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Sep 16, 2021
Merged

Used clang-format off, clang-format on to avoid include reordering #588

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982fcc5
Used clang-format off, clang-format on to avoid include reordering
oleksandr-pavlyk Sep 15, 2021
926dfaa
Added calls to get_device_global_mem_size, get_device_local_mem_size
oleksandr-pavlyk Sep 16, 2021
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4 changes: 4 additions & 0 deletions examples/pybind11/use_dpctl_syclqueue/example.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,9 +25,13 @@

# Pass dpctl.SyclQueue to Pybind11 extension
eu_count = eg.get_max_compute_units(q)
global_mem_size = eg.get_device_global_mem_size(q.sycl_device)
local_mem_size = eg.get_device_local_mem_size(q.sycl_device)

print(f"EU count returned by Pybind11 extension {eu_count}")
print("EU count computed by dpctl {}".format(q.sycl_device.max_compute_units))
print("Device's global memory size: {} bytes".format(global_mem_size))
print("Device's local memory size: {} bytes".format(local_mem_size))

print("")
print("Computing modular reduction using SYCL on a NumPy array")
Expand Down
41 changes: 39 additions & 2 deletions examples/pybind11/use_dpctl_syclqueue/pybind11_example.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,13 @@
#include <pybind11/numpy.h>
#include <pybind11/pybind11.h>

// clang-format off
#include "dpctl_sycl_types.h"
#include "../_sycl_queue.h"
#include "../_sycl_queue_api.h"
#include "dpctl_sycl_types.h"
#include "../_sycl_device.h"
#include "../_sycl_device_api.h"
// clang-format on

namespace py = pybind11;

Expand All @@ -25,6 +29,34 @@ size_t get_max_compute_units(py::object queue)
}
}

uint64_t get_device_global_mem_size(py::object device)
{
PyObject *device_pycapi = device.ptr();
if (PyObject_TypeCheck(device_pycapi, &PySyclDeviceType)) {
DPCTLSyclDeviceRef DRef = get_device_ref(
reinterpret_cast<PySyclDeviceObject *>(device_pycapi));
sycl::device *d_ptr = reinterpret_cast<sycl::device *>(DRef);
return d_ptr->get_info<sycl::info::device::global_mem_size>();
}
else {
throw std::runtime_error("expected dpctl.SyclDevice as argument");
}
}

uint64_t get_device_local_mem_size(py::object device)
{
PyObject *device_pycapi = device.ptr();
if (PyObject_TypeCheck(device_pycapi, &PySyclDeviceType)) {
DPCTLSyclDeviceRef DRef = get_device_ref(
reinterpret_cast<PySyclDeviceObject *>(device_pycapi));
sycl::device *d_ptr = reinterpret_cast<sycl::device *>(DRef);
return d_ptr->get_info<sycl::info::device::local_mem_size>();
}
else {
throw std::runtime_error("expected dpctl.SyclDevice as argument");
}
}

py::array_t<int64_t>
offloaded_array_mod(py::object queue,
py::array_t<int64_t, py::array::c_style> array,
Expand Down Expand Up @@ -82,11 +114,16 @@ offloaded_array_mod(py::object queue,

PYBIND11_MODULE(pybind11_example, m)
{
// Import the dpctl._sycl_queue extension
// Import the dpctl._sycl_queue, dpctl._sycl_device extensions
import_dpctl___sycl_device();
import_dpctl___sycl_queue();
m.def("get_max_compute_units", &get_max_compute_units,
"Computes max_compute_units property of the device underlying given "
"dpctl.SyclQueue");
m.def("get_device_global_mem_size", &get_device_global_mem_size,
"Computes amount of global memory of the given dpctl.SyclDevice");
m.def("get_device_local_mem_size", &get_device_local_mem_size,
"Computes amount of local memory of the given dpctl.SyclDevice");
m.def("offloaded_array_mod", &offloaded_array_mod,
"Compute offloaded modular reduction of integer-valued NumPy array");
}