From b2a6574426b8933da5a7afbfb1f789de7c8d50af Mon Sep 17 00:00:00 2001
From: Maximilian Gaul <ptfs410h@mailhub.rrze.uni-erlangen.de>
Date: Mon, 24 Jan 2022 18:09:27 +0100
Subject: [PATCH] Remove unnecessary atom force backcopy in computeForce

---
 src/force.cu | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/src/force.cu b/src/force.cu
index 1d06b68..6e9f41a 100644
--- a/src/force.cu
+++ b/src/force.cu
@@ -265,21 +265,6 @@ double computeForce(
     checkCUDAError( "PeekAtLastError ComputeForce", cudaPeekAtLastError() );
     checkCUDAError( "DeviceSync ComputeForce", cudaDeviceSynchronize() );
 
-    // copy results in c_atom.fx/fy/fz to atom->fx/fy/fz
-
-    checkCUDAError( "memcpy force back", cudaMemcpy(atom->fx, c_atom.fx, sizeof(MD_FLOAT) * Nlocal * 3, cudaMemcpyDeviceToHost) );
-
-    /*
-    cudaFree(c_atom.x);
-    cudaFree(c_atom.fx); cudaFree(c_atom.fy); cudaFree(c_atom.fz);
-    cudaFree(c_atom.type);
-    cudaFree(c_atom.epsilon);
-    cudaFree(c_atom.sigma6);
-    cudaFree(c_atom.cutforcesq);
-    */
-
-    // cudaFree(c_neighs); cudaFree(c_neigh_numneigh);
-
     cudaProfilerStop();
 
     LIKWID_MARKER_STOP("force");