C++Builder Test parallel increments

#pragma hdrstop
#pragma argsused

#include <stdio.h>
#include <iostream>
#include <System.SyncObjs.hpp>
#include <System.Diagnostics.hpp>
#include <System.Threading.hpp>

int tot = 0;

//---------------------------------

//void proc1(int i)   {
//      if (i % 2)   TInterlocked::Increment(tot);
//}

//---------------------------------------------------------------------------
void parallel()   {
    int        max = 50000000;
               tot = 0;
    TStopwatch s   = TStopwatch::Create();
    s.Start();

    //TParallel::For(1,max,proc1);

    TParallel::For(1, max,
                      TProc1<int>( [&] (int i)  {
                         if (i % 2)   TInterlocked::Increment(tot);
                      } )
                  );

    s.Stop();
    std::cout << s.ElapsedMilliseconds << "   " << tot << "\n\n";
}

//---------------------------------------------------------------------------
void linear()   {
    int        max = 50000000;
               tot = 0;
    TStopwatch s   = TStopwatch::Create();
    s.Start();
    for (int i=0; i<max; i++)   if (i % 2)   tot++;

    s.Stop();
    std::cout << s.ElapsedMilliseconds << "   " << tot << "\n\n";
}

//---------------------------------------------------------------------------
void parallel2()   {
    int        max     = 50000000;
    const int  n       = 500;
    int        tot2[n]   {0};

    TStopwatch s   = TStopwatch::Create();
    s.Start();

    TParallel::For(1, max,
                      TProc1<int>( [&] (int i)  {
                         if (i % 2)   TInterlocked::Increment(tot2[i%n]);
                      } )
                  );

    s.Stop();
    std::cout << s.ElapsedMilliseconds << "   ";
    for (int j=1; j < n; j+=2) {
         std::cout << tot2[j] << "  ";
    }
    std::cout << "\n\n";
}


//---------------------------------------------------------------------------


int main()
{
    tot = 0;
    parallel();

    tot = 0;
    linear();

    tot = 0;
    parallel2();

    int x; std::cin >> x;
    return 0;
}