Add console logs for benchmark data preparation

EvenPerfectBitScanner.Benchmarks/GpuModularArithmeticBenchmarks.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Runtime.CompilerServices;
 using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Jobs;
@@ -51,6 +52,8 @@ public class GpuModularArithmeticBenchmarks
 
         private static ModularArithmeticSampleData Create()
         {
+            Console.WriteLine("Preparing modular arithmetic benchmark sample data...");
+
             Random random = new(7);
             var exponents = new ulong[MaxBatchSize];
             var moduli = new ulong[MaxBatchSize];
@@ -66,7 +69,11 @@ public class GpuModularArithmeticBenchmarks
                 mersenneModuli[i] = (1UL << bits) - 1UL;
             }
 
-            return new ModularArithmeticSampleData(exponents, moduli, mersenneModuli, mersenneBitWidths);
+            ModularArithmeticSampleData data = new ModularArithmeticSampleData(exponents, moduli, mersenneModuli, mersenneBitWidths);
+
+            Console.WriteLine("Finished preparing modular arithmetic benchmark sample data.");
+
+            return data;
         }
 
         private static ulong NextExponent(Random random)

EvenPerfectBitScanner.Benchmarks/MontgomeryMultiplyBenchmarks.cs

@@ -1,3 +1,4 @@
+using System;
 using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Jobs;
 
@@ -51,6 +52,8 @@ public class MontgomeryMultiplyBenchmarks
 
         private static MontgomerySampleData Create()
         {
+            Console.WriteLine("Preparing Montgomery multiply benchmark sample data...");
+
             Random random = new(1979);
             var operandsA = new ulong[MaxBatchSize];
             var operandsB = new ulong[MaxBatchSize];
@@ -66,7 +69,11 @@ public class MontgomeryMultiplyBenchmarks
                 operandsB[i] = (ulong)random.NextInt64(0, (long)modulus);
             }
 
-            return new MontgomerySampleData(operandsA, operandsB, moduli, nPrimes);
+            MontgomerySampleData data = new MontgomerySampleData(operandsA, operandsB, moduli, nPrimes);
+
+            Console.WriteLine("Finished preparing Montgomery multiply benchmark sample data.");
+
+            return data;
         }
 
         private static ulong NextOddModulus(Random random)

EvenPerfectBitScanner.Benchmarks/Pow2ModBenchmarks.cs

@@ -443,6 +443,8 @@ public class Pow2ModBenchmarks
 
         private static SampleCollections Create()
         {
+            Console.WriteLine("Preparing power-of-two modulus benchmark sample collections...");
+
             Random random = new(13);
             Random heuristicRandom = new(113);
             Random wideRandom = new(19);
@@ -486,7 +488,7 @@ public class Pow2ModBenchmarks
                 wideCycles[i] = CalculateCycleLengthWithHeuristics(wideModulus, ref previousWidePrimeOrder);
             }
 
-            return new SampleCollections(
+            SampleCollections collections = new SampleCollections(
                 smallDivisors,
                 largeDivisors,
                 veryLargeDivisors,
@@ -499,6 +501,10 @@ public class Pow2ModBenchmarks
                 largeCycles,
                 veryLargeCycles,
                 wideCycles);
+
+            Console.WriteLine("Finished preparing power-of-two modulus benchmark sample collections.");
+
+            return collections;
         }
 
         private static ulong NextSmallExponent(Random random) => (ulong)random.NextInt64(1L, 1_000_000L);