コード例 #1
0
        /// <summary>
        /// Calculate the maximum runtime for this algorithm job.
        /// </summary>
        /// <param name="start">State date of the algorithm</param>
        /// <param name="finish">End date of the algorithm</param>
        /// <param name="subscriptionManager">Subscription Manager</param>
        /// <param name="universeManager">Universe manager containing configured universes</param>
        /// <param name="controls">Job controls instance</param>
        /// <returns>Timespan maximum run period</returns>
        private TimeSpan GetMaximumRuntime(DateTime start, DateTime finish, SubscriptionManager subscriptionManager, UniverseManager universeManager, Controls controls)
        {
            // option/futures chain subscriptions
            var derivativeSubscriptions = subscriptionManager.Subscriptions
                                          .Where(x => x.Symbol.IsCanonical())
                                          .Select(x => controls.GetLimit(x.Resolution))
                                          .Sum();

            // universe coarse/fine/custom subscriptions
            var universeSubscriptions = universeManager
                                        // use max limit for universes without explicitly added securities
                                        .Sum(u => u.Value.Members.Count == 0 ? controls.GetLimit(u.Value.UniverseSettings.Resolution) : u.Value.Members.Count);

            var subscriptionCount = derivativeSubscriptions + universeSubscriptions;

            double maxRunTime = 0;
            var    jobDays    = (finish - start).TotalDays;

            maxRunTime = 10 * subscriptionCount * jobDays;

            //Rationalize:
            if ((maxRunTime / 3600) > 12)
            {
                //12 hours maximum
                maxRunTime = 3600 * 12;
            }
            else if (maxRunTime < 60)
            {
                //If less than 60 seconds.
                maxRunTime = 60;
            }

            Log.Trace("BacktestingSetupHandler.GetMaxRunTime(): Job Days: " + jobDays + " Max Runtime: " + Math.Round(maxRunTime / 60) + " min");

            //Override for windows:
            if (OS.IsWindows)
            {
                maxRunTime = 24 * 60 * 60;
            }

            return(TimeSpan.FromSeconds(maxRunTime));
        }