1 files changed, 13 insertions, 0 deletions
diff --git a/benchmarks/include/benchmark_types.h b/benchmarks/include/benchmark_types.h
index 13964e8..51fc52d 100644
--- a/benchmarks/include/benchmark_types.h
+++ b/benchmarks/include/benchmark_types.h
@@ -35,6 +35,9 @@ typedef psudb::BTree<int64_t, btree_record<int64_t, int64_t>, btree_key_extract<
 const size_t W2V_SIZE = 300;
 typedef de::EuclidPoint<double, W2V_SIZE> Word2VecRec;
 
+const size_t ANNSize = 128;
+typedef de::EuclidPoint<uint64_t, ANNSize> ANNRec;
+
 struct euclidean_distance {
     double operator()(const Word2VecRec &first, const Word2VecRec &second) const {
         double dist = 0;
@@ -44,11 +47,21 @@ struct euclidean_distance {
         
         return std::sqrt(dist);
     }
+
+    double operator()(const ANNRec &first, const ANNRec &second) const {
+        double dist = 0;
+        for (size_t i=0; i<ANNSize; i++) {
+            dist += ((double) first.data[i] - (double) second.data[i]) * ((double) first.data[i] - (double) second.data[i]);
+        }
+        
+        return std::sqrt(dist);
+    }
 };
 
 #ifdef _GNU_SOURCE
 #include "mtree.h"
 typedef mt::mtree<Word2VecRec, euclidean_distance> MTree;
+typedef mt::mtree<ANNRec, euclidean_distance> MTree_alt;
 #endif
 
 typedef pgm::DynamicPGMIndex<uint64_t, uint64_t, pgm::PGMIndex<uint64_t, 64>> PGM;