Remove useless namespace.

Author: Hanyu-Jin

src/sycl/TripleOps.cpp

@@ -111,8 +111,8 @@ void get_config(
     int64_t& wg_size,
     int64_t& num_group,
     int& vec_size) {
-    auto dev_id = torch_ipex::xpu::dpcpp::dpcppGetDeviceIdOfCurrentQueue();
-    int64_t max_wg_size = torch_ipex::xpu::dpcpp::dpcppMaxWorkGroupSize(dev_id);
+    auto dev_id = dpcppGetDeviceIdOfCurrentQueue();
+    int64_t max_wg_size = dpcppMaxWorkGroupSize(dev_id);
     numel = out.numel();
     dim = out.size(-1);
     int64_t tokens = numel/dim;

src/sycl/Utils.h

@@ -8,8 +8,6 @@
 
 using namespace at;
 
-namespace torch_ipex::xpu {
-namespace dpcpp {
 using DeviceId = at::DeviceIndex;
 
 static inline DeviceId dpcppGetDeviceIdOfCurrentQueue() {
@@ -201,7 +199,4 @@ uint32_t dpcppNativeVectorWidth(
   }
   throw std::invalid_argument(
       "Invalid data type to fetch native vector width!");
-}
-
-} // namespace dpcpp
-} // namespace torch_ipex::xpu
+}