using System;
using System.Threading;
using System.Threading.Tasks;
using System.Diagnostics;
namespace zad2cw2
{
class Program
{
static System.Object locker = new System.Object();
static public ulong sum = 0;
static public int[] _tab;
static public void randomTable(int size)
{
int[] tab = new int[size];
Random randomNumber = new Random();
for (int i = 0; i < size; i++)
{
tab[i] = randomNumber.Next(0, 100);
}
normalSum(tab);
parallelSum(tab);
}
static public void normalSum(int[] tab)
{
int sum = 0;
Stopwatch stoper = new Stopwatch();
stoper.Start();
for (int i = 0; i < tab.Length; i++)
{
sum += tab[i];
}
stoper.Stop();
Console.WriteLine("Sum (no multithreaded): " + sum);
Console.WriteLine("Time (no multithreaded): " + stoper.ElapsedMilliseconds + " ms");
}
static public void parallelSum(int[] tab)
{
int sum = 0;
Stopwatch stoper = new Stopwatch();
stoper.Start();
Parallel.For(0, tab.Length,
() => 0, (j, loop, subtotal) =>
{
subtotal += tab[j];
return subtotal;
}, (x) => Interlocked.Add(ref sum, x));
stoper.Stop();
Console.WriteLine("Sum (multithreaded): " + sum);
Console.WriteLine("Time (multithreaded): " + stoper.ElapsedMilliseconds + " ms");
}
static void Main(string[] args)
{
int size;
for (size =200000; size <= 1000000; size=size+200000)
{
Console.WriteLine("Size of array: " + size);
randomTable(size);
Console.WriteLine();
}
Console.ReadKey();
}
}
}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}