1 files changed, 6 insertions, 6 deletions
diff --git a/common/base_arch.h b/common/base_arch.h
index fbafee99..c7d9f380 100644
--- a/common/base_arch.h
+++ b/common/base_arch.h
@@ -441,23 +441,23 @@ template <typename R> struct BaseArch : ArchAPI<R>
 
     // --------------------------------------------------------------
     // These structures are used to provide default implementations of bel/wire/pip binding. Arches might want to
-    // replace them with their own, for example to use faster access structures than unordered_map. Arches might also
+    // replace them with their own, for example to use faster access structures than dict. Arches might also
     // want to add extra checks around these functions
-    std::unordered_map<BelId, CellInfo *> base_bel2cell;
-    std::unordered_map<WireId, NetInfo *> base_wire2net;
-    std::unordered_map<PipId, NetInfo *> base_pip2net;
+    dict<BelId, CellInfo *> base_bel2cell;
+    dict<WireId, NetInfo *> base_wire2net;
+    dict<PipId, NetInfo *> base_pip2net;
 
     // For the default cell/bel bucket implementations
     std::vector<IdString> cell_types;
     std::vector<BelBucketId> bel_buckets;
-    std::unordered_map<BelBucketId, std::vector<BelId>> bucket_bels;
+    dict<BelBucketId, std::vector<BelId>> bucket_bels;
 
     // Arches that want to use the default cell types and bel buckets *must* call these functions in their constructor
     bool cell_types_initialised = false;
     bool bel_buckets_initialised = false;
     void init_cell_types()
     {
-        std::unordered_set<IdString> bel_types;
+        pool<IdString> bel_types;
         for (auto bel : this->getBels())
             bel_types.insert(this->getBelType(bel));
         std::copy(bel_types.begin(), bel_types.end(), std::back_inserter(cell_types));