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832 lines (704 loc) · 24.6 KB
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/*******************************************************
* Copyright (c) 2019, 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 <memoryapi.hpp>
#include <Array.hpp>
#include <backend.hpp>
#include <common/err_common.hpp>
#include <common/half.hpp>
#include <events.hpp>
#include <handle.hpp>
#include <memory.hpp>
#include <platform.hpp>
#include <af/backend.h>
#include <af/device.h>
#include <af/dim4.hpp>
#include <af/memory.h>
#include <af/version.h>
#include <utility>
using af::dim4;
using arrayfire::common::half;
using detail::cdouble;
using detail::cfloat;
using detail::createDeviceDataArray;
using detail::deviceMemoryInfo;
using detail::getActiveDeviceId;
using detail::getDeviceCount;
using detail::intl;
using detail::isLocked;
using detail::memAllocUser;
using detail::memFreeUser;
using detail::memLock;
using detail::memUnlock;
using detail::pinnedAlloc;
using detail::pinnedFree;
using detail::printMemInfo;
using detail::schar;
using detail::signalMemoryCleanup;
using detail::uchar;
using detail::uint;
using detail::uintl;
using detail::ushort;
using std::move;
using std::swap;
af_err af_device_array(af_array *arr, void *data, const unsigned ndims,
const dim_t *const dims, const af_dtype type) {
try {
AF_CHECK(af_init());
af_array res;
DIM_ASSERT(1, ndims >= 1);
dim4 d(1, 1, 1, 1);
for (unsigned i = 0; i < ndims; i++) {
d[i] = dims[i];
DIM_ASSERT(3, dims[i] >= 1);
}
switch (type) {
case f32:
res = getHandle(createDeviceDataArray<float>(d, data));
break;
case f64:
res = getHandle(createDeviceDataArray<double>(d, data));
break;
case c32:
res = getHandle(createDeviceDataArray<cfloat>(d, data));
break;
case c64:
res = getHandle(createDeviceDataArray<cdouble>(d, data));
break;
case s32:
res = getHandle(createDeviceDataArray<int>(d, data));
break;
case u32:
res = getHandle(createDeviceDataArray<uint>(d, data));
break;
case s64:
res = getHandle(createDeviceDataArray<intl>(d, data));
break;
case u64:
res = getHandle(createDeviceDataArray<uintl>(d, data));
break;
case s16:
res = getHandle(createDeviceDataArray<short>(d, data));
break;
case u16:
res = getHandle(createDeviceDataArray<ushort>(d, data));
break;
case s8:
res = getHandle(createDeviceDataArray<schar>(d, data));
break;
case u8:
res = getHandle(createDeviceDataArray<uchar>(d, data));
break;
case b8:
res = getHandle(createDeviceDataArray<char>(d, data));
break;
case f16:
res = getHandle(createDeviceDataArray<half>(d, data));
break;
default: TYPE_ERROR(4, type);
}
swap(*arr, res);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_get_device_ptr(void **data, const af_array arr) {
try {
af_dtype type = getInfo(arr).getType();
switch (type) {
// FIXME: Perform copy if memory not continuous
case f32: *data = getDevicePtr(getArray<float>(arr)); break;
case f64: *data = getDevicePtr(getArray<double>(arr)); break;
case c32: *data = getDevicePtr(getArray<cfloat>(arr)); break;
case c64: *data = getDevicePtr(getArray<cdouble>(arr)); break;
case s32: *data = getDevicePtr(getArray<int>(arr)); break;
case u32: *data = getDevicePtr(getArray<uint>(arr)); break;
case s64: *data = getDevicePtr(getArray<intl>(arr)); break;
case u64: *data = getDevicePtr(getArray<uintl>(arr)); break;
case s16: *data = getDevicePtr(getArray<short>(arr)); break;
case u16: *data = getDevicePtr(getArray<ushort>(arr)); break;
case s8: *data = getDevicePtr(getArray<schar>(arr)); break;
case u8: *data = getDevicePtr(getArray<uchar>(arr)); break;
case b8: *data = getDevicePtr(getArray<char>(arr)); break;
case f16: *data = getDevicePtr(getArray<half>(arr)); break;
default: TYPE_ERROR(4, type);
}
}
CATCHALL;
return AF_SUCCESS;
}
template<typename T>
inline void lockArray(const af_array arr) {
memLock(getArray<T>(arr).get());
}
af_err af_lock_device_ptr(const af_array arr) { return af_lock_array(arr); }
af_err af_lock_array(const af_array arr) {
try {
af_dtype type = getInfo(arr).getType();
switch (type) {
case f32: lockArray<float>(arr); break;
case f64: lockArray<double>(arr); break;
case c32: lockArray<cfloat>(arr); break;
case c64: lockArray<cdouble>(arr); break;
case s32: lockArray<int>(arr); break;
case u32: lockArray<uint>(arr); break;
case s64: lockArray<intl>(arr); break;
case u64: lockArray<uintl>(arr); break;
case s16: lockArray<short>(arr); break;
case u16: lockArray<ushort>(arr); break;
case s8: lockArray<schar>(arr); break;
case u8: lockArray<uchar>(arr); break;
case b8: lockArray<char>(arr); break;
case f16: lockArray<half>(arr); break;
default: TYPE_ERROR(4, type);
}
}
CATCHALL;
return AF_SUCCESS;
}
template<typename T>
inline bool checkUserLock(const af_array arr) {
detail::Array<T> &out = const_cast<detail::Array<T> &>(getArray<T>(arr));
return isLocked(static_cast<void *>(out.get()));
}
af_err af_is_locked_array(bool *res, const af_array arr) {
try {
af_dtype type = getInfo(arr).getType();
switch (type) {
case f32: *res = checkUserLock<float>(arr); break;
case f64: *res = checkUserLock<double>(arr); break;
case c32: *res = checkUserLock<cfloat>(arr); break;
case c64: *res = checkUserLock<cdouble>(arr); break;
case s32: *res = checkUserLock<int>(arr); break;
case u32: *res = checkUserLock<uint>(arr); break;
case s64: *res = checkUserLock<intl>(arr); break;
case u64: *res = checkUserLock<uintl>(arr); break;
case s16: *res = checkUserLock<short>(arr); break;
case u16: *res = checkUserLock<ushort>(arr); break;
case s8: *res = checkUserLock<schar>(arr); break;
case u8: *res = checkUserLock<uchar>(arr); break;
case b8: *res = checkUserLock<char>(arr); break;
case f16: *res = checkUserLock<half>(arr); break;
default: TYPE_ERROR(4, type);
}
}
CATCHALL;
return AF_SUCCESS;
}
template<typename T>
inline void unlockArray(const af_array arr) {
memUnlock(getArray<T>(arr).get());
}
af_err af_unlock_device_ptr(const af_array arr) { return af_unlock_array(arr); }
af_err af_unlock_array(const af_array arr) {
try {
af_dtype type = getInfo(arr).getType();
switch (type) {
case f32: unlockArray<float>(arr); break;
case f64: unlockArray<double>(arr); break;
case c32: unlockArray<cfloat>(arr); break;
case c64: unlockArray<cdouble>(arr); break;
case s32: unlockArray<int>(arr); break;
case u32: unlockArray<uint>(arr); break;
case s64: unlockArray<intl>(arr); break;
case u64: unlockArray<uintl>(arr); break;
case s16: unlockArray<short>(arr); break;
case u16: unlockArray<ushort>(arr); break;
case s8: unlockArray<schar>(arr); break;
case u8: unlockArray<uchar>(arr); break;
case b8: unlockArray<char>(arr); break;
case f16: unlockArray<half>(arr); break;
default: TYPE_ERROR(4, type);
}
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_alloc_device(void **ptr, const dim_t bytes) {
try {
AF_CHECK(af_init());
*ptr = memAllocUser(bytes);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_alloc_device_v2(void **ptr, const dim_t bytes) {
try {
AF_CHECK(af_init());
#ifdef AF_OPENCL
auto *buf = static_cast<cl::Buffer *>(memAllocUser(bytes));
*ptr = buf->operator()();
// Calling retain to offset the decrement the reference count by the
// destructor of cl::Buffer
clRetainMemObject(cl_mem(*ptr));
delete buf;
#else
*ptr = static_cast<void *>(memAllocUser(bytes));
#endif
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_alloc_pinned(void **ptr, const dim_t bytes) {
try {
AF_CHECK(af_init());
*ptr = static_cast<void *>(pinnedAlloc<char>(bytes));
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_free_device(void *ptr) {
try {
memFreeUser(ptr);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_free_device_v2(void *ptr) {
try {
#ifdef AF_OPENCL
auto mem = static_cast<cl_mem>(ptr);
memFreeUser(new cl::Buffer(mem, false));
#else
memFreeUser(ptr);
#endif
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_free_pinned(void *ptr) {
try {
pinnedFree(ptr);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_alloc_host(void **ptr, const dim_t bytes) {
if ((*ptr = malloc(bytes))) { // NOLINT(hicpp-no-malloc)
return AF_SUCCESS;
}
return AF_ERR_NO_MEM;
}
af_err af_free_host(void *ptr) {
free(ptr); // NOLINT(hicpp-no-malloc)
return AF_SUCCESS;
}
af_err af_print_mem_info(const char *msg, const int device_id) {
try {
int device = device_id;
if (device == -1) { device = static_cast<int>(getActiveDeviceId()); }
if (msg != nullptr) {
ARG_ASSERT(0, strlen(msg) < 256); // 256 character limit on msg
}
ARG_ASSERT(1, device >= 0 && device < getDeviceCount());
printMemInfo(msg ? msg : "", device);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_device_gc() {
try {
signalMemoryCleanup();
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_device_mem_info(size_t *alloc_bytes, size_t *alloc_buffers,
size_t *lock_bytes, size_t *lock_buffers) {
try {
deviceMemoryInfo(alloc_bytes, alloc_buffers, lock_bytes, lock_buffers);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_set_mem_step_size(const size_t step_bytes) {
try {
detail::setMemStepSize(step_bytes);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_get_mem_step_size(size_t *step_bytes) {
try {
*step_bytes = detail::getMemStepSize();
}
CATCHALL;
return AF_SUCCESS;
}
////////////////////////////////////////////////////////////////////////////////
// Memory Manager API
////////////////////////////////////////////////////////////////////////////////
MemoryManager &getMemoryManager(const af_memory_manager handle) {
return *static_cast<MemoryManager *>(handle);
}
af_memory_manager getHandle(MemoryManager &manager) {
MemoryManager *handle;
handle = &manager;
return static_cast<af_memory_manager>(handle);
}
af_err af_create_memory_manager(af_memory_manager *manager) {
try {
AF_CHECK(af_init());
std::unique_ptr<MemoryManager> m(new MemoryManager());
*manager = getHandle(*m.release());
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_release_memory_manager(af_memory_manager handle) {
try {
// NB: does NOT reset the internal memory manager to be the default:
// af_unset_memory_manager_pinned must be used to fully-reset with a new
// AF default memory manager
delete static_cast<MemoryManager *>(handle);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_set_memory_manager(af_memory_manager mgr) {
try {
std::unique_ptr<MemoryManagerFunctionWrapper> newManager(
new MemoryManagerFunctionWrapper(mgr));
// Calls shutdown() on the existing memory manager, but does not free
// the associated handle, if there is one
detail::setMemoryManager(std::move(newManager));
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_unset_memory_manager() {
try {
detail::resetMemoryManager();
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_set_memory_manager_pinned(af_memory_manager mgr) {
try {
// NB: does NOT free if a non-default implementation is set as the
// current memory manager - the user is responsible for freeing any
// controlled memory
std::unique_ptr<MemoryManagerFunctionWrapper> newManager(
new MemoryManagerFunctionWrapper(mgr));
// Calls shutdown() on the existing memory manager
detail::setMemoryManagerPinned(std::move(newManager));
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_unset_memory_manager_pinned() {
try {
detail::resetMemoryManagerPinned();
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_get_payload(af_memory_manager handle, void **payload) {
try {
MemoryManager &manager = getMemoryManager(handle);
*payload = manager.payload;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_payload(af_memory_manager handle, void *payload) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.payload = payload;
}
CATCHALL;
return AF_SUCCESS;
}
////////////////////////////////////////////////////////////////////////////////
// Native memory interface wrapper implementations
af_err af_memory_manager_get_active_device_id(af_memory_manager handle,
int *id) {
try {
MemoryManager &manager = getMemoryManager(handle);
*id = manager.wrapper->getActiveDeviceId();
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_native_alloc(af_memory_manager handle, void **ptr,
size_t size) {
try {
MemoryManager &manager = getMemoryManager(handle);
*ptr = manager.wrapper->nativeAlloc(size);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_native_free(af_memory_manager handle, void *ptr) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.wrapper->nativeFree(ptr);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_get_max_memory_size(af_memory_manager handle,
size_t *size, int id) {
try {
MemoryManager &manager = getMemoryManager(handle);
*size = manager.wrapper->getMaxMemorySize(id);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_get_memory_pressure_threshold(af_memory_manager handle,
float *value) {
try {
MemoryManager &manager = getMemoryManager(handle);
*value = manager.wrapper->getMemoryPressureThreshold();
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_memory_pressure_threshold(af_memory_manager handle,
float value) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.wrapper->setMemoryPressureThreshold(value);
}
CATCHALL;
return AF_SUCCESS;
}
////////////////////////////////////////////////////////////////////////////////
// Function setters
af_err af_memory_manager_set_initialize_fn(af_memory_manager handle,
af_memory_manager_initialize_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.initialize_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_shutdown_fn(af_memory_manager handle,
af_memory_manager_shutdown_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.shutdown_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_alloc_fn(af_memory_manager handle,
af_memory_manager_alloc_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.alloc_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_allocated_fn(af_memory_manager handle,
af_memory_manager_allocated_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.allocated_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_unlock_fn(af_memory_manager handle,
af_memory_manager_unlock_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.unlock_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_signal_memory_cleanup_fn(
af_memory_manager handle, af_memory_manager_signal_memory_cleanup_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.signal_memory_cleanup_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_print_info_fn(af_memory_manager handle,
af_memory_manager_print_info_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.print_info_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_user_lock_fn(af_memory_manager handle,
af_memory_manager_user_lock_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.user_lock_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_user_unlock_fn(
af_memory_manager handle, af_memory_manager_user_unlock_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.user_unlock_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_is_user_locked_fn(
af_memory_manager handle, af_memory_manager_is_user_locked_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.is_user_locked_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_get_memory_pressure_fn(
af_memory_manager handle, af_memory_manager_get_memory_pressure_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.get_memory_pressure_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_jit_tree_exceeds_memory_pressure_fn(
af_memory_manager handle,
af_memory_manager_jit_tree_exceeds_memory_pressure_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.jit_tree_exceeds_memory_pressure_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_add_memory_management_fn(
af_memory_manager handle, af_memory_manager_add_memory_management_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.add_memory_management_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_memory_manager_set_remove_memory_management_fn(
af_memory_manager handle,
af_memory_manager_remove_memory_management_fn fn) {
try {
MemoryManager &manager = getMemoryManager(handle);
manager.remove_memory_management_fn = fn;
}
CATCHALL;
return AF_SUCCESS;
}
////////////////////////////////////////////////////////////////////////////////
// Memory Manager wrapper implementations
MemoryManagerFunctionWrapper::MemoryManagerFunctionWrapper(
af_memory_manager handle)
: handle_(handle) {
MemoryManager &manager = getMemoryManager(handle_);
manager.wrapper = this;
}
MemoryManagerFunctionWrapper::~MemoryManagerFunctionWrapper() {
MemoryManager &manager = getMemoryManager(handle_);
manager.wrapper = 0;
}
void MemoryManagerFunctionWrapper::initialize() {
AF_CHECK(getMemoryManager(handle_).initialize_fn(handle_));
}
void MemoryManagerFunctionWrapper::shutdown() {
AF_CHECK(getMemoryManager(handle_).shutdown_fn(handle_));
}
void *MemoryManagerFunctionWrapper::alloc(bool user_lock, const unsigned ndims,
dim_t *dims,
const unsigned element_size) {
void *ptr;
AF_CHECK(getMemoryManager(handle_).alloc_fn(handle_, &ptr, (int)user_lock,
ndims, dims, element_size));
return ptr;
}
size_t MemoryManagerFunctionWrapper::allocated(void *ptr) {
size_t out;
AF_CHECK(getMemoryManager(handle_).allocated_fn(handle_, &out, ptr));
return out;
}
void MemoryManagerFunctionWrapper::unlock(void *ptr, bool user_unlock) {
AF_CHECK(
getMemoryManager(handle_).unlock_fn(handle_, ptr, (int)user_unlock));
}
void MemoryManagerFunctionWrapper::signalMemoryCleanup() {
AF_CHECK(getMemoryManager(handle_).signal_memory_cleanup_fn(handle_));
}
void MemoryManagerFunctionWrapper::printInfo(const char *msg,
const int device) {
AF_CHECK(getMemoryManager(handle_).print_info_fn(
handle_, const_cast<char *>(msg), device));
}
void MemoryManagerFunctionWrapper::userLock(const void *ptr) {
AF_CHECK(getMemoryManager(handle_).user_lock_fn(handle_,
const_cast<void *>(ptr)));
}
void MemoryManagerFunctionWrapper::userUnlock(const void *ptr) {
AF_CHECK(getMemoryManager(handle_).user_unlock_fn(handle_,
const_cast<void *>(ptr)));
}
bool MemoryManagerFunctionWrapper::isUserLocked(const void *ptr) {
int out;
AF_CHECK(getMemoryManager(handle_).is_user_locked_fn(
handle_, &out, const_cast<void *>(ptr)));
return static_cast<bool>(out);
}
void MemoryManagerFunctionWrapper::usageInfo(size_t * /*alloc_bytes*/,
size_t * /*alloc_buffers*/,
size_t * /*lock_bytes*/,
size_t * /*lock_buffers*/) {
// Not implemented in the public memory manager API, but for backward
// compatibility reasons, needs to be in the common memory manager interface
// so that it can be used with the default memory manager. Called from
// deviceMemoryInfo from a backend - throws so as to properly propagate
AF_ERROR(
"Device memory info/usage info not supported "
"for custom memory manager",
AF_ERR_NOT_SUPPORTED);
}
float MemoryManagerFunctionWrapper::getMemoryPressure() {
float out;
AF_CHECK(getMemoryManager(handle_).get_memory_pressure_fn(handle_, &out));
return out;
}
bool MemoryManagerFunctionWrapper::jitTreeExceedsMemoryPressure(size_t bytes) {
int out;
AF_CHECK(getMemoryManager(handle_).jit_tree_exceeds_memory_pressure_fn(
handle_, &out, bytes));
return static_cast<bool>(out);
}
size_t MemoryManagerFunctionWrapper::getMemStepSize() {
// Not implemented in the public memory manager API, but for backward
// compatibility reasons, needs to be in the common memory manager interface
// so that it can be used with the default memory manager. Call into the
// backend implementation so the exception can be properly propagated
AF_ERROR("Memory step size API not implemented for custom memory manager",
AF_ERR_NOT_SUPPORTED);
}
void MemoryManagerFunctionWrapper::setMemStepSize(size_t new_step_size) {
// Not implemented in the public memory manager API, but for backward
// compatibility reasons, needs to be in the common memory manager interface
// so that it can be used with the default memory manager.
UNUSED(new_step_size);
AF_ERROR("Memory step size API not implemented for custom memory manager ",
AF_ERR_NOT_SUPPORTED);
}
void MemoryManagerFunctionWrapper::addMemoryManagement(int device) {
getMemoryManager(handle_).add_memory_management_fn(handle_, device);
}
void MemoryManagerFunctionWrapper::removeMemoryManagement(int device) {
getMemoryManager(handle_).remove_memory_management_fn(handle_, device);
}