Queueing

2026-04-29 06:48:41 +00:00 · 2026-04-13 21:24:38 +03:00
parent b45c205d12
commit d26652bbd4
3 changed files with 88 additions and 82 deletions
@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Tests.Queueing.Client
+{
+    public static class EvalPrinter
+    {
+        public static void Print(EsiurQueueEval.EvalResult r)
+        {
+            Console.WriteLine("=== Evaluation Result ===");
+            Console.WriteLine($"α (HasResource probability): {r.Alpha:F3}");
+            Console.WriteLine($"λ̂ (effective arrival rate): {r.LambdaEventsPerSecond:F2} events/s");
+            Console.WriteLine();
+
+            PrintLatencyTable(r.Latency);
+
+            Console.WriteLine();
+            PrintValidation(r.Validation);
+
+            if (r.FlushSizeStats != null)
+            {
+                Console.WriteLine();
+                PrintStats("Flush size (≤ window)", r.FlushSizeStats);
+            }
+        }
+
+        private static void PrintLatencyTable(EsiurQueueEval.LatencyDecomposition l)
+        {
+            Console.WriteLine("Latency Decomposition (ms)");
+            Console.WriteLine("-----------------------------------------------");
+            Console.WriteLine($"{"Metric",-16} {"Mean",8} {"P50",8} {"P95",8} {"P99",8} {"Max",8}");
+            Console.WriteLine("-----------------------------------------------");
+
+            PrintRow("Readiness R", l.ReadinessMs);
+            PrintRow("HOL Δ", l.HolMs);
+            PrintRow("End-to-End D", l.EndToEndMs);
+
+            Console.WriteLine("-----------------------------------------------");
+        }
+
+        private static void PrintValidation(EsiurQueueEval.ModelValidation v)
+        {
+            Console.WriteLine("Resequencing Model Validation");
+            Console.WriteLine("-----------------------------------------------");
+            Console.WriteLine("Absolute error |d − d̂| (ms)");
+            PrintStats("Error", v.AbsErrorMs);
+
+            if (v.MaxNegativeSlackMs > 0)
+            {
+                Console.WriteLine($"Max negative slack (delivered earlier than model): {v.MaxNegativeSlackMs:F4} ms");
+            }
+            else
+            {
+                Console.WriteLine("No negative slack observed (model is conservative).");
+            }
+        }
+
+        private static void PrintRow(string name, EsiurQueueEval.Stats s)
+        {
+            Console.WriteLine(
+                $"{name,-16} " +
+                $"{s.Mean,8:F2} " +
+                $"{s.P50,8:F2} " +
+                $"{s.P95,8:F2} " +
+                $"{s.P99,8:F2} " +
+                $"{s.Max,8:F2}"
+            );
+        }
+
+        private static void PrintStats(string name, EsiurQueueEval.Stats s)
+        {
+            Console.WriteLine(
+                $"{name,-20} " +
+                $"mean={s.Mean,8:F02}  " +
+                $"p50={s.P50,8:F02}  " +
+                $"p95={s.P95,8:F02}  " +
+                $"p99={s.P99,8:F02}  " +
+                $"max={s.Max,8:F02}"
+            );
+        }
+    }
+
+}