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Update hnswalg.h #324

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Update hnswalg.h #324

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1866a1d
Merge pull request #323 from nmslib/develop
yurymalkov Jun 30, 2021
63be3c5
Update hnswalg.h
zeraph6 Jul 9, 2021
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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.
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@zeraph6
zeraph6 authored Jul 9, 2021
commit 63be3c524578f69419fd79c091a1919e7c4f00e2
8 changes: 4 additions & 4 deletions hnswlib/hnswalg.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand All @@ -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));
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