Merge pull request #127 from gridap/cell_agg_substitute_global_array

Cell AGG avoid global array

Author: ericneiva

NEWS.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Fix for issue #115, which is a bug in the logic of the `ACTIVE` mask and `GhostSkeleton` construction. Since PR [#123](https://github.com/gridap/GridapEmbedded.jl/pull/123).
+- Cell aggregation: Avoid global size in memory array when adding remote ghosts. Since PR [#127](https://github.com/gridap/GridapEmbedded.jl/pull/127).
 
 ## [0.9.11] - 2026-4-28
 

src/Distributed/DistributedAgFEM.jl

@@ -308,7 +308,9 @@ function merge_nodes(model::DiscreteModel,ids)
   lnew_to_l = findall(map(==,l_to_lparent,1:n_local))
   l_to_lnew = zeros(Int,n_local)
   l_to_lnew[lnew_to_l] = 1:length(lnew_to_l)
-  g_to_lnew = map(l->iszero(l) ? l : l_to_lnew[l], g_to_l)
+  g_to_lnew = VectorFromDict(reverse(l_to_g[lnew_to_l]),
+                             reverse(1:length(lnew_to_l)),
+                             n_global)
   l_to_lnew = g_to_lnew[l_to_g]
 
   grid = get_grid(model)