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Kokkos_Atomics_Desul_Wrapper.hpp
1 //@HEADER
2 // ************************************************************************
3 //
4 // Kokkos v. 4.0
5 // Copyright (2022) National Technology & Engineering
6 // Solutions of Sandia, LLC (NTESS).
7 //
8 // Under the terms of Contract DE-NA0003525 with NTESS,
9 // the U.S. Government retains certain rights in this software.
10 //
11 // Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
12 // See https://kokkos.org/LICENSE for license information.
13 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
14 //
15 //@HEADER
16 
17 #ifndef KOKKOS_IMPL_PUBLIC_INCLUDE
18 #include <Kokkos_Macros.hpp>
19 static_assert(false,
20  "Including non-public Kokkos header files is not allowed.");
21 #endif
22 #ifndef KOKKOS_DESUL_ATOMICS_WRAPPER_HPP_
23 #define KOKKOS_DESUL_ATOMICS_WRAPPER_HPP_
24 #include <Kokkos_Macros.hpp>
25 #include <desul/atomics.hpp>
26 
27 #include <impl/Kokkos_Utilities.hpp> // identity_type
28 #include <impl/Kokkos_Volatile_Load.hpp>
29 
30 namespace Kokkos {
31 
32 #ifdef KOKKOS_ENABLE_DEPRECATED_CODE_4
33 KOKKOS_DEPRECATED inline const char* atomic_query_version() {
34  return "KOKKOS_DESUL_ATOMICS";
35 }
36 #endif
37 
38 #if defined(KOKKOS_COMPILER_GNU) && !defined(__PGIC__) && \
39  !defined(__CUDA_ARCH__)
40 
41 #define KOKKOS_NONTEMPORAL_PREFETCH_LOAD(addr) __builtin_prefetch(addr, 0, 0)
42 #define KOKKOS_NONTEMPORAL_PREFETCH_STORE(addr) __builtin_prefetch(addr, 1, 0)
43 
44 #else
45 
46 #define KOKKOS_NONTEMPORAL_PREFETCH_LOAD(addr) ((void)0)
47 #define KOKKOS_NONTEMPORAL_PREFETCH_STORE(addr) ((void)0)
48 
49 #endif
50 // ============================================================
51 
52 #ifdef KOKKOS_ENABLE_ATOMICS_BYPASS
53 #define KOKKOS_DESUL_MEM_SCOPE desul::MemoryScopeCaller()
54 #else
55 #define KOKKOS_DESUL_MEM_SCOPE desul::MemoryScopeDevice()
56 #endif
57 
58 namespace Impl {
59 template <class T>
60 using not_deduced_atomic_t =
61  std::add_const_t<std::remove_volatile_t<type_identity_t<T>>>;
62 
63 template <class T, class R>
64 using enable_if_atomic_t =
65  std::enable_if_t<!std::is_reference_v<T> && !std::is_const_v<T>,
66  std::remove_volatile_t<R>>;
67 } // namespace Impl
68 
69 // clang-format off
70 
71 // fences
72 KOKKOS_INLINE_FUNCTION void memory_fence() { desul::atomic_thread_fence(desul::MemoryOrderSeqCst(), KOKKOS_DESUL_MEM_SCOPE); }
73 KOKKOS_INLINE_FUNCTION void load_fence() { desul::atomic_thread_fence(desul::MemoryOrderAcquire(), KOKKOS_DESUL_MEM_SCOPE); }
74 KOKKOS_INLINE_FUNCTION void store_fence() { desul::atomic_thread_fence(desul::MemoryOrderRelease(), KOKKOS_DESUL_MEM_SCOPE); }
75 
76 // load/store
77 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_load (T const* ptr) { return desul::atomic_load (const_cast<std::remove_volatile_t<T>*>(ptr), desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
78 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_store(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_store(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
79 #ifdef KOKKOS_ENABLE_DEPRECATED_CODE_4
80 template<class T> KOKKOS_DEPRECATED_WITH_COMMENT("Use atomic_store() instead!") KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_assign(T* ptr, Impl::not_deduced_atomic_t<T> val) { atomic_store(ptr, val); }
81 #endif
82 
83 // atomic_fetch_op
84 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_add(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_add(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
85 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_sub(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_sub(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
86 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_max(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_max(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
87 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_min(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_min(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
88 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_mul(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_mul(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
89 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_div(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_div(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
90 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_mod(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_mod(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
91 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_and(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_and(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
92 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_or (T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_or (const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
93 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_xor(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_xor(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
94 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_nand(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_nand(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
95 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_lshift(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_lshift(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
96 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_rshift(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_fetch_rshift(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
97 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_inc(T* ptr) { return desul::atomic_fetch_inc(const_cast<std::remove_volatile_t<T>*>(ptr), desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
98 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_fetch_dec(T* ptr) { return desul::atomic_fetch_dec(const_cast<std::remove_volatile_t<T>*>(ptr), desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
99 
100 // atomic_op_fetch
101 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_add_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_add_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
102 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_sub_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_sub_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
103 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_max_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_max_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
104 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_min_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_min_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
105 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_mul_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_mul_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
106 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_div_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_div_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
107 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_mod_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_mod_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
108 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_and_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_and_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
109 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_or_fetch (T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_or_fetch (const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
110 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_xor_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_xor_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
111 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_nand_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_nand_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
112 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_lshift_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_lshift_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
113 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_rshift_fetch(T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_rshift_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
114 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_inc_fetch(T* ptr) { return desul::atomic_inc_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
115 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_dec_fetch(T* ptr) { return desul::atomic_dec_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
116 
117 // atomic_op
118 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_add(T* ptr, Impl::not_deduced_atomic_t<T> val) { desul::atomic_add(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
119 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_sub(T* ptr, Impl::not_deduced_atomic_t<T> val) { desul::atomic_sub(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
120 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_max(T* ptr, Impl::not_deduced_atomic_t<T> val) { desul::atomic_max(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
121 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_min(T* ptr, Impl::not_deduced_atomic_t<T> val) { desul::atomic_min(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
122 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_mul(T* ptr, Impl::not_deduced_atomic_t<T> val) { desul::atomic_mul(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
123 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_div(T* ptr, Impl::not_deduced_atomic_t<T> val) { desul::atomic_div(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
124 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_mod(T* ptr, Impl::not_deduced_atomic_t<T> val) { (void)desul::atomic_fetch_mod(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
125 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_and(T* ptr, Impl::not_deduced_atomic_t<T> val) { (void)desul::atomic_fetch_and(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
126 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_or (T* ptr, Impl::not_deduced_atomic_t<T> val) { (void)desul::atomic_fetch_or (const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
127 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_xor(T* ptr, Impl::not_deduced_atomic_t<T> val) { (void)desul::atomic_fetch_xor(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
128 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_nand(T* ptr, Impl::not_deduced_atomic_t<T> val) { (void)desul::atomic_nand_fetch(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
129 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_lshift(T* ptr, Impl::not_deduced_atomic_t<T> val) { (void)desul::atomic_fetch_lshift(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
130 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_rshift(T* ptr, Impl::not_deduced_atomic_t<T> val) { (void)desul::atomic_fetch_rshift(const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
131 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_inc(T* ptr) { desul::atomic_inc(const_cast<std::remove_volatile_t<T>*>(ptr), desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
132 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_dec(T* ptr) { desul::atomic_dec(const_cast<std::remove_volatile_t<T>*>(ptr), desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
133 #ifdef KOKKOS_ENABLE_DEPRECATED_CODE_4
134 template<class T> KOKKOS_DEPRECATED_WITH_COMMENT("Use atomic_inc() instead!") KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_increment(T* ptr) { atomic_inc(ptr); }
135 template<class T> KOKKOS_DEPRECATED_WITH_COMMENT("Use atomic_dec() instead!") KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, void> atomic_decrement(T* ptr) { atomic_dec(ptr); }
136 #endif
137 
138 // exchange
139 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_exchange (T* ptr, Impl::not_deduced_atomic_t<T> val) { return desul::atomic_exchange (const_cast<std::remove_volatile_t<T>*>(ptr), val, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
140 template<class T> KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, T> atomic_compare_exchange(T* ptr, Impl::not_deduced_atomic_t<T> expected, Impl::not_deduced_atomic_t<T> desired) { return desul::atomic_compare_exchange(const_cast<std::remove_volatile_t<T>*>(ptr), expected, desired, desul::MemoryOrderRelaxed(), KOKKOS_DESUL_MEM_SCOPE); }
141 #ifdef KOKKOS_ENABLE_DEPRECATED_CODE_4
142 template<class T> KOKKOS_DEPRECATED_WITH_COMMENT("Use atomic_compare_exchange() instead!") KOKKOS_FUNCTION Impl::enable_if_atomic_t<T, bool> atomic_compare_exchange_strong(T* ptr, Impl::not_deduced_atomic_t<T> expected, Impl::not_deduced_atomic_t<T> desired) { return expected == atomic_compare_exchange(ptr, expected, desired); }
143 #endif
144 
145 // clang-format on
146 } // namespace Kokkos
147 
148 namespace Kokkos::Impl {
149 
150 template <class T, class MemOrderSuccess, class MemOrderFailure>
151 KOKKOS_FUNCTION bool atomic_compare_exchange_strong(T* const dest, T& expected,
152  const T desired,
153  MemOrderSuccess succ,
154  MemOrderFailure fail) {
155  return desul::atomic_compare_exchange_strong(dest, expected, desired, succ,
156  fail, KOKKOS_DESUL_MEM_SCOPE);
157 }
158 
159 template <class T, class MemoryOrder>
160 KOKKOS_FUNCTION T atomic_load(const T* const src, MemoryOrder order) {
161  return desul::atomic_load(src, order, KOKKOS_DESUL_MEM_SCOPE);
162 }
163 
164 template <class T, class MemoryOrder>
165 KOKKOS_FUNCTION void atomic_store(T* const src, const T val,
166  MemoryOrder order) {
167  return desul::atomic_store(src, val, order, KOKKOS_DESUL_MEM_SCOPE);
168 }
169 
170 } // namespace Kokkos::Impl
171 
172 #undef KOKKOS_DESUL_MEM_SCOPE
173 
174 #endif