startThreads(threads);
sleep();
stopThreads();
double secondsEllapsed = stopWatch.secondsEllapsed();
double operationsPerSecond = (operationCount - initialOperationCount) / secondsEllapsed;
out("\nMemory used: " + Runtime.getRuntime().totalMemory());
subject.reportResourcesUsed(System.out);
out("Seconds ellapsed: " + secondsEllapsed);