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lammps/lib/kokkos/containers/unit_tests/TestOffsetView.hpp
2020-12-22 08:52:37 -07:00

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//@HEADER
// ************************************************************************
//
// Kokkos v. 3.0
// Copyright (2020) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
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//@HEADER
/*
* FIXME the OffsetView class is really not very well tested.
*/
#ifndef CONTAINERS_UNIT_TESTS_TESTOFFSETVIEW_HPP_
#define CONTAINERS_UNIT_TESTS_TESTOFFSETVIEW_HPP_
#include <gtest/gtest.h>
#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <impl/Kokkos_Timer.hpp>
#include <Kokkos_OffsetView.hpp>
#include <KokkosExp_MDRangePolicy.hpp>
using std::cout;
using std::endl;
namespace Test {
template <typename Scalar, typename Device>
void test_offsetview_construction() {
using offset_view_type = Kokkos::Experimental::OffsetView<Scalar**, Device>;
using view_type = Kokkos::View<Scalar**, Device>;
Kokkos::Experimental::index_list_type range0 = {-1, 3};
Kokkos::Experimental::index_list_type range1 = {-2, 2};
{
offset_view_type o1;
ASSERT_FALSE(o1.is_allocated());
o1 = offset_view_type("o1", range0, range1);
offset_view_type o2(o1);
offset_view_type o3("o3", range0, range1);
ASSERT_TRUE(o1.is_allocated());
ASSERT_TRUE(o2.is_allocated());
ASSERT_TRUE(o3.is_allocated());
}
offset_view_type ov("firstOV", range0, range1);
ASSERT_EQ("firstOV", ov.label());
ASSERT_EQ(2, ov.Rank);
ASSERT_EQ(ov.begin(0), -1);
ASSERT_EQ(ov.end(0), 4);
ASSERT_EQ(ov.begin(1), -2);
ASSERT_EQ(ov.end(1), 3);
ASSERT_EQ(ov.extent(0), 5);
ASSERT_EQ(ov.extent(1), 5);
#if defined(KOKKOS_ENABLE_CUDA_LAMBDA) || !defined(KOKKOS_ENABLE_CUDA)
{
Kokkos::Experimental::OffsetView<Scalar*, Device> offsetV1("OneDOffsetView",
range0);
Kokkos::RangePolicy<Device, int> rangePolicy1(offsetV1.begin(0),
offsetV1.end(0));
Kokkos::parallel_for(
rangePolicy1, KOKKOS_LAMBDA(const int i) { offsetV1(i) = 1; });
Kokkos::fence();
int OVResult = 0;
Kokkos::parallel_reduce(
rangePolicy1,
KOKKOS_LAMBDA(const int i, int& updateMe) { updateMe += offsetV1(i); },
OVResult);
Kokkos::fence();
ASSERT_EQ(OVResult, offsetV1.end(0) - offsetV1.begin(0))
<< "found wrong number of elements in OffsetView that was summed.";
}
{ // test deep copy of scalar const value into mirro
const int constVal = 6;
typename offset_view_type::HostMirror hostOffsetView =
Kokkos::create_mirror_view(ov);
Kokkos::deep_copy(hostOffsetView, constVal);
for (int i = hostOffsetView.begin(0); i < hostOffsetView.end(0); ++i) {
for (int j = hostOffsetView.begin(1); j < hostOffsetView.end(1); ++j) {
ASSERT_EQ(hostOffsetView(i, j), constVal)
<< "Bad data found in OffsetView";
}
}
}
// FIXME_SYCL requires MDRange policy
#ifndef KOKKOS_ENABLE_SYCL
const int ovmin0 = ov.begin(0);
const int ovend0 = ov.end(0);
const int ovmin1 = ov.begin(1);
const int ovend1 = ov.end(1);
using range_type =
Kokkos::MDRangePolicy<Device, Kokkos::Rank<2>, Kokkos::IndexType<int> >;
using point_type = typename range_type::point_type;
range_type rangePolicy2D(point_type{{ovmin0, ovmin1}},
point_type{{ovend0, ovend1}});
const int constValue = 9;
Kokkos::parallel_for(
rangePolicy2D,
KOKKOS_LAMBDA(const int i, const int j) { ov(i, j) = constValue; });
// test offsetview to offsetviewmirror deep copy
typename offset_view_type::HostMirror hostOffsetView =
Kokkos::create_mirror_view(ov);
Kokkos::deep_copy(hostOffsetView, ov);
for (int i = hostOffsetView.begin(0); i < hostOffsetView.end(0); ++i) {
for (int j = hostOffsetView.begin(1); j < hostOffsetView.end(1); ++j) {
ASSERT_EQ(hostOffsetView(i, j), constValue)
<< "Bad data found in OffsetView";
}
}
int OVResult = 0;
Kokkos::parallel_reduce(
rangePolicy2D,
KOKKOS_LAMBDA(const int i, const int j, int& updateMe) {
updateMe += ov(i, j);
},
OVResult);
int answer = 0;
for (int i = ov.begin(0); i < ov.end(0); ++i) {
for (int j = ov.begin(1); j < ov.end(1); ++j) {
answer += constValue;
}
}
ASSERT_EQ(OVResult, answer) << "Bad data found in OffsetView";
#endif
#endif
{
offset_view_type ovCopy(ov);
ASSERT_EQ(ovCopy == ov, true)
<< "Copy constructor or equivalence operator broken";
}
{
offset_view_type ovAssigned = ov;
ASSERT_EQ(ovAssigned == ov, true)
<< "Assignment operator or equivalence operator broken";
}
{ // construct OffsetView from a View plus begins array
const int extent0 = 100;
const int extent1 = 200;
const int extent2 = 300;
Kokkos::View<Scalar***, Device> view3D("view3D", extent0, extent1, extent2);
Kokkos::deep_copy(view3D, 1);
using range3_type = Kokkos::MDRangePolicy<Device, Kokkos::Rank<3>,
Kokkos::IndexType<int64_t> >;
using point3_type = typename range3_type::point_type;
typename point3_type::value_type begins0 = -10, begins1 = -20,
begins2 = -30;
Kokkos::Array<int64_t, 3> begins = {{begins0, begins1, begins2}};
Kokkos::Experimental::OffsetView<Scalar***, Device> offsetView3D(view3D,
begins);
range3_type rangePolicy3DZero(point3_type{{0, 0, 0}},
point3_type{{extent0, extent1, extent2}});
#if defined(KOKKOS_ENABLE_CUDA_LAMBDA) || !defined(KOKKOS_ENABLE_CUDA)
// FIXME_SYCL requires MDRange policy
#ifdef KOKKOS_ENABLE_SYCL
int view3DSum = 0;
Kokkos::parallel_reduce(
rangePolicy3DZero,
KOKKOS_LAMBDA(const int i, const int j, int k, int& updateMe) {
updateMe += view3D(i, j, k);
},
view3DSum);
range3_type rangePolicy3D(
point3_type{{begins0, begins1, begins2}},
point3_type{{begins0 + extent0, begins1 + extent1, begins2 + extent2}});
int offsetView3DSum = 0;
Kokkos::parallel_reduce(
rangePolicy3D,
KOKKOS_LAMBDA(const int i, const int j, int k, int& updateMe) {
updateMe += offsetView3D(i, j, k);
},
offsetView3DSum);
ASSERT_EQ(view3DSum, offsetView3DSum)
<< "construction of OffsetView from View and begins array broken.";
#endif
#endif
}
view_type viewFromOV = ov.view();
ASSERT_EQ(viewFromOV == ov, true)
<< "OffsetView::view() or equivalence operator View == OffsetView broken";
{
offset_view_type ovFromV(viewFromOV, {-1, -2});
ASSERT_EQ(ovFromV == viewFromOV, true)
<< "Construction of OffsetView from View or equivalence operator "
"OffsetView == View broken";
}
{
offset_view_type ovFromV = viewFromOV;
ASSERT_EQ(ovFromV == viewFromOV, true)
<< "Construction of OffsetView from View by assignment (implicit "
"conversion) or equivalence operator OffsetView == View broken";
}
{ // test offsetview to view deep copy
view_type aView("aView", ov.extent(0), ov.extent(1));
Kokkos::deep_copy(aView, ov);
#if defined(KOKKOS_ENABLE_CUDA_LAMBDA) || !defined(KOKKOS_ENABLE_CUDA)
// FIXME_SYCL requires MDRange policy
#ifndef KOKKOS_ENABLE_SYCL
int sum = 0;
Kokkos::parallel_reduce(
rangePolicy2D,
KOKKOS_LAMBDA(const int i, const int j, int& updateMe) {
updateMe += ov(i, j) - aView(i - ov.begin(0), j - ov.begin(1));
},
sum);
ASSERT_EQ(sum, 0) << "deep_copy(view, offsetView) broken.";
#endif
#endif
}
{ // test view to offsetview deep copy
view_type aView("aView", ov.extent(0), ov.extent(1));
Kokkos::deep_copy(aView, 99);
Kokkos::deep_copy(ov, aView);
#if defined(KOKKOS_ENABLE_CUDA_LAMBDA) || !defined(KOKKOS_ENABLE_CUDA)
// FIXME_SYCL requires MDRange policy
#ifndef KOKKOS_ENABLE_SYCL
int sum = 0;
Kokkos::parallel_reduce(
rangePolicy2D,
KOKKOS_LAMBDA(const int i, const int j, int& updateMe) {
updateMe += ov(i, j) - aView(i - ov.begin(0), j - ov.begin(1));
},
sum);
ASSERT_EQ(sum, 0) << "deep_copy(offsetView, view) broken.";
#endif
#endif
}
}
template <typename Scalar, typename Device>
void test_offsetview_unmanaged_construction() {
// Preallocated memory (Only need a valid address for this test)
Scalar s;
{
// Constructing an OffsetView directly around our preallocated memory
Kokkos::Array<int64_t, 1> begins1{{2}};
Kokkos::Array<int64_t, 1> ends1{{3}};
Kokkos::Experimental::OffsetView<Scalar*, Device> ov1(&s, begins1, ends1);
// Constructing an OffsetView around an unmanaged View of our preallocated
// memory
Kokkos::View<Scalar*, Device> v1(&s, ends1[0] - begins1[0]);
Kokkos::Experimental::OffsetView<Scalar*, Device> ovv1(v1, begins1);
// They should match
ASSERT_EQ(ovv1, ov1)
<< "OffsetView unmanaged construction fails for rank 1";
}
{
Kokkos::Array<int64_t, 2> begins2{{-2, -7}};
Kokkos::Array<int64_t, 2> ends2{{5, -3}};
Kokkos::Experimental::OffsetView<Scalar**, Device> ov2(&s, begins2, ends2);
Kokkos::View<Scalar**, Device> v2(&s, ends2[0] - begins2[0],
ends2[1] - begins2[1]);
Kokkos::Experimental::OffsetView<Scalar**, Device> ovv2(v2, begins2);
ASSERT_EQ(ovv2, ov2)
<< "OffsetView unmanaged construction fails for rank 2";
}
{
Kokkos::Array<int64_t, 3> begins3{{2, 3, 5}};
Kokkos::Array<int64_t, 3> ends3{{7, 11, 13}};
Kokkos::Experimental::OffsetView<Scalar***, Device> ovv3(&s, begins3,
ends3);
Kokkos::View<Scalar***, Device> v3(&s, ends3[0] - begins3[0],
ends3[1] - begins3[1],
ends3[2] - begins3[2]);
Kokkos::Experimental::OffsetView<Scalar***, Device> ov3(v3, begins3);
ASSERT_EQ(ovv3, ov3)
<< "OffsetView unmanaged construction fails for rank 3";
}
{
// Test all four public constructor overloads (begins_type x
// index_list_type)
Kokkos::Array<int64_t, 1> begins{{-3}};
Kokkos::Array<int64_t, 1> ends{{2}};
Kokkos::Experimental::OffsetView<Scalar*, Device> bb(&s, begins, ends);
Kokkos::Experimental::OffsetView<Scalar*, Device> bi(&s, begins, {2});
Kokkos::Experimental::OffsetView<Scalar*, Device> ib(&s, {-3}, ends);
Kokkos::Experimental::OffsetView<Scalar*, Device> ii(&s, {-3}, {2});
ASSERT_EQ(bb, bi);
ASSERT_EQ(bb, ib);
ASSERT_EQ(bb, ii);
}
#ifdef KOKKOS_ACTIVE_EXECUTION_MEMORY_SPACE_HOST
{
using offset_view_type = Kokkos::Experimental::OffsetView<Scalar*, Device>;
// Range calculations must be positive
ASSERT_NO_THROW(offset_view_type(&s, {0}, {1}));
ASSERT_NO_THROW(offset_view_type(&s, {0}, {0}));
ASSERT_THROW(offset_view_type(&s, {0}, {-1}), std::runtime_error);
}
{
using offset_view_type = Kokkos::Experimental::OffsetView<Scalar*, Device>;
// Range calculations must not overflow
ASSERT_NO_THROW(offset_view_type(&s, {0}, {0x7fffffffffffffffl}));
ASSERT_THROW(offset_view_type(&s, {-1}, {0x7fffffffffffffffl}),
std::runtime_error);
ASSERT_THROW(
offset_view_type(&s, {-0x7fffffffffffffffl - 1}, {0x7fffffffffffffffl}),
std::runtime_error);
ASSERT_THROW(offset_view_type(&s, {-0x7fffffffffffffffl - 1}, {0}),
std::runtime_error);
}
{
using offset_view_type = Kokkos::Experimental::OffsetView<Scalar**, Device>;
// Should throw when the rank of begins and/or ends doesn't match that of
// OffsetView
ASSERT_THROW(offset_view_type(&s, {0}, {1}), std::runtime_error);
ASSERT_THROW(offset_view_type(&s, {0}, {1, 1}), std::runtime_error);
ASSERT_THROW(offset_view_type(&s, {0}, {1, 1, 1}), std::runtime_error);
ASSERT_THROW(offset_view_type(&s, {0, 0}, {1}), std::runtime_error);
ASSERT_NO_THROW(offset_view_type(&s, {0, 0}, {1, 1}));
ASSERT_THROW(offset_view_type(&s, {0, 0}, {1, 1, 1}), std::runtime_error);
ASSERT_THROW(offset_view_type(&s, {0, 0, 0}, {1}), std::runtime_error);
ASSERT_THROW(offset_view_type(&s, {0, 0, 0}, {1, 1}), std::runtime_error);
ASSERT_THROW(offset_view_type(&s, {0, 0, 0}, {1, 1, 1}),
std::runtime_error);
}
#endif // KOKKOS_ACTIVE_EXECUTION_MEMORY_SPACE_HOST
}
template <typename Scalar, typename Device>
void test_offsetview_subview() {
{ // test subview 1
Kokkos::Experimental::OffsetView<Scalar*, Device> sliceMe("offsetToSlice",
{-10, 20});
{
auto offsetSubviewa = Kokkos::Experimental::subview(sliceMe, 0);
ASSERT_EQ(offsetSubviewa.Rank, 0) << "subview of offset is broken.";
}
}
{ // test subview 2
Kokkos::Experimental::OffsetView<Scalar**, Device> sliceMe(
"offsetToSlice", {-10, 20}, {-20, 30});
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, Kokkos::ALL(), -2);
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, 0, Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
}
{ // test subview rank 3
Kokkos::Experimental::OffsetView<Scalar***, Device> sliceMe(
"offsetToSlice", {-10, 20}, {-20, 30}, {-30, 40});
// slice 1
{
auto offsetSubview = Kokkos::Experimental::subview(sliceMe, Kokkos::ALL(),
Kokkos::ALL(), 0);
ASSERT_EQ(offsetSubview.Rank, 2) << "subview of offset is broken.";
}
{
auto offsetSubview = Kokkos::Experimental::subview(sliceMe, Kokkos::ALL(),
0, Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 2) << "subview of offset is broken.";
}
{
auto offsetSubview = Kokkos::Experimental::subview(
sliceMe, 0, Kokkos::ALL(), Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 2) << "subview of offset is broken.";
}
{
auto offsetSubview = Kokkos::Experimental::subview(
sliceMe, 0, Kokkos::ALL(), Kokkos::make_pair(-30, -21));
ASSERT_EQ(offsetSubview.Rank, 2) << "subview of offset is broken.";
ASSERT_EQ(offsetSubview.begin(0), -20);
ASSERT_EQ(offsetSubview.end(0), 31);
ASSERT_EQ(offsetSubview.begin(1), 0);
ASSERT_EQ(offsetSubview.end(1), 9);
#if defined(KOKKOS_ENABLE_CUDA_LAMBDA) || !defined(KOKKOS_ENABLE_CUDA)
// FIXME_SYCL requires MDRange policy
#ifndef KOKKOS_ENABLE_SYCL
using range_type = Kokkos::MDRangePolicy<Device, Kokkos::Rank<2>,
Kokkos::IndexType<int> >;
using point_type = typename range_type::point_type;
const int b0 = offsetSubview.begin(0);
const int b1 = offsetSubview.begin(1);
const int e0 = offsetSubview.end(0);
const int e1 = offsetSubview.end(1);
range_type rangeP2D(point_type{{b0, b1}}, point_type{{e0, e1}});
Kokkos::parallel_for(
rangeP2D,
KOKKOS_LAMBDA(const int i, const int j) { offsetSubview(i, j) = 6; });
int sum = 0;
Kokkos::parallel_reduce(
rangeP2D,
KOKKOS_LAMBDA(const int i, const int j, int& updateMe) {
updateMe += offsetSubview(i, j);
},
sum);
ASSERT_EQ(sum, 6 * (e0 - b0) * (e1 - b1));
#endif
#endif
}
// slice 2
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, Kokkos::ALL(), 0, 0);
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, 0, 0, Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, 0, Kokkos::ALL(), 0);
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
}
{ // test subview rank 4
Kokkos::Experimental::OffsetView<Scalar****, Device> sliceMe(
"offsetToSlice", {-10, 20}, {-20, 30}, {-30, 40}, {-40, 50});
// slice 1
{
auto offsetSubview = Kokkos::Experimental::subview(
sliceMe, Kokkos::ALL(), Kokkos::ALL(), Kokkos::ALL(), 0);
ASSERT_EQ(offsetSubview.Rank, 3) << "subview of offset is broken.";
}
{
auto offsetSubview = Kokkos::Experimental::subview(
sliceMe, Kokkos::ALL(), Kokkos::ALL(), 0, Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 3) << "subview of offset is broken.";
}
{
auto offsetSubview = Kokkos::Experimental::subview(
sliceMe, Kokkos::ALL(), 0, Kokkos::ALL(), Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 3) << "subview of offset is broken.";
}
{
auto offsetSubview = Kokkos::Experimental::subview(
sliceMe, 0, Kokkos::ALL(), Kokkos::ALL(), Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 3) << "subview of offset is broken.";
}
// slice 2
auto offsetSubview2a = Kokkos::Experimental::subview(sliceMe, Kokkos::ALL(),
Kokkos::ALL(), 0, 0);
ASSERT_EQ(offsetSubview2a.Rank, 2) << "subview of offset is broken.";
{
auto offsetSubview2b = Kokkos::Experimental::subview(
sliceMe, Kokkos::ALL(), 0, Kokkos::ALL(), 0);
ASSERT_EQ(offsetSubview2b.Rank, 2) << "subview of offset is broken.";
}
{
auto offsetSubview2b = Kokkos::Experimental::subview(
sliceMe, Kokkos::ALL(), 0, 0, Kokkos::ALL());
ASSERT_EQ(offsetSubview2b.Rank, 2) << "subview of offset is broken.";
}
{
auto offsetSubview2b = Kokkos::Experimental::subview(
sliceMe, 0, Kokkos::ALL(), 0, Kokkos::ALL());
ASSERT_EQ(offsetSubview2b.Rank, 2) << "subview of offset is broken.";
}
{
auto offsetSubview2b = Kokkos::Experimental::subview(
sliceMe, 0, 0, Kokkos::ALL(), Kokkos::ALL());
ASSERT_EQ(offsetSubview2b.Rank, 2) << "subview of offset is broken.";
}
// slice 3
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, Kokkos::ALL(), 0, 0, 0);
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, 0, Kokkos::ALL(), 0, 0);
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, 0, 0, Kokkos::ALL(), 0);
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
{
auto offsetSubview =
Kokkos::Experimental::subview(sliceMe, 0, 0, 0, Kokkos::ALL());
ASSERT_EQ(offsetSubview.Rank, 1) << "subview of offset is broken.";
}
}
}
#if defined(KOKKOS_ENABLE_CUDA_LAMBDA) || !defined(KOKKOS_ENABLE_CUDA)
template <class InputIt, class T, class BinaryOperation>
KOKKOS_INLINE_FUNCTION T std_accumulate(InputIt first, InputIt last, T init,
BinaryOperation op) {
for (; first != last; ++first) {
init = op(std::move(init), *first);
}
return init;
}
KOKKOS_INLINE_FUNCTION int element(std::initializer_list<int> il) {
return std_accumulate(il.begin(), il.end(), 0,
[](int l, int r) { return l * 10 + r; });
}
template <typename DEVICE>
void test_offsetview_offsets_rank1() {
using data_type = int*;
using view_type = Kokkos::View<data_type, DEVICE>;
using index_type = Kokkos::IndexType<int>;
using execution_policy = Kokkos::RangePolicy<DEVICE, index_type>;
using offset_view_type = Kokkos::Experimental::OffsetView<data_type, DEVICE>;
view_type v("View1", 10);
Kokkos::parallel_for(
"For1", execution_policy(0, v.extent_int(0)),
KOKKOS_LAMBDA(const int i) { v(i) = element({i}); });
int errors;
Kokkos::parallel_reduce(
"Reduce1", execution_policy(-3, 4),
KOKKOS_LAMBDA(const int ii, int& lerrors) {
offset_view_type ov(v, {ii});
lerrors += (ov(3) != element({3 - ii}));
},
errors);
ASSERT_EQ(0, errors);
}
template <typename DEVICE>
void test_offsetview_offsets_rank2() {
using data_type = int**;
using view_type = Kokkos::View<data_type, DEVICE>;
using index_type = Kokkos::IndexType<int>;
using execution_policy = Kokkos::RangePolicy<DEVICE, index_type>;
using offset_view_type = Kokkos::Experimental::OffsetView<data_type, DEVICE>;
view_type v("View2", 10, 10);
Kokkos::parallel_for(
"For2", execution_policy(0, v.extent_int(0)), KOKKOS_LAMBDA(const int i) {
for (int j = 0; j != v.extent_int(1); ++j) {
v(i, j) = element({i, j});
}
});
int errors;
Kokkos::parallel_reduce(
"Reduce2", execution_policy(-3, 4),
KOKKOS_LAMBDA(const int ii, int& lerrors) {
for (int jj = -3; jj <= 3; ++jj) {
offset_view_type ov(v, {ii, jj});
lerrors += (ov(3, 3) != element({3 - ii, 3 - jj}));
}
},
errors);
ASSERT_EQ(0, errors);
}
template <typename DEVICE>
void test_offsetview_offsets_rank3() {
using data_type = int***;
using view_type = Kokkos::View<data_type, DEVICE>;
using index_type = Kokkos::IndexType<int>;
using execution_policy = Kokkos::RangePolicy<DEVICE, index_type>;
using offset_view_type = Kokkos::Experimental::OffsetView<data_type, DEVICE>;
view_type v("View3", 10, 10, 10);
Kokkos::parallel_for(
"For3", execution_policy(0, v.extent_int(0)), KOKKOS_LAMBDA(const int i) {
for (int j = 0; j != v.extent_int(1); ++j) {
for (int k = 0; k != v.extent_int(2); ++k) {
v(i, j, k) = element({i, j, k});
}
}
});
int errors;
Kokkos::parallel_reduce(
"Reduce3", execution_policy(-3, 4),
KOKKOS_LAMBDA(const int ii, int& lerrors) {
for (int jj = -3; jj <= 3; ++jj) {
for (int kk = -3; kk <= 3; ++kk) {
offset_view_type ov(v, {ii, jj, kk});
lerrors += (ov(3, 3, 3) != element({3 - ii, 3 - jj, 3 - kk}));
}
}
},
errors);
ASSERT_EQ(0, errors);
}
#endif
// FIXME_SYCL needs MDRangePolicy
#ifndef KOKKOS_ENABLE_SYCL
TEST(TEST_CATEGORY, offsetview_construction) {
test_offsetview_construction<int, TEST_EXECSPACE>();
}
#endif
TEST(TEST_CATEGORY, offsetview_unmanaged_construction) {
test_offsetview_unmanaged_construction<int, TEST_EXECSPACE>();
}
TEST(TEST_CATEGORY, offsetview_subview) {
test_offsetview_subview<int, TEST_EXECSPACE>();
}
#if defined(KOKKOS_ENABLE_CUDA_LAMBDA) || !defined(KOKKOS_ENABLE_CUDA)
TEST(TEST_CATEGORY, offsetview_offsets_rank1) {
test_offsetview_offsets_rank1<TEST_EXECSPACE>();
}
TEST(TEST_CATEGORY, offsetview_offsets_rank2) {
test_offsetview_offsets_rank2<TEST_EXECSPACE>();
}
TEST(TEST_CATEGORY, offsetview_offsets_rank3) {
test_offsetview_offsets_rank3<TEST_EXECSPACE>();
}
#endif
} // namespace Test
#endif /* CONTAINERS_UNIT_TESTS_TESTOFFSETVIEW_HPP_ */