CoolerView

Header File: Kokkos_Core.hpp

Description

Interface

template<class DataType, class ...Traits>
class CoolerView

Template Parameters

Template Parameters:

Foo – Description of the Foo template parameter

Parameters

Param bar:

Description of the bar parameter

Public Types

data_type

Some interesting description of the type and how to use it.

Static Public Member Variables

int some_var = 5;

Description of some_var

See also

The frobrnicator() free function.

Constructors

CoolerView(CoolerView &&rhs)

Whether it’s a move/copy/default constructor. Describe what it does.

Destructor

~CoolerView()

Performs some special operation when destroyed.

Public Member Functions

template<class U>
foo(U x)

Brief description of the function.

Template Parameters:

U – Description of U

Param:

description of x

Changed in version 3.7.1: What changed between versions: e.g. Only takes one parameter for foo-style operations instead of two.

[[deprecated("in version 4.0.1")]] foobar

Represents the foobar capability.

Deprecated since version 4.0.1: Use foobat instead.

foobat

A better version of foobar.

New in version 4.0.1.

Non-Member Functions

template<class ViewSrc>
bool operator==(CoolerView, ViewSrc);

Template Parameters:

ViewDst – the other

Returns:

true if View::value_type, View::array_layout, View::memory_space, View::rank, View::data() and View::extent(r), for 0 <= r < rank, match.

void frobrnicator(CoolerView &v) noexcept

Param:

v the CoolerView to frobnicate

Frobnicates a CoolerView.

Examples

#include <Kokkos_Core.hpp>
#include <cstdio>

int main(int argc, char* argv[]) {
   Kokkos::initialize(argc,argv);

   int N0 = atoi(argv[1]);
   int N1 = atoi(argv[2]);

   Kokkos::View<double*> a("A",N0);
   Kokkos::View<double*> b("B",N1);

   Kokkos::parallel_for("InitA", N0, KOKKOS_LAMBDA (const int& i) {
     a(i) = i;
   });

   Kokkos::parallel_for("InitB", N1, KOKKOS_LAMBDA (const int& i) {
     b(i) = i;
   });

   Kokkos::View<double**,Kokkos::LayoutLeft> c("C",N0,N1);
   {
     Kokkos::View<const double*> const_a(a);
     Kokkos::View<const double*> const_b(b);
     Kokkos::parallel_for("SetC", Kokkos::MDRangePolicy<Kokkos::Rank<2,Kokkos::Iterate::Left>>({0,0},{N0,N1}),
       KOKKOS_LAMBDA (const int& i0, const int& i1) {
       c(i0,i1) = a(i0) * b(i1);
     });
   }

   Kokkos::finalize();
}