm/file_mode_test.go b/internal/core/file_mode_test.go → internal/core/algorithm/file_mode_test.go
diff --git a/internal/core/flat.go → internal/core/algorithm/flat_algorithm.go b/internal/core/flat.go → internal/core/algorithm/flat_algorithm.go
diff --git a/internal/core/flat_test.go → ...nal/core/algorithm/flat_algorithm_test.go b/internal/core/flat_test.go → ...nal/core/algorithm/flat_algorithm_test.go
diff --git a/internal/core/hnsw.go → internal/core/algorithm/hnsw_algorithm.go b/internal/core/hnsw.go → internal/core/algorithm/hnsw_algorithm.go
diff --git a/internal/core/hnsw_test.go → ...nal/core/algorithm/hnsw_algorithm_test.go b/internal/core/hnsw_test.go → ...nal/core/algorithm/hnsw_algorithm_test.go
diff --git a/internal/core/hnsw_parallel.go → internal/core/algorithm/hnsw_builder.go b/internal/core/hnsw_parallel.go → internal/core/algorithm/hnsw_builder.go
diff --git a/internal/core/group_by_hnsw.go → ...nal/core/algorithm/hnsw_group_searcher.go b/internal/core/group_by_hnsw.go → ...nal/core/algorithm/hnsw_group_searcher.go
diff --git a/internal/core/group_by_hnsw_test.go → ...ore/algorithm/hnsw_group_searcher_test.go b/internal/core/group_by_hnsw_test.go → ...ore/algorithm/hnsw_group_searcher_test.go
diff --git a/internal/core/hnsw_quantized.go → ...core/algorithm/hnsw_quantized_searcher.go b/internal/core/hnsw_quantized.go → ...core/algorithm/hnsw_quantized_searcher.go
diff --git a/internal/core/hnsw_rabitq.go → ...l/core/algorithm/hnsw_rabitq_algorithm.go b/internal/core/hnsw_rabitq.go → ...l/core/algorithm/hnsw_rabitq_algorithm.go
diff --git a/internal/core/hnsw_rabitq_example_test.go → ...ore/algorithm/hnsw_rabitq_example_test.go b/internal/core/hnsw_rabitq_example_test.go → ...ore/algorithm/hnsw_rabitq_example_test.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 )
 
 func ExampleHNSWRaBitQBuilder() {

diff --git a/internal/core/hnsw_rabitq_test.go → internal/core/algorithm/hnsw_rabitq_test.go b/internal/core/hnsw_rabitq_test.go → internal/core/algorithm/hnsw_rabitq_test.go
diff --git a/internal/core/hnsw_sparse.go → ...l/core/algorithm/hnsw_sparse_algorithm.go b/internal/core/hnsw_sparse.go → ...l/core/algorithm/hnsw_sparse_algorithm.go
diff --git a/internal/core/hnsw_sparse_test.go → internal/core/algorithm/hnsw_sparse_test.go b/internal/core/hnsw_sparse_test.go → internal/core/algorithm/hnsw_sparse_test.go
diff --git a/internal/core/hnsw_prefetch.go → internal/core/algorithm/hnsw_utility.go b/internal/core/hnsw_prefetch.go → internal/core/algorithm/hnsw_utility.go
diff --git a/internal/core/hnsw_visited.go → internal/core/algorithm/hnsw_visit_filter.go b/internal/core/hnsw_visited.go → internal/core/algorithm/hnsw_visit_filter.go
diff --git a/internal/core/hnsw_visited_test.go → .../core/algorithm/hnsw_visit_filter_test.go b/internal/core/hnsw_visited_test.go → .../core/algorithm/hnsw_visit_filter_test.go
diff --git a/internal/core/query.go → internal/core/algorithm/index_flow.go b/internal/core/query.go → internal/core/algorithm/index_flow.go
diff --git a/internal/core/query_test.go → internal/core/algorithm/index_flow_test.go b/internal/core/query_test.go → internal/core/algorithm/index_flow_test.go
diff --git a/internal/core/quantization.go → internal/core/algorithm/integer_quantizer.go b/internal/core/quantization.go → internal/core/algorithm/integer_quantizer.go
diff --git a/internal/core/quantization_test.go → .../core/algorithm/integer_quantizer_test.go b/internal/core/quantization_test.go → .../core/algorithm/integer_quantizer_test.go
diff --git a/internal/core/ivf.go → internal/core/algorithm/ivf_algorithm.go b/internal/core/ivf.go → internal/core/algorithm/ivf_algorithm.go
diff --git a/internal/core/ivf_test.go → ...rnal/core/algorithm/ivf_algorithm_test.go b/internal/core/ivf_test.go → ...rnal/core/algorithm/ivf_algorithm_test.go
diff --git a/internal/core/ivf_quantized.go → .../core/algorithm/ivf_quantized_searcher.go b/internal/core/ivf_quantized.go → .../core/algorithm/ivf_quantized_searcher.go
diff --git a/internal/core/pq_example_test.go → internal/core/algorithm/pq_example_test.go b/internal/core/pq_example_test.go → internal/core/algorithm/pq_example_test.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 )
 
 func ExampleTrainPQ() {

diff --git a/internal/core/pq.go → internal/core/algorithm/pq_quantizer.go b/internal/core/pq.go → internal/core/algorithm/pq_quantizer.go
diff --git a/internal/core/pq_test.go → internal/core/algorithm/pq_quantizer_test.go b/internal/core/pq_test.go → internal/core/algorithm/pq_quantizer_test.go
diff --git a/internal/core/quantized_index.go → ...core/algorithm/quantized_flat_searcher.go b/internal/core/quantized_index.go → ...core/algorithm/quantized_flat_searcher.go
diff --git a/internal/core/quantized_index_test.go → ...algorithm/quantized_flat_searcher_test.go b/internal/core/quantized_index_test.go → ...algorithm/quantized_flat_searcher_test.go
diff --git a/internal/core/rabitq.go → internal/core/algorithm/rabitq_converter.go b/internal/core/rabitq.go → internal/core/algorithm/rabitq_converter.go
diff --git a/internal/core/rabitq_test.go → ...l/core/algorithm/rabitq_converter_test.go b/internal/core/rabitq_test.go → ...l/core/algorithm/rabitq_converter_test.go
diff --git a/internal/core/rabitq_example_test.go → ...nal/core/algorithm/rabitq_example_test.go b/internal/core/rabitq_example_test.go → ...nal/core/algorithm/rabitq_example_test.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 )
 
 func ExampleTrainRaBitQ() {

diff --git a/internal/core/rabitq_quantize.go → internal/core/algorithm/rabitq_reformer.go b/internal/core/rabitq_quantize.go → internal/core/algorithm/rabitq_reformer.go
diff --git a/internal/core/rotation.go → internal/core/algorithm/rotator.go b/internal/core/rotation.go → internal/core/algorithm/rotator.go
diff --git a/internal/core/rotation_test.go → internal/core/algorithm/rotator_test.go b/internal/core/rotation_test.go → internal/core/algorithm/rotator_test.go
diff --git a/internal/core/sparse_refiner.go → internal/core/algorithm/sparse_refiner.go b/internal/core/sparse_refiner.go → internal/core/algorithm/sparse_refiner.go
diff --git a/internal/core/sparse_refiner_test.go → ...nal/core/algorithm/sparse_refiner_test.go b/internal/core/sparse_refiner_test.go → ...nal/core/algorithm/sparse_refiner_test.go
diff --git a/internal/core/topk.go → ...nal/core/algorithm/topk_result_builder.go b/internal/core/topk.go → ...nal/core/algorithm/topk_result_builder.go
diff --git a/internal/core/topk_test.go → ...ore/algorithm/topk_result_builder_test.go b/internal/core/topk_test.go → ...ore/algorithm/topk_result_builder_test.go
diff --git a/internal/core/vamana.go → internal/core/algorithm/vamana_algorithm.go b/internal/core/vamana.go → internal/core/algorithm/vamana_algorithm.go
diff --git a/internal/core/vamana_test.go → ...l/core/algorithm/vamana_algorithm_test.go b/internal/core/vamana_test.go → ...l/core/algorithm/vamana_algorithm_test.go
diff --git a/internal/core/vamana_example_test.go → ...nal/core/algorithm/vamana_example_test.go b/internal/core/vamana_example_test.go → ...nal/core/algorithm/vamana_example_test.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 )
 
 func ExampleVamanaBuilder() {

diff --git a/internal/core/vamana_quantized.go → ...re/algorithm/vamana_quantized_searcher.go b/internal/core/vamana_quantized.go → ...re/algorithm/vamana_quantized_searcher.go
diff --git a/reranker_weighted.go b/reranker_weighted.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"math"
 
-	"github.com/gorse-io/xvec/internal/core"
+	"github.com/gorse-io/xvec/internal/core/algorithm"
 )
 
 // WeightedReranker normalizes each branch score according to its field metric,