+/*
+ * This file is part of the GROMACS molecular simulation package.
+ *
+ * Copyright (c) 2020, 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.
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+/*! \internal \file
+ * \brief Defines helper functionality for device transfers for tests
+ * for GPU host allocator.
+ *
+ * \author Andrey Alekseenko <al42and@gmail.com>
+ */
+#include "gmxpre.h"
+
+#include "gromacs/gpu_utils/gmxsycl.h"
+#include "gromacs/hardware/device_information.h"
+#include "gromacs/utility/arrayref.h"
+#include "gromacs/utility/exceptions.h"
+#include "gromacs/utility/gmxassert.h"
+#include "gromacs/utility/stringutil.h"
+
+#include "devicetransfers.h"
+
+namespace gmx
+{
+
+void doDeviceTransfers(const DeviceInformation& deviceInfo, ArrayRef<const char> input, ArrayRef<char> output)
+{
+ GMX_RELEASE_ASSERT(input.size() == output.size(), "Input and output must have matching size");
+
+ try
+ {
+ cl::sycl::queue syclQueue(deviceInfo.syclDevice);
+
+ cl::sycl::property_list syclBufferProperties{ cl::sycl::property::buffer::context_bound(
+ syclQueue.get_context()) };
+
+ cl::sycl::buffer<char> syclBuffer(::sycl::range<1>(input.size()), syclBufferProperties);
+
+ syclQueue
+ .submit([&](cl::sycl::handler& cgh) {
+ auto accessor = syclBuffer.get_access<cl::sycl::access_mode::discard_write>(cgh);
+ cgh.copy(input.data(), accessor);
+ })
+ .wait_and_throw();
+
+ syclQueue
+ .submit([&](cl::sycl::handler& cgh) {
+ auto accessor = syclBuffer.get_access<cl::sycl::access_mode::write>(cgh);
+ cgh.copy(accessor, output.data());
+ })
+ .wait_and_throw();
+ }
+ catch (cl::sycl::exception& e)
+ {
+ GMX_THROW(InternalError(
+ formatString("Failure while checking data transfer, error was %s", e.what())));
+ }
+}
+
+} // namespace gmx