Paralleltest.cpp

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//gcc -I/Users/xinyuzhang/Desktop/Spring2021/c++pattern/project/cosan /Users/xinyuzhang/Desktop/Spring2021/c++pattern/project/cosan/test/Paralleltest.cpp
#include <iostream>
#include <vector>
#include <cosan/selection/kfold.h>
#include <cosan/selection/randomkfold.h>
#include <cosan/selection/timeseriessplit.h>
 
#include <chrono>
#include <algorithm>
int main(){
 //    std::chrono::time_point<std::chrono::system_clock> st,ed;
 //    std::chrono::duration<double> tmp,tmp1;
 
    // gsl::index nrows = 100000;
    // gsl::index foldnum = 50000;
    // st = std::chrono::system_clock::now();
    // Cosan::KFoldParallel(nrows,foldnum);
    // ed = std::chrono::system_clock::now();
 //    tmp = std::chrono::duration_cast<std::chrono::duration<double>>(ed-st);
 
    // st =std::chrono::system_clock::now();
    // Cosan::KFold(nrows,foldnum);
    // ed = std::chrono::system_clock::now();
 
 //    tmp1 = std::chrono::duration_cast<std::chrono::duration<double>>(ed-st); 
    // std::cout<<tmp.count()<<" "<<tmp1.count()<<std::endl;
    // return 0;
    // // run comparison: parallel 24.6386s, without parallel: 34.9594s
 
 //    std::chrono::time_point<std::chrono::system_clock> st,ed;
 //    std::chrono::duration<double> tmp,tmp1;
 
    // gsl::index nrows = 100000;
    // gsl::index foldnum = 50000;
    // st = std::chrono::system_clock::now();
    // Cosan::RandomKFoldParallel(nrows,foldnum);
    // ed = std::chrono::system_clock::now();
 //    tmp = std::chrono::duration_cast<std::chrono::duration<double>>(ed-st);
 
    // st =std::chrono::system_clock::now();
    // Cosan::RandomKFold(nrows,foldnum);
    // ed = std::chrono::system_clock::now();
 
 //    tmp1 = std::chrono::duration_cast<std::chrono::duration<double>>(ed-st); 
    // std::cout<<tmp.count()<<" "<<tmp1.count()<<std::endl;
 
    // run comparison: parallel 28.6542s, without parallel: 106.003s
 
    std::chrono::time_point<std::chrono::system_clock> st,ed;
    std::chrono::duration<double> tmp,tmp1;
 
    gsl::index nrows = 100000;
    gsl::index foldnum = 50000;
    st = std::chrono::system_clock::now();
    Cosan::TimeSeriesSplitParallel(nrows,foldnum);
    ed = std::chrono::system_clock::now();
    tmp = std::chrono::duration_cast<std::chrono::duration<double>>(ed-st);
 
    st =std::chrono::system_clock::now();
    Cosan::TimeSeriesSplit(nrows,foldnum);
    ed = std::chrono::system_clock::now();
 
    tmp1 = std::chrono::duration_cast<std::chrono::duration<double>>(ed-st);    
    std::cout<<tmp.count()<<" "<<tmp1.count()<<std::endl;
 
    // run comparison: parallel 10.3986s , without parallel: 16.503s
 
    return 0;
}