Remove thread-MPI limitation for GPU direct PME-PP communication

[alexxy/gromacs.git] / src / gromacs / ewald / pme_force_sender_gpu_impl.cpp

diff --git a/src/gromacs/ewald/pme_force_sender_gpu_impl.cpp b/src/gromacs/ewald/pme_force_sender_gpu_impl.cpp
index 0365a5563c74d777b24d129fa5329d49fc9c9564..f7cd9c5cc47c1e6e1e9f964d34e07723b1f2bab3 100644 (file)
--- a/src/gromacs/ewald/pme_force_sender_gpu_impl.cpp
+++ b/src/gromacs/ewald/pme_force_sender_gpu_impl.cpp
@@ -90,6 +90,17 @@ void PmeForceSenderGpu::sendFSynchronizerToPpCudaDirect(int /* ppRank */)
                "implementation.");
 }
 
+void PmeForceSenderGpu::sendFToPpCudaMpi(DeviceBuffer<RVec> /* sendbuf */,
+                                         int /* offset */,
+                                         int /* numBytes */,
+                                         int /* ppRank */,
+                                         MPI_Request* /* request */)
+{
+    GMX_ASSERT(!impl_,
+               "A CPU stub for PME-PP GPU communication was called instead of the correct "
+               "implementation.");
+}
+
 } // namespace gmx
 
 #endif // !GMX_GPU_CUDA