Bump oneDPL version

Add hipSYCL support in dpl shim

CMakeLists.txt

@@ -95,7 +95,7 @@ if (USE_ONEDPL)
     FetchContent_Declare(
             oneDPL
             GIT_REPOSITORY https://github.com/oneapi-src/oneDPL.git
-            GIT_TAG oneDPL-2021.7.0-release
+            GIT_TAG oneDPL-2022.2.0-rc1
     )
     string(TOLOWER ${USE_ONEDPL} ONEDPL_BACKEND)
     # XXX oneDPL looks for omp instead of openmp, which mismatches(!) with ONEDPL_PAR_BACKEND if using find_package

src/std-indices/dpl_shim.h

@@ -3,10 +3,6 @@
 #include <cstdlib>
 #include <cstddef>
 
-#ifndef ALIGNMENT
-#define ALIGNMENT (2*1024*1024) // 2MB
-#endif
-
 #ifdef USE_ONEDPL
 
 // oneDPL C++17 PSTL
@@ -56,10 +52,20 @@ static constexpr auto exec_policy = std::execution::par_unseq;
 
 #ifdef USE_STD_PTR_ALLOC_DEALLOC
 
-template<typename T>
-T *alloc_raw(size_t size) { return (T *) aligned_alloc(ALIGNMENT, sizeof(T) * size); }
+  #if defined(__HIPSYCL__) || defined(__OPENSYCL__)
+    #include <CL/sycl.hpp>
 
-template<typename T>
-void dealloc_raw(T *ptr) { free(ptr); }
+// TODO We temporarily use malloc_shared/free here for hipSYCL stdpar because there's a linking issue if we let it
+//  hijack new/delete for this to work, we compile with --hipsycl-stdpar-system-usm so that hijacking is disabled
+static cl::sycl::queue queue{cl::sycl::default_selector_v};
+template <typename T> T *alloc_raw(size_t size) { return cl::sycl::malloc_shared<T>(size, queue); }
+template <typename T> void dealloc_raw(T *ptr) { cl::sycl::free(ptr, queue); }
+
+  #else
+
+template <typename T> T *alloc_raw(size_t size) { return static_cast<T *>(std::malloc(size * sizeof(T))); }
+template <typename T> void dealloc_raw(T *ptr) { std::free(ptr); }
+
+  #endif
 
 #endif