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lammps/lib/kokkos/core/unit_test/TestAllocationTracker.cpp
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TestAllocationTracker.cpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#include <gtest/gtest.h>
#include <iostream>
#include <vector>
#include <Kokkos_Core.hpp>
#include <impl/Kokkos_AllocationTracker.hpp>
#include <impl/Kokkos_BasicAllocators.hpp>
namespace Test {
class alocation_tracker : public ::testing::Test {
protected:
static void SetUpTestCase()
{
Kokkos::initialize();
}
static void TearDownTestCase()
{
Kokkos::finalize();
}
};
TEST_F( alocation_tracker, simple)
{
using namespace Kokkos::Impl;
{
AllocationTracker tracker;
EXPECT_FALSE( tracker.is_valid() );
}
// test ref count and label
{
int size = 100;
std::vector<AllocationTracker> trackers(size);
trackers[0] = AllocationTracker( MallocAllocator(), 128,"Test");
for (int i=0; i<size; ++i) {
trackers[i] = trackers[0];
}
EXPECT_EQ(100u, trackers[0].ref_count());
EXPECT_EQ(std::string("Test"), std::string(trackers[0].label()));
}
// test circular list
{
int num_allocs = 3000;
unsigned ref_count = 100;
std::vector<AllocationTracker> trackers(num_allocs);
for (int i=0; i<num_allocs; ++i) {
trackers[i] = AllocationTracker( MallocAllocator(), 128, "Test");
std::vector<AllocationTracker> ref_trackers(ref_count);
for (unsigned j=0; j<ref_count; ++j) {
ref_trackers[j] = trackers[i];
}
EXPECT_EQ( ref_count + 1u, trackers[i].ref_count() );
}
for (int i=0; i<num_allocs; ++i) {
EXPECT_EQ( 1u, trackers[i].ref_count() );
}
}
}
TEST_F( alocation_tracker, force_leaks)
{
// uncomment to force memory leaks
#if 0
using namespace Kokkos::Impl;
Kokkos::kokkos_malloc("Forced Leak", 4096*10);
Kokkos::kokkos_malloc<Kokkos::HostSpace>("Forced Leak", 4096*10);
#endif
}
TEST_F( alocation_tracker, disable_reference_counting)
{
using namespace Kokkos::Impl;
// test ref count and label
{
int size = 100;
std::vector<AllocationTracker> trackers(size);
trackers[0] = AllocationTracker( MallocAllocator(), 128,"Test");
for (int i=1; i<size; ++i) {
trackers[i] = CopyWithoutTracking::apply(trackers[0]);
}
EXPECT_EQ(1u, trackers[0].ref_count());
EXPECT_EQ(std::string("Test"), std::string(trackers[0].label()));
}
}
} // namespace Test
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