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// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved. | ||
// | ||
// 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. | ||
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#pragma once | ||
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#include <error.h> | ||
#include <string> | ||
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#include "boost/variant.hpp" | ||
#include "paddle/fluid/framework/data_type.h" | ||
#include "paddle/fluid/framework/variable.h" | ||
#include "paddle/fluid/platform/collective_helper.h" | ||
#include "paddle/fluid/platform/device/npu/enforce_npu.h" | ||
#include "paddle/fluid/platform/device/npu/npu_info.h" | ||
#include "paddle/fluid/platform/device_context.h" | ||
#include "paddle/fluid/platform/enforce.h" | ||
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namespace paddle { | ||
namespace distributed { | ||
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class NPUEventManager { | ||
public: | ||
NPUEventManager() = default; | ||
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~NPUEventManager() { | ||
if (is_created_) { | ||
platform::NPUDeviceGuard guard(device_index_); | ||
platform::NPUEventDestroy(event_); | ||
} | ||
} | ||
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NPUEventManager(const NPUEventManager&) = delete; | ||
NPUEventManager& operator=(const NPUEventManager&) = delete; | ||
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NPUEventManager(NPUEventManager&& other) { | ||
std::swap(is_created_, other.is_created_); | ||
std::swap(device_index_, other.device_index_); | ||
std::swap(event_, other.event_); | ||
} | ||
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NPUEventManager& operator=(NPUEventManager&& other) { | ||
std::swap(is_created_, other.is_created_); | ||
std::swap(device_index_, other.device_index_); | ||
std::swap(event_, other.event_); | ||
return *this; | ||
} | ||
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bool IsCreated() const { return is_created_; } | ||
bool DeviceId() const { return device_index_; } | ||
aclrtEvent GetRawNPUEvent() const { return event_; } | ||
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void Record(const paddle::platform::NPUDeviceContext& ctx) { | ||
auto device_index = ctx.GetPlace().device; | ||
if (!is_created_) { | ||
CreateEvent(device_index); | ||
} | ||
PADDLE_ENFORCE_EQ(device_index, device_index_, | ||
platform::errors::PreconditionNotMet( | ||
"NPUDeviceContext's device %d does not match" | ||
"Event's device %d", | ||
device_index, device_index_)); | ||
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platform::NPUDeviceGuard guard(device_index_); | ||
platform::NPUEventRecord(event_, ctx.stream()); | ||
} | ||
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bool Query() const { | ||
aclrtEventStatus status = ACL_EVENT_STATUS_COMPLETE; | ||
platform::NPUEventQuery(event_, &status); | ||
if (status == ACL_EVENT_STATUS_COMPLETE) { | ||
return true; | ||
} | ||
return false; | ||
} | ||
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void Block(const paddle::platform::NPUDeviceContext& ctx) const { | ||
if (is_created_) { | ||
auto device_index = ctx.GetPlace().device; | ||
PADDLE_ENFORCE_EQ(device_index, device_index_, | ||
platform::errors::PreconditionNotMet( | ||
"CUDADeviceContext's device %d does not match" | ||
"Event's device %d", | ||
device_index, device_index_)); | ||
platform::NPUDeviceGuard guard(device_index_); | ||
platform::NPUStreamWaitEvent(ctx.stream(), event_); | ||
} | ||
} | ||
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private: | ||
bool is_created_{false}; | ||
aclrtEvent event_{}; | ||
int8_t device_index_{0}; | ||
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private: | ||
void CreateEvent(int device_index) { | ||
device_index_ = device_index; | ||
platform::NPUDeviceGuard guard(device_index); | ||
platform::NPUEventCreate(&event_); | ||
is_created_ = true; | ||
} | ||
}; | ||
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class HCCLCommManager { | ||
public: | ||
explicit HCCLCommManager(HcclComm hcclComm) : hccl_comm_(hcclComm) {} | ||
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HCCLCommManager() : HCCLCommManager(nullptr) {} | ||
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~HCCLCommManager() noexcept { | ||
std::unique_lock<std::mutex> lock(mutex_); | ||
if (hccl_comm_) { | ||
platform::dynload::HcclCommDestroy(hccl_comm_); | ||
} | ||
} | ||
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static std::shared_ptr<HCCLCommManager> Create(int num_ranks, int rank, | ||
HcclRootInfo* comm_id, | ||
HcclComm hccl_comm) { | ||
auto hccl_manager = std::make_shared<HCCLCommManager>(); | ||
auto ret = platform::dynload::HcclCommInitRootInfo(num_ranks, comm_id, rank, | ||
&hccl_comm); | ||
using __NPU_STATUS_TYPE__ = decltype(ret); | ||
constexpr auto __success_type__ = | ||
platform::details::NPUStatusType<__NPU_STATUS_TYPE__>::kSuccess; | ||
if (UNLIKELY(ret != __success_type__)) { | ||
VLOG(0) << "Error: create hccl_id error."; | ||
exit(-1); | ||
} | ||
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hccl_manager->hccl_id_ = comm_id; | ||
hccl_manager->rank_ = rank; | ||
hccl_manager->hccl_comm_ = hccl_comm; | ||
return hccl_manager; | ||
} | ||
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HcclRootInfo* GetHcclId() const { | ||
std::unique_lock<std::mutex> lock(mutex_); | ||
return hccl_id_; | ||
} | ||
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HcclComm GetHcclComm() const { | ||
std::unique_lock<std::mutex> lock(mutex_); | ||
return hccl_comm_; | ||
} | ||
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HCCLCommManager(const HCCLCommManager&) = delete; | ||
HCCLCommManager& operator=(const HCCLCommManager&) = delete; | ||
HCCLCommManager& operator=(HCCLCommManager&& other) = delete; | ||
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HCCLCommManager(HCCLCommManager&& other) { | ||
std::unique_lock<std::mutex> lock(other.mutex_); | ||
std::swap(hccl_comm_, other.hccl_comm_); | ||
} | ||
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protected: | ||
HcclComm hccl_comm_; | ||
HcclRootInfo* hccl_id_; | ||
int rank_; | ||
mutable std::mutex mutex_; | ||
}; | ||
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} // namespace distributed | ||
} // namespace paddle |
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✅Congratulation! Your pull request passed all required CI. You could ask reviewer(s) to approve and merge. 🎉