Remove StatePropagatorDataGpu::getVelocitiesReadyOnDeviceEvent

[alexxy/gromacs.git] / src / gromacs / mdtypes / state_propagator_data_gpu_impl_gpu.cpp

diff --git a/src/gromacs/mdtypes/state_propagator_data_gpu_impl_gpu.cpp b/src/gromacs/mdtypes/state_propagator_data_gpu_impl_gpu.cpp
index d4868d20dc6b4945b722b129b912863458b7399b..93a0839b9e617007bcad3fbf47296dca6d58ab97 100644 (file)
--- a/src/gromacs/mdtypes/state_propagator_data_gpu_impl_gpu.cpp
+++ b/src/gromacs/mdtypes/state_propagator_data_gpu_impl_gpu.cpp
@@ -417,18 +417,15 @@ void StatePropagatorDataGpu::Impl::copyVelocitiesToGpu(const gmx::ArrayRef<const
     wallcycle_sub_start(wcycle_, WallCycleSubCounter::LaunchStatePropagatorData);
 
     copyToDevice(d_v_, h_v, d_vSize_, atomLocality, *deviceStream);
-    vReadyOnDevice_[atomLocality].markEvent(*deviceStream);
+    /* Not marking the event, because it is not used anywhere.
+     * Since we only use velocities on the device for update, and we launch the copy in
+     * the "update" stream, that should be safe.
+     */
 
     wallcycle_sub_stop(wcycle_, WallCycleSubCounter::LaunchStatePropagatorData);
     wallcycle_stop(wcycle_, WallCycleCounter::LaunchGpu);
 }
 
-GpuEventSynchronizer* StatePropagatorDataGpu::Impl::getVelocitiesReadyOnDeviceEvent(AtomLocality atomLocality)
-{
-    return &vReadyOnDevice_[atomLocality];
-}
-
-
 void StatePropagatorDataGpu::Impl::copyVelocitiesFromGpu(gmx::ArrayRef<gmx::RVec> h_v, AtomLocality atomLocality)
 {
     GMX_ASSERT(atomLocality < AtomLocality::Count, "Wrong atom locality.");
@@ -637,11 +634,6 @@ void StatePropagatorDataGpu::copyVelocitiesToGpu(const gmx::ArrayRef<const gmx::
     return impl_->copyVelocitiesToGpu(h_v, atomLocality);
 }
 
-GpuEventSynchronizer* StatePropagatorDataGpu::getVelocitiesReadyOnDeviceEvent(AtomLocality atomLocality)
-{
-    return impl_->getVelocitiesReadyOnDeviceEvent(atomLocality);
-}
-
 void StatePropagatorDataGpu::copyVelocitiesFromGpu(gmx::ArrayRef<RVec> h_v, AtomLocality atomLocality)
 {
     return impl_->copyVelocitiesFromGpu(h_v, atomLocality);