FaissIVFSQ8HPass.cpp

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// to you under the Apache License, Version 2.0 (the
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#ifdef MILVUS_GPU_VERSION
#include "scheduler/optimizer/FaissIVFSQ8HPass.h"
#include "cache/GpuCacheMgr.h"
#include "scheduler/SchedInst.h"
#include "scheduler/Utils.h"
#include "scheduler/task/SearchTask.h"
#include "scheduler/tasklabel/SpecResLabel.h"
#include "server/Config.h"
#include "utils/Log.h"

namespace milvus {
namespace scheduler {

void
FaissIVFSQ8HPass::Init() {
#ifdef CUSTOMIZATION
    server::Config& config = server::Config::GetInstance();
    Status s = config.GetEngineConfigGpuSearchThreshold(threshold_);
    if (!s.ok()) {
        threshold_ = std::numeric_limits<int64_t>::max();
    }
    s = config.GetGpuResourceConfigSearchResources(gpus);
#endif
}

bool
FaissIVFSQ8HPass::Run(const TaskPtr& task) {
#ifdef CUSTOMIZATION
    if (task->Type() != TaskType::SearchTask) {
        return false;
    }

    auto search_task = std::static_pointer_cast<XSearchTask>(task);
    if (search_task->file_->engine_type_ != (int)engine::EngineType::FAISS_IVFSQ8H) {
        return false;
    }

    auto search_job = std::static_pointer_cast<SearchJob>(search_task->job_.lock());
    ResourcePtr res_ptr;
    if (search_job->nq() < threshold_) {
        SERVER_LOG_DEBUG << "FaissIVFSQ8HPass: nq < gpu_search_threshold, specify cpu to search!";
        res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
    } else {
        auto best_device_id = count_ % gpus.size();
        SERVER_LOG_DEBUG << "FaissIVFSQ8HPass: nq > gpu_search_threshold, specify gpu" << best_device_id
                         << " to search!";
        ++count_;
        res_ptr = ResMgrInst::GetInstance()->GetResource(ResourceType::GPU, gpus[best_device_id]);
    }
    auto label = std::make_shared<SpecResLabel>(res_ptr);
    task->label() = label;
    return true;
#endif
}

}  // namespace scheduler
}  // namespace milvus
#endif