Do not force separate PME rank to recompute reciprocal box every step

Change-Id: I5015a13ecda6b14831619d7fb1e78fde4eb2002d

diff --git a/src/gromacs/ewald/pme-only.cpp b/src/gromacs/ewald/pme-only.cpp
index 91a7b686534e831a8b6508fe4305e79db076e2dc..3f219be17315b1d026e6154506c5d6670b015fb5 100644 (file)
--- a/src/gromacs/ewald/pme-only.cpp
+++ b/src/gromacs/ewald/pme-only.cpp
@@ -630,7 +630,7 @@ int gmx_pmeonly(struct gmx_pme_t *pme,
         gmx::ArrayRef<const gmx::RVec> forces;
         if (useGpuForPme)
         {
-            const bool boxChanged = true;
+            const bool boxChanged = false;
             //TODO this should be set properly by gmx_pme_recv_coeffs_coords,
             // or maybe use inputrecDynamicBox(ir), at the very least - change this when this codepath is tested!
             pme_gpu_prepare_computation(pme, boxChanged, box, wcycle, pmeFlags);