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Put attach/detach buffer back in for TensorDeviceSycl.

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Also added a test to verify the original buffer is updated correctly.
This commit is contained in:
Antonio Sanchez 2021-07-09 09:41:37 -07:00
parent beea14a18f
commit 9c22795d65
2 changed files with 35 additions and 0 deletions
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9
unsupported/Eigen/CXX11/src/Tensor/TensorDeviceSycl.h
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@ -962,6 +962,15 @@ struct SyclDevice : public SyclDeviceBase {
return queue_stream()->get(data);
}
/// attach existing buffer
EIGEN_STRONG_INLINE void *attach_buffer(
cl::sycl::buffer<buffer_scalar_t, 1> &buf) const {
return queue_stream()->attach_buffer(buf);
}
/// detach buffer
EIGEN_STRONG_INLINE void detach_buffer(void *p) const {
queue_stream()->detach_buffer(p);
}
EIGEN_STRONG_INLINE ptrdiff_t get_offset(const void *ptr) const {
return queue_stream()->get_offset(ptr);
}

26
unsupported/test/cxx11_tensor_device_sycl.cpp
View File

@ -68,6 +68,31 @@ void test_device_exceptions(const Eigen::SyclDevice &sycl_device) {
sycl_device.deallocate(gpu_data);
}
template<typename DataType, int DataLayout, typename IndexType>
void test_device_attach_buffer(const Eigen::SyclDevice &sycl_device) {
IndexType sizeDim1 = 100;
array<IndexType, 1> tensorRange = {{sizeDim1}};
Tensor<DataType, 1, DataLayout, IndexType> in(tensorRange);
cl::sycl::buffer<buffer_scalar_t, 1> buffer(cl::sycl::range<1>(sizeDim1 * sizeof(DataType)));
DataType* gpu_in_data = static_cast<DataType*>(sycl_device.attach_buffer(buffer));
// fill
DataType value = DataType(7);
std::fill_n(in.data(), in.size(), value);
sycl_device.fill(gpu_in_data, gpu_in_data + in.size(), value);
// Check that buffer is filled with the correct value.
auto reint = buffer.reinterpret<DataType>(cl::sycl::range<1>(sizeDim1));
auto access = reint.template get_access<cl::sycl::access::mode::read>();
for (IndexType i=0; i<in.size(); i++) {
VERIFY_IS_EQUAL(in(i), access[i]);
}
sycl_device.detach_buffer(gpu_in_data);
}
template<typename DataType> void sycl_device_test_per_device(const cl::sycl::device& d){
std::cout << "Running on " << d.template get_info<cl::sycl::info::device::name>() << std::endl;
QueueInterface queueInterface(d);
@ -78,6 +103,7 @@ template<typename DataType> void sycl_device_test_per_device(const cl::sycl::dev
//test_device_exceptions<DataType, RowMajor>(sycl_device);
/// this test throw an exception. enable it if you want to see the exception
//test_device_exceptions<DataType, ColMajor>(sycl_device);
test_device_attach_buffer<DataType, ColMajor, int64_t>(sycl_device);
}
EIGEN_DECLARE_TEST(cxx11_tensor_device_sycl) {