Update cpp/src/neighbors/detail/cagra/search_plan.cuh

Co-authored-by: Tamas Bela Feher <[email protected]>
rapidsai · Dec 5, 2024 · ae7fbf5 · ae7fbf5
1 parent e1a71e9
commit ae7fbf5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cpp/src/neighbors/detail/cagra/search_plan.cuh b/cpp/src/neighbors/detail/cagra/search_plan.cuh
@@ -328,7 +328,7 @@ struct search_plan_impl : public search_plan_impl_base {
         while (max_visited_nodes > hashmap::get_size(hash_bitlen) * max_fill_rate) {
           hash_bitlen += 1;
         }
-        RAFT_EXPECTS(hash_bitlen <= 20, "hash_bitlen cannot be largen than 20 (1M)");
+        RAFT_EXPECTS(hash_bitlen <= 20, "hash_bitlen cannot be largen than 20 (1M). You can decrease itopk_size, search_width or max_iterations to reduce the required hashmap size.");
       }
     }
     RAFT_LOG_DEBUG("# internal topK = %lu", itopk_size);