Restore Pow2 benchmark data reuse

EvenPerfectBitScanner.Benchmarks/Pow2ModBenchmarks.cs

@@ -4,6 +4,7 @@ using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Jobs;
 using System.Numerics;
 using PerfectNumbers.Core;
+using PerfectNumbers.Core.Gpu;
 
 namespace EvenPerfectBitScanner.Benchmarks;
 
@@ -20,16 +21,18 @@ namespace EvenPerfectBitScanner.Benchmarks;
 /// </remarks>
 [MemoryDiagnoser]
 [SimpleJob(RuntimeMoniker.Net80, launchCount: 1, warmupCount: 1, iterationCount: 5)]
-public class Pow2MontgomeryModBenchmarks
+public class Pow2ModBenchmarks
 {
     private const int SampleCount = 256;
     private const ulong OneShiftedLeft63 = 1UL << 63;
     private const long OneShiftedLeft60 = 1L << 60;
+    private const ulong Pow2WindowFallbackThreshold = 32UL;
 
     private MontgomeryDivisorData[] _smallDivisors = Array.Empty<MontgomeryDivisorData>();
     private MontgomeryDivisorData[] _largeDivisors = Array.Empty<MontgomeryDivisorData>();
     private MontgomeryDivisorData[] _veryLargeDivisors = Array.Empty<MontgomeryDivisorData>();
     private UInt128[] _wideModuli = Array.Empty<UInt128>();
+    private UInt128[] _wideExponents = Array.Empty<UInt128>();
     private ulong[] _smallExponents = Array.Empty<ulong>();
     private ulong[] _largeExponents = Array.Empty<ulong>();
     private ulong[] _veryLargeExponents = Array.Empty<ulong>();
@@ -58,6 +61,7 @@ public class Pow2MontgomeryModBenchmarks
         _largeDivisors = cache.LargeDivisors;
         _veryLargeDivisors = cache.VeryLargeDivisors;
         _wideModuli = cache.WideModuli;
+        _wideExponents = cache.WideExponents;
         _smallExponents = cache.SmallExponents;
         _largeExponents = cache.LargeExponents;
         _veryLargeExponents = cache.VeryLargeExponents;
@@ -70,8 +74,8 @@ public class Pow2MontgomeryModBenchmarks
     /// <summary>
     /// Baseline right-to-left Montgomery ladder; measured 36.36 μs on the small sample set and 117.32 μs on the large one.
     /// </summary>
-    [Benchmark(Baseline = true)]
-    public ulong BaselineCpu()
+    [Benchmark]
+    public ulong MontgomeryWindowedCpu()
     {
         GetData(out var exponents, out var divisors, out _);
         ulong checksum = 0UL;
@@ -88,7 +92,7 @@ public class Pow2MontgomeryModBenchmarks
     /// Baseline right-to-left Montgomery ladder; measured ??.?? μs on the small sample set and ??.?? μs on the large one.
     /// </summary>
     [Benchmark]
-    public ulong BaselineGpu()
+    public ulong MontgomeryWindowedGpu()
     {
         GetData(out var exponents, out var divisors, out _);
         ulong checksum = 0UL;
@@ -105,7 +109,7 @@ public class Pow2MontgomeryModBenchmarks
     /// Uses a known divisor cycle to fold the exponent first, dropping runtimes to 26.04 μs on small inputs (0.72× baseline) and 9.53 μs on large inputs (0.08× baseline).
     /// </summary>
     [Benchmark]
-    public ulong BaselineWithKnownCycleCpu()
+    public ulong MontgomeryWindowedWithCycleCpu()
     {
         GetData(out var exponents, out var divisors, out var cycles);
         ulong checksum = 0UL;
@@ -122,7 +126,7 @@ public class Pow2MontgomeryModBenchmarks
     /// Uses a known divisor cycle to fold the exponent first, dropping runtimes to 26.04 μs on small inputs (0.72× baseline) and 9.53 μs on large inputs (0.08× baseline).
     /// </summary>
     [Benchmark]
-    public ulong BaselineWithKnownCycleGpu()
+    public ulong MontgomeryWindowedWithCycleGpu()
     {
         GetData(out var exponents, out var divisors, out var cycles);
         ulong checksum = 0UL;
@@ -271,8 +275,8 @@ public class Pow2MontgomeryModBenchmarks
     /// <summary>
     /// Classic binary ladder without Montgomery reduction; runs 24.75 μs on small inputs (0.68× baseline) but collapses to 295.29 μs on large ones (2.52×).
     /// </summary>
-    [Benchmark]
-    public ulong BinaryMod()
+    [Benchmark(Baseline = true)]
+    public ulong StandardPow2Mod()
     {
         GetData(out var exponents, out var divisors, out _);
         ulong checksum = 0UL;
@@ -319,6 +323,38 @@ public class Pow2MontgomeryModBenchmarks
         return checksum;
     }
 
+    /// <summary>
+    /// Current UInt128-native windowed Montgomery ladder that avoids GpuUInt128 on CPU paths.
+    /// </summary>
+    [Benchmark]
+    public UInt128 MontgomeryWindowedUInt128()
+    {
+        UInt128 checksum = UInt128.Zero;
+
+        for (int i = 0; i < SampleCount; i++)
+        {
+            checksum ^= _wideExponents[i].Pow2MontgomeryModWindowed(_wideModuli[i]);
+        }
+
+        return checksum;
+    }
+
+    /// <summary>
+    /// Previous CPU shim that reused the GPU-oriented GpuUInt128 implementation.
+    /// </summary>
+    [Benchmark]
+    public UInt128 MontgomeryWindowedGpuShimUInt128()
+    {
+        UInt128 checksum = UInt128.Zero;
+
+        for (int i = 0; i < SampleCount; i++)
+        {
+            checksum ^= Pow2MontgomeryModWindowedGpuShim(_wideExponents[i], _wideModuli[i]);
+        }
+
+        return checksum;
+    }
+
     private void GetData(out ulong[] exponents, out MontgomeryDivisorData[] divisors, out ulong[] cycles)
     {
         switch (Scale)
@@ -350,6 +386,7 @@ public class Pow2MontgomeryModBenchmarks
             MontgomeryDivisorData[] largeDivisors,
             MontgomeryDivisorData[] veryLargeDivisors,
             UInt128[] wideModuli,
+            UInt128[] wideExponents,
             ulong[] smallExponents,
             ulong[] largeExponents,
             ulong[] veryLargeExponents,
@@ -362,6 +399,7 @@ public class Pow2MontgomeryModBenchmarks
             LargeDivisors = largeDivisors;
             VeryLargeDivisors = veryLargeDivisors;
             WideModuli = wideModuli;
+            WideExponents = wideExponents;
             SmallExponents = smallExponents;
             LargeExponents = largeExponents;
             VeryLargeExponents = veryLargeExponents;
@@ -375,6 +413,7 @@ public class Pow2MontgomeryModBenchmarks
         public MontgomeryDivisorData[] LargeDivisors { get; }
         public MontgomeryDivisorData[] VeryLargeDivisors { get; }
         public UInt128[] WideModuli { get; }
+        public UInt128[] WideExponents { get; }
         public ulong[] SmallExponents { get; }
         public ulong[] LargeExponents { get; }
         public ulong[] VeryLargeExponents { get; }
@@ -394,11 +433,13 @@ public class Pow2MontgomeryModBenchmarks
         {
             Random random = new(13);
             Random heuristicRandom = new(113);
+            Random wideRandom = new(19);
 
             var smallDivisors = new MontgomeryDivisorData[SampleCount];
             var largeDivisors = new MontgomeryDivisorData[SampleCount];
             var veryLargeDivisors = new MontgomeryDivisorData[SampleCount];
             var wideModuli = new UInt128[SampleCount];
+            var wideExponents = new UInt128[SampleCount];
             var smallExponents = new ulong[SampleCount];
             var largeExponents = new ulong[SampleCount];
             var veryLargeExponents = new ulong[SampleCount];
@@ -427,8 +468,9 @@ public class Pow2MontgomeryModBenchmarks
                 veryLargeExponents[i] = NextVeryLargeExponent(heuristicRandom);
                 veryLargeCycles[i] = CalculateCycleLengthWithHeuristics(veryLargeModulus, ref previousPrimeOrder);
 
-                UInt128 wideModulus = NextWideOddModulus(heuristicRandom);
+                UInt128 wideModulus = NextWideOddModulus(wideRandom);
                 wideModuli[i] = wideModulus;
+                wideExponents[i] = NextWideExponent(wideRandom);
                 wideCycles[i] = CalculateCycleLengthWithHeuristics(wideModulus, ref previousWidePrimeOrder);
             }
 
@@ -437,6 +479,7 @@ public class Pow2MontgomeryModBenchmarks
                 largeDivisors,
                 veryLargeDivisors,
                 wideModuli,
+                wideExponents,
                 smallExponents,
                 largeExponents,
                 veryLargeExponents,
@@ -483,10 +526,37 @@ public class Pow2MontgomeryModBenchmarks
         {
             Span<byte> buffer = stackalloc byte[16];
             random.NextBytes(buffer);
+
             ulong low = BinaryPrimitives.ReadUInt64LittleEndian(buffer);
-            ulong high = BinaryPrimitives.ReadUInt64LittleEndian(buffer[8..]) | (1UL << 63);
-            UInt128 value = ((UInt128)high << 64) | low;
-            return value | UInt128.One;
+            ulong high = BinaryPrimitives.ReadUInt64LittleEndian(buffer[8..]);
+            if (high == 0UL)
+            {
+                high = 1UL;
+            }
+
+            UInt128 modulus = ((UInt128)high << 64) | low;
+            modulus |= UInt128.One;
+
+            if (modulus <= UInt128.One)
+            {
+                modulus += 2UL;
+            }
+
+            return modulus;
+        }
+
+        private static UInt128 NextWideExponent(Random random)
+        {
+            Span<byte> buffer = stackalloc byte[16];
+            random.NextBytes(buffer);
+            ulong low = BinaryPrimitives.ReadUInt64LittleEndian(buffer);
+            ulong high = BinaryPrimitives.ReadUInt64LittleEndian(buffer[8..]);
+            if (high == 0UL)
+            {
+                high = 1UL;
+            }
+
+            return ((UInt128)high << 64) | low;
         }
 
         private static ulong CalculateCycleLengthWithHeuristics(ulong modulus, ref ulong? previousPrimeOrder)
@@ -851,6 +921,182 @@ public class Pow2MontgomeryModBenchmarks
         return (ulong)result;
     }
 
+    private static UInt128 Pow2MontgomeryModWindowedGpuShim(UInt128 exponent, UInt128 modulus)
+    {
+        if (modulus == UInt128.One)
+        {
+            return UInt128.Zero;
+        }
+
+        if (exponent == UInt128.Zero)
+        {
+            return UInt128.One % modulus;
+        }
+
+        GpuUInt128 modulusGpu = new(modulus);
+        GpuUInt128 exponentGpu = new(exponent);
+        GpuUInt128 baseValue = new(2UL);
+        if (baseValue.CompareTo(modulusGpu) >= 0)
+        {
+            baseValue.Sub(modulusGpu);
+        }
+
+        if (ShouldUseSingleBit(exponentGpu))
+        {
+            GpuUInt128 singleBitResult = Pow2MontgomeryModSingleBit(exponentGpu, modulusGpu, baseValue);
+            return (UInt128)singleBitResult;
+        }
+
+        int bitLength = exponentGpu.GetBitLength();
+        int windowSize = GetWindowSize(bitLength);
+        int oddPowerCount = 1 << (windowSize - 1);
+
+        Span<GpuUInt128> oddPowers = stackalloc GpuUInt128[oddPowerCount];
+        InitializeOddPowers(baseValue, modulusGpu, oddPowers);
+
+        GpuUInt128 result = GpuUInt128.One;
+        int index = bitLength - 1;
+
+        while (index >= 0)
+        {
+            if (!IsBitSet(exponentGpu, index))
+            {
+                result.MulMod(result, modulusGpu);
+                index--;
+                continue;
+            }
+
+            int windowStart = index - windowSize + 1;
+            if (windowStart < 0)
+            {
+                windowStart = 0;
+            }
+
+            while (!IsBitSet(exponentGpu, windowStart))
+            {
+                windowStart++;
+            }
+
+            int windowBitCount = index - windowStart + 1;
+            for (int square = 0; square < windowBitCount; square++)
+            {
+                result.MulMod(result, modulusGpu);
+            }
+
+            ulong windowValue = ExtractWindowValue(exponentGpu, windowStart, windowBitCount);
+            int tableIndex = (int)((windowValue - 1UL) >> 1);
+            GpuUInt128 factor = oddPowers[tableIndex];
+            result.MulMod(factor, modulusGpu);
+
+            index = windowStart - 1;
+        }
+
+        return (UInt128)result;
+    }
+
+    private static bool ShouldUseSingleBit(GpuUInt128 exponent)
+    {
+        if (exponent.High == 0UL && exponent.Low <= Pow2WindowFallbackThreshold)
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    private static int GetWindowSize(int bitLength)
+    {
+        if (bitLength <= 8)
+        {
+            return Math.Max(bitLength, 1);
+        }
+
+        if (bitLength <= 23)
+        {
+            return 4;
+        }
+
+        if (bitLength <= 79)
+        {
+            return 5;
+        }
+
+        if (bitLength <= 239)
+        {
+            return 6;
+        }
+
+        if (bitLength <= 671)
+        {
+            return 7;
+        }
+
+        return 8;
+    }
+
+    private static void InitializeOddPowers(GpuUInt128 baseValue, GpuUInt128 modulus, Span<GpuUInt128> oddPowers)
+    {
+        oddPowers[0] = baseValue;
+        if (oddPowers.Length == 1)
+        {
+            return;
+        }
+
+        baseValue.MulMod(baseValue, modulus);
+        for (int i = 1; i < oddPowers.Length; i++)
+        {
+            oddPowers[i] = oddPowers[i - 1];
+            oddPowers[i].MulMod(baseValue, modulus);
+        }
+    }
+
+    private static GpuUInt128 Pow2MontgomeryModSingleBit(GpuUInt128 exponent, GpuUInt128 modulus, GpuUInt128 baseValue)
+    {
+        GpuUInt128 result = GpuUInt128.One;
+
+        while (!exponent.IsZero)
+        {
+            if ((exponent.Low & 1UL) != 0UL)
+            {
+                result.MulMod(baseValue, modulus);
+            }
+
+            exponent.ShiftRight(1);
+            if (exponent.IsZero)
+            {
+                break;
+            }
+
+            baseValue.MulMod(baseValue, modulus);
+        }
+
+        return result;
+    }
+
+    private static bool IsBitSet(GpuUInt128 value, int bitIndex)
+    {
+        if (bitIndex >= 64)
+        {
+            return ((value.High >> (bitIndex - 64)) & 1UL) != 0UL;
+        }
+
+        return ((value.Low >> bitIndex) & 1UL) != 0UL;
+    }
+
+    private static ulong ExtractWindowValue(GpuUInt128 exponent, int windowStart, int windowBitCount)
+    {
+        if (windowStart != 0)
+        {
+            GpuUInt128 shifted = exponent;
+            shifted.ShiftRight(windowStart);
+            ulong mask = (1UL << windowBitCount) - 1UL;
+            return shifted.Low & mask;
+        }
+
+        ulong directMask = (1UL << windowBitCount) - 1UL;
+        return exponent.Low & directMask;
+    }
+
     private static ulong MultiplyMod(ulong x, ulong y, ulong modulus)
     {
         UInt128 product = (UInt128)x * y;

EvenPerfectBitScanner.Benchmarks/Pow2MontgomeryModUInt128Benchmarks.cs

@@ -1,308 +0,0 @@
-using System.Buffers.Binary;
-using BenchmarkDotNet.Attributes;
-using BenchmarkDotNet.Jobs;
-using PerfectNumbers.Core;
-using PerfectNumbers.Core.Gpu;
-
-namespace EvenPerfectBitScanner.Benchmarks;
-
-[MemoryDiagnoser]
-[SimpleJob(RuntimeMoniker.Net80, launchCount: 1, warmupCount: 1, iterationCount: 5)]
-public class Pow2MontgomeryModUInt128Benchmarks
-{
-    private const int SampleCount = 256;
-    private const ulong Pow2WindowFallbackThreshold = 32UL;
-
-    private UInt128[] _moduli = Array.Empty<UInt128>();
-    private UInt128[] _exponents = Array.Empty<UInt128>();
-
-    [GlobalSetup]
-    public void Setup()
-    {
-        WideSampleData cache = WideSampleDataCache.Instance;
-        _moduli = cache.Moduli;
-        _exponents = cache.Exponents;
-    }
-
-    private sealed class WideSampleData
-    {
-        public WideSampleData(UInt128[] moduli, UInt128[] exponents)
-        {
-            Moduli = moduli;
-            Exponents = exponents;
-        }
-
-        public UInt128[] Moduli { get; }
-        public UInt128[] Exponents { get; }
-    }
-
-    private static class WideSampleDataCache
-    {
-        private static readonly Lazy<WideSampleData> Cache = new(Create);
-
-        public static WideSampleData Instance => Cache.Value;
-
-        private static WideSampleData Create()
-        {
-            Random random = new(19);
-            var moduli = new UInt128[SampleCount];
-            var exponents = new UInt128[SampleCount];
-
-            for (int i = 0; i < SampleCount; i++)
-            {
-                moduli[i] = NextWideOddModulus(random);
-                exponents[i] = NextWideExponent(random);
-            }
-
-            return new WideSampleData(moduli, exponents);
-        }
-
-        private static UInt128 NextWideOddModulus(Random random)
-        {
-            Span<byte> buffer = stackalloc byte[16];
-            random.NextBytes(buffer);
-
-            ulong low = BinaryPrimitives.ReadUInt64LittleEndian(buffer);
-            ulong high = BinaryPrimitives.ReadUInt64LittleEndian(buffer[8..]);
-            if (high == 0UL)
-            {
-                high = 1UL;
-            }
-
-            UInt128 modulus = ((UInt128)high << 64) | low;
-            modulus |= UInt128.One;
-
-            if (modulus <= UInt128.One)
-            {
-                modulus += 2UL;
-            }
-
-            return modulus;
-        }
-
-        private static UInt128 NextWideExponent(Random random)
-        {
-            Span<byte> buffer = stackalloc byte[16];
-            random.NextBytes(buffer);
-
-            ulong low = BinaryPrimitives.ReadUInt64LittleEndian(buffer);
-            ulong high = BinaryPrimitives.ReadUInt64LittleEndian(buffer[8..]);
-            if (high == 0UL)
-            {
-                high = 1UL;
-            }
-
-            return ((UInt128)high << 64) | low;
-        }
-    }
-
-    /// <summary>
-    /// Current UInt128-native windowed Montgomery ladder that avoids GpuUInt128 on CPU paths.
-    /// </summary>
-    [Benchmark(Baseline = true)]
-    public UInt128 UInt128Windowed()
-    {
-        UInt128 checksum = UInt128.Zero;
-
-        for (int i = 0; i < SampleCount; i++)
-        {
-            checksum ^= _exponents[i].Pow2MontgomeryModWindowed(_moduli[i]);
-        }
-
-        return checksum;
-    }
-
-    /// <summary>
-    /// Previous CPU shim that reused the GPU-oriented GpuUInt128 implementation.
-    /// </summary>
-    [Benchmark]
-    public UInt128 GpuStructShim()
-    {
-        UInt128 checksum = UInt128.Zero;
-
-        for (int i = 0; i < SampleCount; i++)
-        {
-            checksum ^= Pow2MontgomeryModWindowedGpuShim(_exponents[i], _moduli[i]);
-        }
-
-        return checksum;
-    }
-
-    private static UInt128 Pow2MontgomeryModWindowedGpuShim(UInt128 exponent, UInt128 modulus)
-    {
-        if (modulus == UInt128.One)
-        {
-            return UInt128.Zero;
-        }
-
-        if (exponent == UInt128.Zero)
-        {
-            return UInt128.One % modulus;
-        }
-
-        GpuUInt128 modulusGpu = new(modulus);
-        GpuUInt128 exponentGpu = new(exponent);
-        GpuUInt128 baseValue = new(2UL);
-        if (baseValue.CompareTo(modulusGpu) >= 0)
-        {
-            baseValue.Sub(modulusGpu);
-        }
-
-        if (ShouldUseSingleBit(exponentGpu))
-        {
-            GpuUInt128 singleBitResult = Pow2MontgomeryModSingleBit(exponentGpu, modulusGpu, baseValue);
-            return (UInt128)singleBitResult;
-        }
-
-        int bitLength = exponentGpu.GetBitLength();
-        int windowSize = GetWindowSize(bitLength);
-        int oddPowerCount = 1 << (windowSize - 1);
-
-        Span<GpuUInt128> oddPowers = stackalloc GpuUInt128[oddPowerCount];
-        InitializeOddPowers(baseValue, modulusGpu, oddPowers);
-
-        GpuUInt128 result = GpuUInt128.One;
-        int index = bitLength - 1;
-
-        while (index >= 0)
-        {
-            if (!IsBitSet(exponentGpu, index))
-            {
-                result.MulMod(result, modulusGpu);
-                index--;
-                continue;
-            }
-
-            int windowStart = index - windowSize + 1;
-            if (windowStart < 0)
-            {
-                windowStart = 0;
-            }
-
-            while (!IsBitSet(exponentGpu, windowStart))
-            {
-                windowStart++;
-            }
-
-            int windowBitCount = index - windowStart + 1;
-            for (int square = 0; square < windowBitCount; square++)
-            {
-                result.MulMod(result, modulusGpu);
-            }
-
-            ulong windowValue = ExtractWindowValue(exponentGpu, windowStart, windowBitCount);
-            int tableIndex = (int)((windowValue - 1UL) >> 1);
-            GpuUInt128 factor = oddPowers[tableIndex];
-            result.MulMod(factor, modulusGpu);
-
-            index = windowStart - 1;
-        }
-
-        return (UInt128)result;
-    }
-
-    private static bool ShouldUseSingleBit(GpuUInt128 exponent)
-    {
-        if (exponent.High == 0UL && exponent.Low <= Pow2WindowFallbackThreshold)
-        {
-            return true;
-        }
-
-        return false;
-    }
-
-    private static int GetWindowSize(int bitLength)
-    {
-        if (bitLength <= 8)
-        {
-            return Math.Max(bitLength, 1);
-        }
-
-        if (bitLength <= 23)
-        {
-            return 4;
-        }
-
-        if (bitLength <= 79)
-        {
-            return 5;
-        }
-
-        if (bitLength <= 239)
-        {
-            return 6;
-        }
-
-        if (bitLength <= 671)
-        {
-            return 7;
-        }
-
-        return 8;
-    }
-
-    private static void InitializeOddPowers(GpuUInt128 baseValue, GpuUInt128 modulus, Span<GpuUInt128> oddPowers)
-    {
-        oddPowers[0] = baseValue;
-        if (oddPowers.Length == 1)
-        {
-            return;
-        }
-
-        // Reusing baseValue to hold base^2 for the shared odd-power ladder.
-        baseValue.MulMod(baseValue, modulus);
-        for (int i = 1; i < oddPowers.Length; i++)
-        {
-            oddPowers[i] = oddPowers[i - 1];
-            oddPowers[i].MulMod(baseValue, modulus);
-        }
-    }
-
-    private static GpuUInt128 Pow2MontgomeryModSingleBit(GpuUInt128 exponent, GpuUInt128 modulus, GpuUInt128 baseValue)
-    {
-        GpuUInt128 result = GpuUInt128.One;
-
-        while (!exponent.IsZero)
-        {
-            if ((exponent.Low & 1UL) != 0UL)
-            {
-                result.MulMod(baseValue, modulus);
-            }
-
-            exponent.ShiftRight(1);
-            if (exponent.IsZero)
-            {
-                break;
-            }
-
-            // Reusing baseValue to store the squared base for the next iteration.
-            baseValue.MulMod(baseValue, modulus);
-        }
-
-        return result;
-    }
-
-    private static bool IsBitSet(GpuUInt128 value, int bitIndex)
-    {
-        if (bitIndex >= 64)
-        {
-            return ((value.High >> (bitIndex - 64)) & 1UL) != 0UL;
-        }
-
-        return ((value.Low >> bitIndex) & 1UL) != 0UL;
-    }
-
-    private static ulong ExtractWindowValue(GpuUInt128 exponent, int windowStart, int windowBitCount)
-    {
-        if (windowStart != 0)
-        {
-            GpuUInt128 shifted = exponent;
-            shifted.ShiftRight(windowStart);
-            ulong mask = (1UL << windowBitCount) - 1UL;
-            return shifted.Low & mask;
-        }
-
-        ulong directMask = (1UL << windowBitCount) - 1UL;
-        return exponent.Low & directMask;
-    }
-}

EvenPerfectBitScanner.Benchmarks/Program.cs

@@ -9,9 +9,9 @@ public static class Program
         // var config = DefaultConfig.Instance.WithOptions(ConfigOptions.JoinSummary | ConfigOptions.DisableOptimizationsValidator);
         // BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args, config);
 
-        Pow2MontgomeryModBenchmarks benchmarks = new()
+        Pow2ModBenchmarks benchmarks = new()
         {
-            Scale = Pow2MontgomeryModBenchmarks.InputScale.Large
+            Scale = Pow2ModBenchmarks.InputScale.Large
         };
 
         GpuPrimeWorkLimiter.SetLimit(1);