Update HNSW build param M's valid range (#221)

Signed-off-by: Yudong Cai <[email protected]>
zilliztech · Nov 28, 2023 · 7591640 · 7591640
1 parent aeb6931
commit 7591640
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/index/hnsw/hnsw_config.h b/src/index/hnsw/hnsw_config.h
@@ -33,7 +33,7 @@ class HnswConfig : public BaseConfig {
     CFG_INT seed_ef;
     CFG_INT overview_levels;
     KNOHWERE_DECLARE_CONFIG(HnswConfig) {
-        KNOWHERE_CONFIG_DECLARE_FIELD(M).description("hnsw M").set_default(30).set_range(1, 2048).for_train();
+        KNOWHERE_CONFIG_DECLARE_FIELD(M).description("hnsw M").set_default(30).set_range(2, 2048).for_train();
         KNOWHERE_CONFIG_DECLARE_FIELD(efConstruction)
             .description("hnsw efConstruction")
             .set_default(360)