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graphengine/ge/graph/load/model_manager/zero_copy_task.cc

128 lines
4.4 KiB

/**
* Copyright 2019-2020 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "graph/load/model_manager/zero_copy_task.h"
#include "framework/common/debug/ge_log.h"
#include "framework/common/util.h"
#include "graph/load/model_manager/model_utils.h"
#include "common/ge_compiler_options.h"
namespace ge {
ZeroCopyTask::ZeroCopyTask(const string &name, uint8_t *args, size_t size)
: name_(name), args_addr_(args), args_size_(size), is_updated_(false) {}
ZeroCopyTask::~ZeroCopyTask() { args_addr_ = nullptr; }
/**
* @ingroup ge
* @brief Set Task zero copy addr info.
* @param [in] addr: task addr value.
* @param [in] offset: saved offset in task args.
* @return: 0 SUCCESS / others FAILED
*/
Status ZeroCopyTask::SetTaskArgsOffset(uintptr_t addr, size_t offset) {
if (offset + sizeof(uintptr_t) > args_size_) {
GELOGE(FAILED, "[ZCPY] %s set task args failed, args size: %zu, offset: %zu", name_.c_str(), args_size_, offset);
return FAILED; // unexpected error, need fix.
}
auto it = task_addr_offset_.find(addr);
if (it == task_addr_offset_.end()) {
task_addr_offset_[addr] = {offset};
} else {
it->second.insert(offset);
}
GELOGD("[ZCPY] %s set task, virtual_addr: 0x%lx, args_addr: %p, size: %zu, offset: %zu", name_.c_str(), addr,
args_addr_, args_size_, offset);
return SUCCESS;
}
/**
* @ingroup ge
* @brief Save orignal data of task args.
* @param [in] info: task args orignal data.
* @param [in] size: args size.
* @return: void
*/
void ZeroCopyTask::SetOriginalArgs(const void *info, size_t size) {
GE_CHECK_NOTNULL_JUST_RETURN(info);
const uint8_t *data = static_cast<const uint8_t *>(info);
args_info_.assign(data, data + size);
GELOGI("[ZCPY] %s set original args info: %p, args_addr: %p, args size: %zu, info size: %zu", name_.c_str(), info,
args_addr_, args_size_, size);
}
/**
* @ingroup ge
* @brief Set user data addr to Task param.
* @param [in] addr: virtual address value from Op.
* @param [in] buffer_addr: real_data_buffer_addr from user.
* @return: void
*/
Status ZeroCopyTask::UpdateTaskParam(uintptr_t addr, void *buffer_addr) {
auto iter = task_addr_offset_.find(addr);
if (iter != task_addr_offset_.end()) {
auto &cur_pair = *iter;
uint8_t *args_info = args_info_.data();
for (auto offset : cur_pair.second) {
auto dst_addr = static_cast<uint8_t *>(buffer_addr);
GELOGI("[ZCPY] %s update task, args_addr: %p, size: %zu, offset: %zu, virtual_addr: 0x%lx, user_data_addr: %p",
name_.c_str(), args_addr_, args_size_, offset, addr, buffer_addr);
*reinterpret_cast<uintptr_t *>(args_info + offset)= reinterpret_cast<uintptr_t>(dst_addr);
is_updated_ = true;
}
}
return SUCCESS;
}
/**
* @ingroup ge
* @brief Update task param to device.
* @param [in] async_mode: true for asychronous mode.
* @param [in] stream: Stream for asychronous update.
* @return: 0 SUCCESS / others FAILED
*/
Status ZeroCopyTask::DistributeParam(bool async_mode, rtStream_t stream) {
if (!is_updated_) {
return SUCCESS;
}
is_updated_ = false;
GE_CHECK_NOTNULL(args_addr_);
rtError_t rt_err = RT_ERROR_NONE;
if (async_mode) {
rt_err = rtMemcpyAsync(args_addr_, args_size_, args_info_.data(), args_info_.size(), RT_MEMCPY_HOST_TO_DEVICE_EX,
stream);
} else {
GE_BUILTIN_PREFETCH(args_addr_);
rt_err = rtMemcpy(args_addr_, args_size_, args_info_.data(), args_info_.size(), RT_MEMCPY_HOST_TO_DEVICE);
}
if (rt_err != RT_ERROR_NONE) {
GELOGE(RT_FAILED, "[ZCPY] %s distribute task param failed, error=0x%x", name_.c_str(), rt_err);
return RT_ERROR_TO_GE_STATUS(rt_err);
}
GELOGD("[ZCPY] %s refresh task args success, args_addr: %p, size: %zu, args_info_: %p, length: %zu", name_.c_str(),
args_addr_, args_size_, args_info_.data(), args_info_.size());
return SUCCESS;
}
} // namespace ge