ignore imgui.ini

.gitignore

@@ -5,3 +5,4 @@ build/
 rntviewer
 .gdbhist
 .gdb_history
+imgui.ini

src/render.cpp

@@ -206,7 +206,8 @@ void viewer_jump_to_cluster(App_State &app, u64 cluster_idx)
   assert(app.rndata.n_clusters > 0);
   cluster_idx = (cluster_idx + app.rndata.n_clusters) % app.rndata.n_clusters;
 
-  // @Speed
+  // @Speed: this is slow! Consider an acceleration structure, or maybe we can reuse
+  // Page_Info_Groups + binary search? (depends on whether cluster_idx are sorted)
   Page_Info_Node *page = app.rndata.pages;
   for (u64 i = 0; i < app.rndata.n_pages; ++i) {
     if (page->cluster_id == cluster_idx)