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/*******************************************************
* Copyright (c) 2014, ArrayFire
* All rights reserved.
*
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
* http://arrayfire.com/licenses/BSD-3-Clause
********************************************************/
#include <gtest/gtest.h>
#include <arrayfire.h>
#include <af/dim4.hpp>
#include <af/traits.hpp>
#include <vector>
#include <iostream>
#include <string>
#include <testHelpers.hpp>
using std::vector;
using std::string;
using std::cout;
using std::endl;
const size_t step_bytes = 1024;
static void cleanSlate()
{
size_t alloc_bytes, alloc_buffers;
size_t lock_bytes, lock_buffers;
af::deviceGC();
af::deviceMemInfo(&alloc_bytes, &alloc_buffers,
&lock_bytes, &lock_buffers);
ASSERT_EQ(alloc_buffers, 0u);
ASSERT_EQ(lock_buffers, 0u);
ASSERT_EQ(alloc_bytes, 0u);
ASSERT_EQ(lock_bytes, 0u);
af::setMemStepSize(step_bytes);
ASSERT_EQ(af::getMemStepSize(), step_bytes);
}
// This test should be by itself as it leaks memory intentionally
TEST(Memory, lock)
{
size_t alloc_bytes, alloc_buffers;
size_t lock_bytes, lock_buffers;
cleanSlate(); // Clean up everything done so far
const dim_t num = step_bytes / sizeof(float);
std::vector<float> in(num);
af_array arr = 0;
ASSERT_EQ(AF_SUCCESS, af_create_array(&arr, &in[0], 1, &num, f32));
af::deviceMemInfo(&alloc_bytes, &alloc_buffers,
&lock_bytes, &lock_buffers);
ASSERT_EQ(alloc_buffers, 1u);
ASSERT_EQ(lock_buffers, 1u);
ASSERT_EQ(alloc_bytes, step_bytes);
ASSERT_EQ(lock_bytes, step_bytes);
// arr1 gets released by end of the following code block
{
af::array a(arr);
a.lock();
// No new memory should be allocated
af::deviceMemInfo(&alloc_bytes, &alloc_buffers,
&lock_bytes, &lock_buffers);
ASSERT_EQ(alloc_buffers, 1u);
ASSERT_EQ(lock_buffers, 1u);
ASSERT_EQ(alloc_bytes, step_bytes);
ASSERT_EQ(lock_bytes, step_bytes);
}
// Making sure all unlocked buffers are freed
af::deviceGC();
af::deviceMemInfo(&alloc_bytes, &alloc_buffers,
&lock_bytes, &lock_buffers);
ASSERT_EQ(alloc_buffers, 1u);
ASSERT_EQ(lock_buffers, 1u);
ASSERT_EQ(alloc_bytes, step_bytes);
ASSERT_EQ(lock_bytes, step_bytes);
}
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