From 53996b5296b60732a918f859296722032226ff0e Mon Sep 17 00:00:00 2001
From: Edoardo Zoni <59625522+EZoni@users.noreply.github.com>
Date: Mon, 18 Oct 2021 09:09:09 -0700
Subject: Multi-J Algo: Synchronize Nodal Points of F,G (#2434)

---
 Source/Parallelization/WarpXComm.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'Source/Parallelization/WarpXComm.cpp')

diff --git a/Source/Parallelization/WarpXComm.cpp b/Source/Parallelization/WarpXComm.cpp
index a36521f69..042344bda 100644
--- a/Source/Parallelization/WarpXComm.cpp
+++ b/Source/Parallelization/WarpXComm.cpp
@@ -1314,3 +1314,21 @@ void WarpX::NodalSync (amrex::Vector<std::array<std::unique_ptr<amrex::MultiFab>
         }
     }
 }
+
+void WarpX::NodalSync (amrex::Vector<std::unique_ptr<amrex::MultiFab>>& mf_fp,
+                       amrex::Vector<std::unique_ptr<amrex::MultiFab>>& mf_cp)
+{
+    if (!override_sync_intervals.contains(istep[0]) && !do_pml) return;
+
+    for (int lev = 0; lev <= WarpX::finest_level; lev++)
+    {
+        const amrex::Periodicity& period = Geom(lev).periodicity();
+        mf_fp[lev]->OverrideSync(period);
+
+        if (lev > 0)
+        {
+            const amrex::Periodicity& cperiod = Geom(lev-1).periodicity();
+            mf_cp[lev]->OverrideSync(cperiod);
+        }
+    }
+}
-- 
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