From 63be3c524578f69419fd79c091a1919e7c4f00e2 Mon Sep 17 00:00:00 2001
From: zeraph6 <74666751+zeraph6@users.noreply.github.com>
Date: Fri, 9 Jul 2021 04:40:50 +0100
Subject: [PATCH] Update hnswalg.h

Collect_metrics@searchBaseLayer  : We should not increment metric_distance_computation with the size of neighbors, since there may be some neighbors already visited.
---
 hnswlib/hnswalg.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/hnswlib/hnswalg.h b/hnswlib/hnswalg.h
index f23c17d9..03fac29d 100644
--- a/hnswlib/hnswalg.h
+++ b/hnswlib/hnswalg.h
@@ -280,10 +280,9 @@ namespace hnswlib {
                 int *data = (int *) get_linklist0(current_node_id);
                 size_t size = getListCount((linklistsizeint*)data);
 //                bool cur_node_deleted = isMarkedDeleted(current_node_id);
-                if(collect_metrics){
+                if(collect_metrics)
                     metric_hops++;
-                    metric_distance_computations+=size;
-                }
+                
 
 #ifdef USE_SSE
                 _mm_prefetch((char *) (visited_array + *(data + 1)), _MM_HINT_T0);
@@ -301,7 +300,8 @@ namespace hnswlib {
                                  _MM_HINT_T0);////////////
 #endif
                     if (!(visited_array[candidate_id] == visited_array_tag)) {
-
+                                    if(collect_metrics)metric_distance_computations++;
+                
                         visited_array[candidate_id] = visited_array_tag;
 
                         char *currObj1 = (getDataByInternalId(candidate_id));