public static IList <ConstructiveResult> SolveWithPerformanceTest(IList <KnapsackInstance> instances, ConstructiveStrategy strategy, CommandLineOptions options)
{
PreparePerformanceTest(instances, strategy);
var stopWatch = new Stopwatch();
var results = new List <ConstructiveResult>();
foreach (var instance in instances)
{
Console.WriteLine($"Processing instance no. {instance.Id}");
ConstructiveResult result = null;
//The algorithm must run repeat at least the set amount of times;
for (int i = 0; i < REPEAT_COUNT; i++)
{
GC.Collect();
GC.WaitForPendingFinalizers();
//GC.TryStartNoGCRegion(200000000);
stopWatch.Start();
result = strategy.Solve(instance);
stopWatch.Stop();
strategy.FreeAll();
//GC.EndNoGCRegion();
}
var averageRuntime = stopWatch.Elapsed.TotalMilliseconds / REPEAT_COUNT;
//Save only the last result
if (result != null)
{
result.DataSetName = options.DataSetName;
result.RunTimeMs = averageRuntime;
if (result.Strategy == null)
{
result.Strategy = options.Strategy;
}
results.Add(result);
}
stopWatch.Reset();
}
return(results);
}
private static void PreparePerformanceTest(IList <KnapsackInstance> instances, ConstructiveStrategy strategy)
{
Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.High;
Thread.CurrentThread.Priority = ThreadPriority.Highest;
//Warmup
strategy.SolveAll(instances.Take(15).ToList(), "", "");
}
