System.Threading.ThreadPoolGlobals.GetProcessorCount C# (CSharp) Method

        internal static int GetProcessorCount()
        {
            return Environment.ProcessorCount;
        }
    }

 public static bool SetMinThreads(int workerThreads, int completionPortThreads)
 {
     ThreadPoolGlobals.tpWarmupCount = Math.Max(ThreadPoolGlobals.GetProcessorCount() * 2, workerThreads);
     return(SetMinThreadsNative(workerThreads, completionPortThreads));
 }