Update SmallWorld.cs

ZeroLevel.HNSW/SmallWorld.cs

@@ -298,24 +298,10 @@ namespace ZeroLevel.HNSW
                     return Enumerable.Empty<(int, float)>();
                 }
                 var distance = new Func<int, int, float>((id1, id2) => _options.Distance(_vectors[id1], _vectors[id2]));
-
                 // W ← ∅ // set for the current nearest elements
                 var W = new Dictionary<int, float>(k + 1);
-                // ep ← get enter point for hnsw
-                var ep = EntryPoint;
-                // L ← level of ep // top layer for hnsw
-                var L = MaxLayer;
-                // for lc ← L … 1
-                for (int layer = L; layer > 0; --layer)
-                {
-                    // W ← SEARCH-LAYER(q, ep, ef = 1, lc)
-                    _layers[layer].KNearestAtLayer(ep, W, 1, context);
-                    // ep ← get nearest element from W to q
-                    ep = W.OrderBy(p => p.Value).First().Key;
-                    W.Clear();
-                }
                 // W ← SEARCH-LAYER(q, ep, ef, lc =0)
-                _layers[0].KNearestAtLayer(ep, W, k, context);
+                _layers[0].KNearestAtLayer(W, k, context);
                 // return K nearest elements from W to q
                 return W.Select(p => (p.Key, p.Value));
             }