Leave is_host() call with old compiler only (#1224)

* Leave is_host() call with old compiler only

* Incremented 2023-SWITCHOVER timestamp

Author: antonwolfy

dpnp/backend/src/dpnp_utils.hpp

@@ -1,5 +1,5 @@
 //*****************************************************************************
-// Copyright (c) 2016-2020, Intel Corporation
+// Copyright (c) 2016-2022, Intel Corporation
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,15 @@
     (__LIBSYCL_MAJOR_VERSION > major) || (__LIBSYCL_MAJOR_VERSION == major and __LIBSYCL_MINOR_VERSION > minor) ||     \
         (__LIBSYCL_MAJOR_VERSION == major and __LIBSYCL_MINOR_VERSION == minor and __LIBSYCL_PATCH_VERSION >= patch)
 
+/**
+ * Version of SYCL DPC++ 2023 compiler at which transition to SYCL 2020 occurs.
+ * Intel(R) oneAPI DPC++ 2022.2.1 compiler has version 20221020L on Linux and
+ * 20221101L on Windows.
+ */
+#ifndef __SYCL_COMPILER_2023_SWITCHOVER
+#define __SYCL_COMPILER_2023_SWITCHOVER 20221102L
+#endif
+
 /**
  * @defgroup BACKEND_UTILS Backend C++ library utilities
  * @{

dpnp/backend/src/dpnpc_memory_adapter.hpp

@@ -1,5 +1,5 @@
 //*****************************************************************************
-// Copyright (c) 2016-2020, Intel Corporation
+// Copyright (c) 2016-2022, Intel Corporation
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -28,6 +28,7 @@
 #define DPNP_MEMORY_ADAPTER_H
 
 #include "queue_sycl.hpp"
+#include "dpnp_utils.hpp"
 
 /**
  * @ingroup BACKEND_UTILS
@@ -84,8 +85,10 @@ class DPNPC_ptr_adapter final
             std::cerr << "\n\t size_in_bytes=" << size_in_bytes;
             std::cerr << "\n\t pointer type=" << (long)src_ptr_type;
             std::cerr << "\n\t queue inorder=" << queue.is_in_order();
+#if (__SYCL_COMPILER_VERSION < __SYCL_COMPILER_2023_SWITCHOVER)
             std::cerr << "\n\t queue is_host=" << queue.is_host();
             std::cerr << "\n\t queue device is_host=" << queue.get_device().is_host();
+#endif
             std::cerr << "\n\t queue device is_cpu=" << queue.get_device().is_cpu();
             std::cerr << "\n\t queue device is_gpu=" << queue.get_device().is_gpu();
             std::cerr << "\n\t queue device is_accelerator=" << queue.get_device().is_accelerator();

dpnp/backend/src/queue_sycl.cpp

@@ -29,6 +29,7 @@
 
 #include <dpnp_iface.hpp>
 #include "queue_sycl.hpp"
+#include "dpnp_utils.hpp"
 
 #if defined(DPNP_LOCAL_QUEUE)
 sycl::queue* backend_sycl::queue = nullptr;
@@ -211,10 +212,14 @@ bool backend_sycl::backend_sycl_is_cpu()
 {
     sycl::queue& qptr = get_queue();
 
-    if (qptr.is_host() || qptr.get_device().is_cpu() || qptr.get_device().is_host())
-    {
+    if (qptr.get_device().is_cpu()) {
+        return true;
+    }
+#if (__SYCL_COMPILER_VERSION < __SYCL_COMPILER_2023_SWITCHOVER)
+    else if (qptr.is_host() || qptr.get_device().is_host()) {
         return true;
     }
+#endif
 
     return false;
 }