arrayfire/test/memory.cpp at feature/optional-graphics · arrayfire/arrayfire · GitHub

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/*******************************************************

* 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 <arrayfire.h>

#include <gtest/gtest.h>

#include <testHelpers.hpp>

#include <af/dim4.hpp>

#include <af/internal.h>

#include <af/memory.h>

#include <af/traits.hpp>

#include <memory>

#include <unordered_map>

#include <unordered_set>

#include <utility>

#include <vector>

using af::alloc;

using af::allocV2;

using af::array;

using af::cdouble;

using af::cfloat;

using af::deviceGC;

using af::deviceMemInfo;

using af::dim4;

using af::dtype;

using af::dtype_traits;

using af::freeV2;

using af::randu;

using af::seq;

using af::span;

using std::vector;

const size_t step_bytes = 1024;

TEST(Memory, Scope) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

{

array a = randu(5, 5);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

}

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 0u); // 0 because a is out of scope

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 0u);

}

template<typename T>

class MemAlloc : public ::testing::Test {

public:

virtual void SetUp() {}

};

// create a list of types to be tested

typedef ::testing::Types<float, double, cfloat, cdouble, int, unsigned int,

intl, uintl, char, signed char, unsigned char, short,

ushort>

TestTypes;

// register the type list

TYPED_TEST_SUITE(MemAlloc, TestTypes);

size_t roundUpToStep(size_t bytes) {

if (step_bytes == 0) return bytes;

size_t remainder = bytes % step_bytes;

if (remainder == 0) return bytes;

return bytes + step_bytes - remainder;

}

template<typename T>

void memAllocArrayScopeTest(int elements) {

SUPPORTED_TYPE_CHECK(T);

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

{

array a = randu(elements, (af_dtype)dtype_traits<T>::af_type);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, roundUpToStep(elements * sizeof(T)));

ASSERT_EQ(lock_bytes, roundUpToStep(elements * sizeof(T)));

}

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 0u); // 0 because a is out of scope

ASSERT_EQ(alloc_bytes, roundUpToStep(elements * sizeof(T)));

ASSERT_EQ(lock_bytes, 0u);

}

template<typename T>

void memAllocPtrScopeTest(int elements) {

SUPPORTED_TYPE_CHECK(T);

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

{

#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Wdeprecated-declarations"

T *ptr = alloc<T>(elements);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, roundUpToStep(elements * sizeof(T)));

ASSERT_EQ(lock_bytes, roundUpToStep(elements * sizeof(T)));

af::free(ptr);

#pragma GCC diagnostic pop

}

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 0u); // 0 because a is out of scope

ASSERT_EQ(alloc_bytes, roundUpToStep(elements * sizeof(T)));

ASSERT_EQ(lock_bytes, 0u);

// Do without using templated alloc

cleanSlate(); // Clean up everything done so far

{

void *ptr = allocV2(elements * sizeof(T));

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, roundUpToStep(elements * sizeof(T)));

ASSERT_EQ(lock_bytes, roundUpToStep(elements * sizeof(T)));

af::freeV2(ptr);

}

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 0u); // 0 because a is out of scope

ASSERT_EQ(alloc_bytes, roundUpToStep(elements * sizeof(T)));

ASSERT_EQ(lock_bytes, 0u);

}

TYPED_TEST(MemAlloc, ArrayScope25) { memAllocArrayScopeTest<TypeParam>(25); }

TYPED_TEST(MemAlloc, ArrayScope2048) {

memAllocArrayScopeTest<TypeParam>(2048);

}

TYPED_TEST(MemAlloc, ArrayScope2293) {

memAllocArrayScopeTest<TypeParam>(2293);

}

TYPED_TEST(MemAlloc, PtrScope25) { memAllocPtrScopeTest<TypeParam>(25); }

TYPED_TEST(MemAlloc, PtrScope2048) { memAllocPtrScopeTest<TypeParam>(2048); }

TYPED_TEST(MemAlloc, PtrScope2293) { memAllocPtrScopeTest<TypeParam>(2293); }

TEST(Memory, SingleSizeLoop) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

{

array a = randu(5, 5);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

for (int i = 0; i < 100; i++) {

a = randu(5, 5);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes,

&lock_buffers);

ASSERT_EQ(

alloc_buffers,

2u); // 2 because a new one is created before a is destroyed

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 2 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

}

TEST(Memory, LargeLoop) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

const int num = step_bytes / sizeof(float);

size_t allocated = step_bytes;

array a = randu(num);

vector<float> hA(num);

a.host(&hA[0]);

// Run a large loop that allocates more and more memory at each step

for (int i = 0; i < 250; i++) {

array b = randu(num * (i + 1));

size_t current = (i + 1) * step_bytes;

allocated += current;

// Verify that new buffers are being allocated

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

// Limit to 10 to check before memory cleanup

if (i < 10) {

ASSERT_EQ(alloc_buffers, (size_t)(i + 2)); // i is zero based

ASSERT_EQ(lock_buffers, 2u);

ASSERT_EQ(alloc_bytes, allocated);

ASSERT_EQ(lock_bytes, current + step_bytes);

}

size_t old_alloc_bytes = alloc_bytes;

size_t old_alloc_buffers = alloc_buffers;

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(old_alloc_bytes, alloc_bytes);

ASSERT_EQ(old_alloc_buffers, alloc_buffers);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

}

TEST(Memory, IndexingOffset) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

const int num = step_bytes / sizeof(float);

array a = randu(num);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

{

array b = a(seq(1, num / 2)); // Should just be an offset

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

}

// b should not have deleted a

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

}

TEST(Memory, IndexingCopy) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

const int num = step_bytes / sizeof(float);

array a = randu(num);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

{

// Should just a copy

array b = a(seq(0, num / 2 - 1, 2));

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 2u);

ASSERT_EQ(lock_buffers, 2u);

ASSERT_EQ(alloc_bytes, 2 * step_bytes);

ASSERT_EQ(lock_bytes, 2 * step_bytes);

}

// b should not have deleted a

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 2u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 2 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

}

TEST(Memory, Assign) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

const int num = step_bytes / sizeof(float);

array a = randu(num);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

{

array b = randu(num / 2);

a(seq(num / 2)) = b;

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 2u);

ASSERT_EQ(lock_buffers, 2u);

ASSERT_EQ(alloc_bytes, 2 * step_bytes);

ASSERT_EQ(lock_bytes, 2 * step_bytes);

}

// b should not have deleted a

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 2u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 2 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

}

TEST(Memory, AssignLoop) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

const int num = step_bytes / sizeof(float);

const int cols = 100;

array a = randu(num, cols);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, cols * step_bytes);

ASSERT_EQ(lock_bytes, cols * step_bytes);

for (int i = 0; i < cols; i++) {

array b = randu(num);

a(span, i) = b;

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers,

2u); // 3 because you need another scratch space for b

ASSERT_EQ(lock_buffers, 2u);

ASSERT_EQ(alloc_bytes, (cols + 1) * step_bytes);

ASSERT_EQ(lock_bytes, (cols + 1) * step_bytes);

}

TEST(Memory, AssignRef) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

const int num = step_bytes / sizeof(float);

array a = randu(num);

array a_ref = a;

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

{

array b = randu(num / 2);

// This should do a full copy of a

a(seq(num / 2)) = b;

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 3u);

ASSERT_EQ(lock_buffers, 3u);

ASSERT_EQ(alloc_bytes, 3 * step_bytes);

ASSERT_EQ(lock_bytes, 3 * step_bytes);

}

// b should not have deleted a

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 3u);

ASSERT_EQ(lock_buffers, 2u); // a_ref

ASSERT_EQ(alloc_bytes, 3 * step_bytes);

ASSERT_EQ(lock_bytes, 2 * step_bytes); // a_ref

}

TEST(Memory, AssignRefLoop) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

const int num = step_bytes / sizeof(float);

const int cols = 100;

array a = randu(num, cols);

array a_ref = a;

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, cols * step_bytes);

ASSERT_EQ(lock_bytes, cols * step_bytes);

for (int i = 0; i < cols; i++) {

array b = randu(num);

a(span, i) = b;

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 3u);

ASSERT_EQ(lock_buffers, 3u);

ASSERT_EQ(alloc_bytes, (2 * cols + 1) * step_bytes);

ASSERT_EQ(lock_bytes, (2 * cols + 1) * step_bytes);

}

// b should not have deleted a

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 3u);

ASSERT_EQ(lock_buffers, 2u); // a_ref

ASSERT_EQ(alloc_bytes, (2 * cols + 1) * step_bytes);

ASSERT_EQ(lock_bytes, 2 * cols * step_bytes); // a_ref

}

TEST(Memory, device) {

size_t alloc_bytes, alloc_buffers;

size_t lock_bytes, lock_buffers;

cleanSlate(); // Clean up everything done so far

{

array a = randu(5, 5);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * step_bytes);

a.device<float>();

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 1u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 1 * lock_bytes);

a.unlock(); // to reset the lock flag

}

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

ASSERT_EQ(alloc_buffers, 1u);

ASSERT_EQ(lock_buffers, 0u);

ASSERT_EQ(alloc_bytes, 1 * step_bytes);

ASSERT_EQ(lock_bytes, 0u);

}

TEST(Memory, Assign2D) {

size_t alloc_bytes, alloc_buffers;

size_t alloc_bytes_after, alloc_buffers_after;

size_t lock_bytes, lock_buffers;

size_t lock_bytes_after, lock_buffers_after;

cleanSlate(); // Clean up everything done so far

{

array a = af::randu(10, 10, f32);

unsigned hb[] = {3, 5, 6, 8, 9};

array b(5, hb);

array c = af::randu(5, f32);

deviceMemInfo(&alloc_bytes, &alloc_buffers, &lock_bytes, &lock_buffers);

a(b) = c;

}

deviceMemInfo(&alloc_bytes_after, &alloc_buffers_after, &lock_bytes_after,

&lock_buffers_after);

// Check if assigned allocated extra buffers

ASSERT_EQ(alloc_buffers, alloc_buffers_after);

ASSERT_EQ(alloc_bytes, alloc_bytes_after);

}

TEST(Memory, unlock) {

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);

vector<float> in(num);

af_array arr = 0;

ASSERT_SUCCESS(af_create_array(&arr, &in[0], 1, &num, f32));

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

{

array a(arr);

a.lock();

// No new memory should be allocated

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);

a.unlock();

}

// Making sure all unlocked buffers are freed

deviceGC();

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);

}

TEST(Memory, IndexedDevice) {

// This test is checking to see if calling .device() will force copy to a

// new buffer

const int nx = 8;

const int ny = 8;

array in = randu(nx, ny);

vector<float> in1(in.elements());

in.host(&in1[0]);

int offx = nx / 4;

int offy = ny / 4;

in = in(seq(offx, offx + nx / 2 - 1), seq(offy, offy + ny / 2 - 1));

int nxo = (int)in.dims(0);

int nyo = (int)in.dims(1);

void *rawPtr = getRawPtr(in);

void *devPtr = in.device<float>();

ASSERT_NE(devPtr, rawPtr);

in.unlock();

vector<float> in2(in.elements());

in.host(&in2[0]);

for (int y = 0; y < nyo; y++) {

for (int x = 0; x < nxo; x++) {

ASSERT_EQ(in1[(offy + y) * nx + offx + x], in2[y * nxo + x]);

}

namespace {

template<typename T>

T *getMemoryManagerPayload(af_memory_manager manager) {

void *payloadPtr;

af_memory_manager_get_payload(manager, &payloadPtr);

return (T *)payloadPtr;

}

/**

* An extremely basic memory manager with a basic caching mechanism for testing

* purposes. It is not thread safe or optimized.

struct E2ETestPayload {

int initializeCalledTimes{0};

int shutdownCalledTimes{0};

std::unordered_map<void *, size_t> table;

std::unordered_set<void *> locked;

size_t totalBytes{0};

size_t totalBuffers{0};

size_t lockedBytes{0};

unsigned lastNdims;

dim4 lastDims;

unsigned lastElementSize;

size_t maxBuffers{64};

size_t maxBytes{1024};

// Print info args

std::string printInfoStringArg;

int printInfoDevice{-1};

};

af_err allocated_fn(af_memory_manager manager, size_t *out, void *ptr) {

auto &table = getMemoryManagerPayload<E2ETestPayload>(manager)->table;

if (table.find(ptr) == table.end()) {

*out = 0;

} else {

*out = table[ptr];

}

return AF_SUCCESS;

}

af_err user_lock_fn(af_memory_manager manager, void *ptr) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

if (payload->locked.find(ptr) == payload->locked.end()) {

payload->locked.insert(ptr);

payload->lockedBytes += payload->table[ptr];

}

return AF_SUCCESS;

}

af_err is_user_locked_fn(af_memory_manager manager, int *out, void *ptr) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

*out = payload->locked.find(ptr) != payload->locked.end();

return AF_SUCCESS;

}

af_err unlock_fn(af_memory_manager manager, void *ptr, int userLock) {

if (!ptr) { return AF_SUCCESS; }

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

if (payload->table.find(ptr) == payload->table.end()) {

return AF_SUCCESS; // fast path

}

// For testing, treat user-allocated and AF-allocated memory identically

if (payload->locked.find(ptr) != payload->locked.end()) {

payload->locked.erase(ptr);

payload->lockedBytes -= payload->table[ptr];

}

return AF_SUCCESS;

}

af_err user_unlock_fn(af_memory_manager manager, void *ptr) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

af_err err = unlock_fn(manager, ptr, /* user */ 1);

payload->lockedBytes -= payload->table[ptr];

return err;

}

af_err signal_memory_cleanup_fn(af_memory_manager manager) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

// Free unlocked memory

std::vector<void *> freed;

for (auto &entry : payload->table) {

int isUserLocked;

is_user_locked_fn(manager, &isUserLocked, entry.first);

if (!isUserLocked) {

void *ptr = entry.first;

af_memory_manager_native_free(manager, ptr);

payload->totalBytes -= payload->table[entry.first];

freed.push_back(entry.first);

}

for (auto ptr : freed) { payload->table.erase(ptr); }

return AF_SUCCESS;

}

af_err print_info_fn(af_memory_manager manager, char *c, int b) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

payload->printInfoStringArg = std::string(c);

payload->printInfoDevice = b;

return AF_SUCCESS;

}

af_err get_memory_pressure_fn(af_memory_manager manager, float *out) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

if (payload->lockedBytes > payload->maxBytes ||

payload->totalBuffers > payload->maxBuffers) {

*out = 1.0;

} else {

*out = 0.0;

}

return AF_SUCCESS;

}

af_err jit_tree_exceeds_memory_pressure_fn(af_memory_manager manager, int *out,

size_t bytes) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

*out = 2 * bytes > payload->totalBytes;

return AF_SUCCESS;

}

af_err alloc_fn(af_memory_manager manager, void **ptr,

/* bool */ int userLock, const unsigned ndims, dim_t *dims,

const unsigned element_size) {

size_t size = element_size;

for (unsigned i = 0; i < ndims; ++i) { size *= dims[i]; }

if (size > 0) {

float pressure;

get_memory_pressure_fn(manager, &pressure);

float threshold;

af_memory_manager_get_memory_pressure_threshold(manager, &threshold);

if (pressure >= threshold) { signal_memory_cleanup_fn(manager); }

if (af_err err = af_memory_manager_native_alloc(manager, ptr, size)) {

return err;

}

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

payload->table[*ptr] = size;

payload->totalBytes += size;

payload->totalBuffers++;

// Simple implementation: treat user and AF allocations the same

payload->locked.insert(*ptr);

payload->lockedBytes += size;

payload->lastNdims = ndims;

payload->lastDims = dim4(ndims, dims);

payload->lastElementSize = element_size;

}

return AF_SUCCESS;

}

void add_memory_management_fn(af_memory_manager manager, int id) {}

void remove_memory_management_fn(af_memory_manager manager, int id) {}

} // namespace

class MemoryManagerApi : public ::testing::Test {

public:

af_memory_manager manager;

std::unique_ptr<E2ETestPayload> payload{new E2ETestPayload()};

void SetUp() override {

af_create_memory_manager(&manager);

// Set payload_fn

af_memory_manager_set_payload(manager, payload.get());

auto initialize_fn = [](af_memory_manager manager) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

payload->initializeCalledTimes++;

return AF_SUCCESS;

};

af_memory_manager_set_initialize_fn(manager, initialize_fn);

auto shutdown_fn = [](af_memory_manager manager) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

payload->shutdownCalledTimes++;

return AF_SUCCESS;

};

af_memory_manager_set_shutdown_fn(manager, shutdown_fn);

// alloc

af_memory_manager_set_alloc_fn(manager, alloc_fn);

af_memory_manager_set_allocated_fn(manager, allocated_fn);

af_memory_manager_set_unlock_fn(manager, unlock_fn);

// utils

af_memory_manager_set_signal_memory_cleanup_fn(

manager, signal_memory_cleanup_fn);

af_memory_manager_set_print_info_fn(manager, print_info_fn);

// user lock/unlock

af_memory_manager_set_user_lock_fn(manager, user_lock_fn);

af_memory_manager_set_user_unlock_fn(manager, user_unlock_fn);

af_memory_manager_set_is_user_locked_fn(manager, is_user_locked_fn);

// memory pressure

af_memory_manager_set_get_memory_pressure_fn(manager,

get_memory_pressure_fn);

af_memory_manager_set_jit_tree_exceeds_memory_pressure_fn(

manager, jit_tree_exceeds_memory_pressure_fn);

// ocl

af_memory_manager_set_add_memory_management_fn(

manager, add_memory_management_fn);

af_memory_manager_set_remove_memory_management_fn(

manager, remove_memory_management_fn);

af_set_memory_manager(manager);

}

void TearDown() override {

af_device_gc();

af_unset_memory_manager();

af_release_memory_manager(manager);

}

};

TEST_F(MemoryManagerApi, E2ETest1D) {

size_t aSize = 8;

array a = af::array(aSize, af::dtype::f32);

ASSERT_EQ(payload->table.size(), 1);

ASSERT_EQ(payload->table[a.device<float>()], aSize * sizeof(float));

ASSERT_EQ(payload->lastNdims, 1);

ASSERT_EQ(payload->lastDims, af::dim4(aSize));

ASSERT_EQ(payload->lastElementSize, 4);

}

TEST_F(MemoryManagerApi, E2ETest2D) {

size_t aSize = 8;

af::array a = af::array(aSize, aSize, af::dtype::f32);

ASSERT_EQ(payload->table.size(), 1);

ASSERT_EQ(payload->table[a.device<float>()], aSize * aSize * sizeof(float));

ASSERT_EQ(payload->lastElementSize, 4);

// Currently this is set to 1 because all allocations request linear memory

// This behavior will change in the future

ASSERT_EQ(payload->lastNdims, 1);

ASSERT_EQ(payload->lastDims, af::dim4(aSize * aSize));

}

TEST_F(MemoryManagerApi, E2ETest3D) {

size_t aSize = 8;

af::array a = af::array(aSize, aSize, aSize, af::dtype::f32);

ASSERT_EQ(payload->table.size(), 1);

ASSERT_EQ(payload->table[a.device<float>()],

aSize * aSize * aSize * sizeof(float));

ASSERT_EQ(payload->lastElementSize, 4);

// Currently this is set to 1 because all allocations request linear memory

// This behavior will change in the future

ASSERT_EQ(payload->lastNdims, 1);

ASSERT_EQ(payload->lastDims, af::dim4(aSize * aSize * aSize));

}

TEST_F(MemoryManagerApi, E2ETest4D) {

size_t aSize = 8;

af::array a = af::array(aSize, aSize, aSize, aSize, af::dtype::f32);

ASSERT_EQ(payload->table.size(), 1);

ASSERT_EQ(payload->table[a.device<float>()],

aSize * aSize * aSize * aSize * sizeof(float));

ASSERT_EQ(payload->lastElementSize, 4);

// Currently this is set to 1 because all allocations request linear memory

// This behavior will change in the future

ASSERT_EQ(payload->lastNdims, 1);

ASSERT_EQ(payload->lastDims, af::dim4(aSize * aSize * aSize * aSize));

af::sync();

}

TEST_F(MemoryManagerApi, E2ETest4DComplexDouble) {

SUPPORTED_TYPE_CHECK(double);

size_t aSize = 8;

af::array a = af::array(aSize, aSize, aSize, aSize, af::dtype::c64);

ASSERT_EQ(payload->table.size(), 1);

ASSERT_EQ(payload->table[a.device<float>()],

aSize * aSize * aSize * aSize * sizeof(double) * 2);

ASSERT_EQ(payload->lastElementSize, 16);

// Currently this is set to 1 because all allocations request linear memory

// This behavior will change in the future

ASSERT_EQ(payload->lastNdims, 1);

ASSERT_EQ(payload->lastDims, af::dim4(aSize * aSize * aSize * aSize));

}

TEST_F(MemoryManagerApi, E2ETestMultipleAllocations) {

SUPPORTED_TYPE_CHECK(double);

size_t aSize = 8;

af::array a = af::array(aSize, af::dtype::c64);

ASSERT_EQ(payload->lastElementSize, 16);

af::array b = af::array(aSize, af::dtype::f64);

ASSERT_EQ(payload->lastElementSize, 8);

ASSERT_EQ(payload->table.size(), 2);

ASSERT_EQ(payload->table[a.device<float>()], aSize * sizeof(double) * 2);

ASSERT_EQ(payload->table[b.device<float>()], aSize * sizeof(double));

// Currently this is set to 1 because all allocations request linear memory

// This behavior will change in the future

ASSERT_EQ(payload->lastNdims, 1);

ASSERT_EQ(payload->lastDims, af::dim4(aSize));

}

TEST_F(MemoryManagerApi, OutOfMemory) {

af::array a;

const unsigned N = 99999;

try {

a = af::randu({N, N, N}, af::dtype::f32);

FAIL();

} catch (af::exception &ex) {

ASSERT_EQ(ex.err(), AF_ERR_NO_MEM);

} catch (...) { FAIL(); }

}

TEST(MemoryManagerE2E, E2ETest) {

af_memory_manager manager;

af_create_memory_manager(&manager);

// Set payload_fn

std::unique_ptr<E2ETestPayload> payload(new E2ETestPayload());

af_memory_manager_set_payload(manager, payload.get());

auto initialize_fn = [](af_memory_manager manager) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

payload->initializeCalledTimes++;

return AF_SUCCESS;

};

af_memory_manager_set_initialize_fn(manager, initialize_fn);

auto shutdown_fn = [](af_memory_manager manager) {

auto *payload = getMemoryManagerPayload<E2ETestPayload>(manager);

payload->shutdownCalledTimes++;

return AF_SUCCESS;

};

af_memory_manager_set_shutdown_fn(manager, shutdown_fn);

// alloc

af_memory_manager_set_alloc_fn(manager, alloc_fn);

af_memory_manager_set_allocated_fn(manager, allocated_fn);

af_memory_manager_set_unlock_fn(manager, unlock_fn);

// utils

af_memory_manager_set_signal_memory_cleanup_fn(manager,

signal_memory_cleanup_fn);

af_memory_manager_set_print_info_fn(manager, print_info_fn);

// user lock/unlock

af_memory_manager_set_user_lock_fn(manager, user_lock_fn);

af_memory_manager_set_user_unlock_fn(manager, user_unlock_fn);

af_memory_manager_set_is_user_locked_fn(manager, is_user_locked_fn);

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arrayfire/test/memory.cpp at feature/optional-graphics · arrayfire/arrayfire · GitHub

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