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84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "scheduler/optimizer/LargeSQ8HPass.h"
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#include "cache/GpuCacheMgr.h"
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#include "scheduler/SchedInst.h"
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#include "scheduler/Utils.h"
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#include "scheduler/task/SearchTask.h"
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#include "scheduler/tasklabel/SpecResLabel.h"
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#include "server/Config.h"
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#include "utils/Log.h"
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namespace milvus {
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namespace scheduler {
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LargeSQ8HPass::LargeSQ8HPass() {
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server::Config& config = server::Config::GetInstance();
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Status s = config.GetEngineConfigUseGpuThreshold(threshold_);
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if (!s.ok()) {
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threshold_ = std::numeric_limits<int32_t>::max();
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}
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}
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bool
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LargeSQ8HPass::Run(const TaskPtr& task) {
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if (task->Type() != TaskType::SearchTask) {
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return false;
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}
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auto search_task = std::static_pointer_cast<XSearchTask>(task);
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if (search_task->file_->engine_type_ != (int)engine::EngineType::FAISS_IVFSQ8H) {
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return false;
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}
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auto search_job = std::static_pointer_cast<SearchJob>(search_task->job_.lock());
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// TODO: future, Index::IVFSQ8H, if nq < threshold set cpu, else set gpu
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if (search_job->nq() < threshold_) {
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return false;
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}
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std::vector<uint64_t> gpus = scheduler::get_gpu_pool();
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std::vector<int64_t> all_free_mem;
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for (auto& gpu : gpus) {
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auto cache = cache::GpuCacheMgr::GetInstance(gpu);
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auto free_mem = cache->CacheCapacity() - cache->CacheUsage();
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all_free_mem.push_back(free_mem);
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}
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auto max_e = std::max_element(all_free_mem.begin(), all_free_mem.end());
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auto best_index = std::distance(all_free_mem.begin(), max_e);
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auto best_device_id = gpus[best_index];
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ResourcePtr res_ptr = ResMgrInst::GetInstance()->GetResource(ResourceType::GPU, best_device_id);
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if (not res_ptr) {
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SERVER_LOG_ERROR << "GpuResource " << best_device_id << " invalid.";
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// TODO: throw critical error and exit
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return false;
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}
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auto label = std::make_shared<SpecResLabel>(std::weak_ptr<Resource>(res_ptr));
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task->label() = label;
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return true;
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}
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} // namespace scheduler
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} // namespace milvus
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