Exemple #1
0
        public void Run(NumberReader reader)
        {
            var results        = new List <long>();
            var numbersToCheck = new Boundbuffer <long>();

            StartComputationThreads(results, numbersToCheck);
            var progressMonitor = new ProgressMonitor(results);

            new Thread(progressMonitor.Run)
            {
                IsBackground = true
            }.Start();


            foreach (var value in reader.ReadIntegers())
            {
                numbersToCheck.Enqueue(value);
            }


            bool wait = true;

            while (wait)
            {
                Thread.Sleep(1000); // wait for the computation to complete.
                wait = false;
            }

            Console.WriteLine("{0} of the numbers were prime first", progressMonitor.TotalCount);
        }
Exemple #2
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        private static List <Thread> CreateThreads(List <long> results, Boundbuffer <long> numbersToCheck)
        {
            var threadCount = Environment.ProcessorCount * 2;

            Console.WriteLine("Using {0} compute threads and 1 I/O thread second", threadCount);

            var threads =
                (from threadNumber in Sequence.Create(0, threadCount)
                 let calculator = new IsNumberPrimeCalculator(results, numbersToCheck)
                                  let newThread =
                     new Thread(calculator.CheckIfNumbersArePrime)
            {
                IsBackground = true,
                Priority = ThreadPriority.BelowNormal
            }
                 select newThread).ToList();

            return(threads);
        }
Exemple #3
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        private static void StartComputationThreads(List <long> results, Boundbuffer <long> numbersToCheck)
        {
            var threads = CreateThreads(results, numbersToCheck);

            threads.ForEach(thread => thread.Start());
        }
Exemple #4
0
 public IsNumberPrimeCalculator(ICollection <long> primeNumbers, Boundbuffer <long> numbersToCheck)
 {
     _primeNumbers   = primeNumbers;
     _numbersToCheck = numbersToCheck;
 }