interface/alpaka/ESDeviceProductType.h

0001 #ifndef HeterogeneousCore_AlpakaCore_interface_alpaka_ESDeviceProductType_h
0002 #define HeterogeneousCore_AlpakaCore_interface_alpaka_ESDeviceProductType_h
0003
0004 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/ESDeviceProduct.h"
0005 #include "HeterogeneousCore/AlpakaInterface/interface/config.h"
0006
0007 #include <type_traits>
0008
0009 namespace ALPAKA_ACCELERATOR_NAMESPACE::detail {
0010   /**
0011    * This "trait" class abstracts the actual product type put in an
0012    * EventSetup record
0013    */
0014   template <typename TProduct>
0015   struct ESDeviceProductType {
0016     using type = std::conditional_t<std::is_same_v<Platform, alpaka::PlatformCpu>,
0017                                     // host backends can use TProduct directly
0018                                     TProduct,
0019                                     // all device backends need to be wrapped
0020                                     ESDeviceProduct<TProduct>>;
0021   };
0022
0023   template <typename TProduct>
0024   inline constexpr bool useESProductDirectly = std::is_same_v<typename ESDeviceProductType<TProduct>::type, TProduct>;
0025 }  // namespace ALPAKA_ACCELERATOR_NAMESPACE::detail
0026
0027 #endif