Add basic tests for GpuEventSynchronizer

diff --git a/src/gromacs/gpu_utils/tests/CMakeLists.txt b/src/gromacs/gpu_utils/tests/CMakeLists.txt
index 604337d901bd295010220fb28bc92d1611a09fc1..7302ffadf8feab9fee92cd34c4818b80fd93ae74 100644 (file)
--- a/src/gromacs/gpu_utils/tests/CMakeLists.txt
+++ b/src/gromacs/gpu_utils/tests/CMakeLists.txt
@@ -1,7 +1,7 @@
 #
 # This file is part of the GROMACS molecular simulation package.
 #
-# Copyright (c) 2017,2018,2019,2020, by the GROMACS development team, led by
+# Copyright (c) 2017,2018,2019,2020,2021, by the GROMACS development team, led by
 # Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
 # and including many others, as listed in the AUTHORS file in the
 # top-level source directory and at http://www.gromacs.org.
@@ -49,6 +49,7 @@ gmx_add_unit_test(GpuUtilsUnitTests gpu_utils-test HARDWARE_DETECTION
         
     GPU_CPP_SOURCE_FILES
         device_buffer.cpp
+        gpueventsynchronizer.cpp
         typecasts.cpp
 
     CUDA_CU_SOURCE_FILES

diff --git a/src/gromacs/gpu_utils/tests/gpueventsynchronizer.cpp b/src/gromacs/gpu_utils/tests/gpueventsynchronizer.cpp
new file mode 100644 (file)
index 0000000..7f28867
--- /dev/null
+++ b/src/gromacs/gpu_utils/tests/gpueventsynchronizer.cpp
@@ -0,0 +1,109 @@
+/*
+ * This file is part of the GROMACS molecular simulation package.
+ *
+ * Copyright (c) 2021, by the GROMACS development team, led by
+ * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+ * and including many others, as listed in the AUTHORS file in the
+ * top-level source directory and at http://www.gromacs.org.
+ *
+ * GROMACS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * GROMACS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with GROMACS; if not, see
+ * http://www.gnu.org/licenses, or write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
+ *
+ * If you want to redistribute modifications to GROMACS, please
+ * consider that scientific software is very special. Version
+ * control is crucial - bugs must be traceable. We will be happy to
+ * consider code for inclusion in the official distribution, but
+ * derived work must not be called official GROMACS. Details are found
+ * in the README & COPYING files - if they are missing, get the
+ * official version at http://www.gromacs.org.
+ *
+ * To help us fund GROMACS development, we humbly ask that you cite
+ * the research papers on the package. Check out http://www.gromacs.org.
+ */
+/*! \internal \file
+ * \brief Tests for GpuEventSynchronizer
+ *
+ * \author Andrey Alekseenko <al42and@gmail.com>
+ *
+ * \ingroup module_gpu_utils
+ */
+#include "gmxpre.h"
+
+#include "gromacs/gpu_utils/gpueventsynchronizer.h"
+
+#include <gtest/gtest.h>
+
+#include "gromacs/gpu_utils/device_context.h"
+#include "gromacs/gpu_utils/device_stream.h"
+#include "gromacs/hardware/device_management.h"
+
+#include "testutils/test_hardware_environment.h"
+
+namespace gmx
+{
+
+namespace test
+{
+
+namespace
+{
+
+#if GMX_GPU
+TEST(GpuEventSynchronizerTest, BasicFunctionality)
+{
+    const auto& testDeviceList = getTestHardwareEnvironment()->getTestDeviceList();
+    for (const auto& testDevice : testDeviceList)
+    {
+        const DeviceInformation& deviceInfo = testDevice->deviceInfo();
+        setActiveDevice(deviceInfo);
+        DeviceContext context(deviceInfo);
+        DeviceStream  streamA(context, DeviceStreamPriority::Normal, false);
+        DeviceStream  streamB(context, DeviceStreamPriority::Normal, false);
+
+        {
+            SCOPED_TRACE("Constructor");
+            GpuEventSynchronizer gpuEventSynchronizer;
+        }
+
+        {
+            SCOPED_TRACE("Mark and wait");
+            GpuEventSynchronizer gpuEventSynchronizer;
+            gpuEventSynchronizer.markEvent(streamA);
+            gpuEventSynchronizer.waitForEvent(); // Should return immediately
+        }
+
+        {
+            SCOPED_TRACE("Mark and enqueueWait");
+            GpuEventSynchronizer gpuEventSynchronizer;
+            gpuEventSynchronizer.markEvent(streamA);
+            gpuEventSynchronizer.enqueueWaitEvent(streamB);
+            streamB.synchronize(); // Should return immediately
+        }
+
+        {
+            SCOPED_TRACE("Mark and wait twice");
+            GpuEventSynchronizer gpuEventSynchronizer;
+            gpuEventSynchronizer.markEvent(streamA);
+            gpuEventSynchronizer.waitForEvent();
+            gpuEventSynchronizer.markEvent(streamB);
+            gpuEventSynchronizer.waitForEvent();
+        }
+    }
+}
+#endif // GMX_GPU
+
+} // namespace
+} // namespace test
+} // namespace gmx