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36 * \brief Defines helper functionality for device transfers for tests
37 * for GPU host allocator.
39 * \author Andrey Alekseenko <al42and@gmail.com>
43 #include "gromacs/gpu_utils/gmxsycl.h"
44 #include "gromacs/hardware/device_information.h"
45 #include "gromacs/utility/arrayref.h"
46 #include "gromacs/utility/exceptions.h"
47 #include "gromacs/utility/gmxassert.h"
48 #include "gromacs/utility/stringutil.h"
50 #include "devicetransfers.h"
55 void doDeviceTransfers(const DeviceInformation& deviceInfo, ArrayRef<const char> input, ArrayRef<char> output)
57 GMX_RELEASE_ASSERT(input.size() == output.size(), "Input and output must have matching size");
61 cl::sycl::queue syclQueue(deviceInfo.syclDevice);
63 cl::sycl::property_list syclBufferProperties{ cl::sycl::property::buffer::context_bound(
64 syclQueue.get_context()) };
66 cl::sycl::buffer<char> syclBuffer(::sycl::range<1>(input.size()), syclBufferProperties);
69 .submit([&](cl::sycl::handler& cgh) {
70 auto accessor = syclBuffer.get_access<cl::sycl::access_mode::discard_write>(cgh);
71 cgh.copy(input.data(), accessor);
76 .submit([&](cl::sycl::handler& cgh) {
77 auto accessor = syclBuffer.get_access<cl::sycl::access_mode::write>(cgh);
78 cgh.copy(accessor, output.data());
82 catch (cl::sycl::exception& e)
84 GMX_THROW(InternalError(
85 formatString("Failure while checking data transfer, error was %s", e.what())));