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MersenneDivisorCycles converted to device template.

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mlemanczyk committed 2025-12-19 04:03:27 +01:00
1 parent 31ecf24522
commit 74837a407e
23 files changed
+272 -647
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PerfectNumbers.Core.Tests/MersenneDivisorCyclesGenerateGpuTests.cs
+5 -5
View File
@@ -14,7 +14,7 @@ public class MersenneDivisorCyclesGenerateGpuTests
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
MersenneDivisorCycles.GenerateGpu(path, maxDivisor: 50UL, batchSize: 16, skipCount: 0, nextPosition: 0);
MersenneDivisorCyclesGpu.GenerateGpu(path, maxDivisor: 50UL, batchSize: 16, skipCount: 0, nextPosition: 0);
var pairs = new List<(ulong divisor, ulong cycle)>();
using var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
using var reader = new BinaryReader(stream);
@@ -41,7 +41,7 @@ public class MersenneDivisorCyclesGenerateGpuTests
{
expected.Should().Contain(pair.divisor);
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(pair.divisor);
pair.cycle.Should().Be(MersenneDivisorCycles.CalculateCycleLengthCpu(pair.divisor, divisorData));
pair.cycle.Should().Be(MersenneDivisorCyclesCpu.CalculateCycleLength(pair.divisor, divisorData));
}
}
finally
@@ -61,7 +61,7 @@ public class MersenneDivisorCyclesGenerateGpuTests
string path = Path.GetTempFileName();
try
{
MersenneDivisorCycles.Generate(path, maxDivisor: 50UL, threads: 4);
MersenneDivisorCyclesCpu.Generate(path, maxDivisor: 50UL, threads: 4);
var pairs = new List<(ulong divisor, ulong cycle)>();
using var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
@@ -91,12 +91,12 @@ public class MersenneDivisorCyclesGenerateGpuTests
{
uniqueDivisors.Add(pair.divisor).Should().BeTrue();
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(pair.divisor);
pair.cycle.Should().Be(MersenneDivisorCycles.CalculateCycleLengthCpu(pair.divisor, divisorData));
pair.cycle.Should().Be(MersenneDivisorCyclesCpu.CalculateCycleLength(pair.divisor, divisorData));
}
uniqueDivisors.Should().BeEquivalentTo(expected);
var (_, completeCount) = MersenneDivisorCycles.FindLast(path);
var (_, completeCount) = MersenneDivisorCyclesCpu.FindLast(path);
completeCount.Should().Be(expected.Count);
}
finally
PerfectNumbers.Core.Tests/MersenneDivisorCyclesTests.cs
+2 -2
View File
@@ -23,8 +23,8 @@ public class MersenneDivisorCyclesTests
try
{
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(divisor);
MersenneDivisorCycles.CalculateCycleLengthCpu(divisor, divisorData).Should().Be(expected);
MersenneDivisorCycles.CalculateCycleLengthGpu(divisor).Should().Be(expected);
MersenneDivisorCyclesCpu.CalculateCycleLength(divisor, divisorData).Should().Be(expected);
MersenneDivisorCyclesGpu.CalculateCycleLength(gpu, divisor, divisorData).Should().Be(expected);
}
finally
{
PerfectNumbers.Core.Tests/MersenneNumberDivisorCpuTesterTests.cs
+5 -4
View File
@@ -41,13 +41,13 @@ public class MersenneNumberDivisorCpuTesterTests
ulong[] primes = [5UL, 7UL, 11UL, 13UL];
ulong cycle23 = MersenneDivisorCycles.CalculateCycleLengthCpu(23UL, MontgomeryDivisorData.FromModulus(23UL));
ulong cycle23 = MersenneDivisorCyclesCpu.CalculateCycleLength(23UL, MontgomeryDivisorData.FromModulus(23UL));
session.CheckDivisor(23UL, MontgomeryDivisorData.FromModulus(23UL), cycle23, primes).Should().BeTrue();
ulong[] primesWithoutHit = [5UL, 7UL, 13UL];
session.CheckDivisor(23UL, MontgomeryDivisorData.FromModulus(23UL), cycle23, primesWithoutHit).Should().BeFalse();
ulong cycle31 = MersenneDivisorCycles.CalculateCycleLengthCpu(31UL, MontgomeryDivisorData.FromModulus(31UL));
ulong cycle31 = MersenneDivisorCyclesCpu.CalculateCycleLength(31UL, MontgomeryDivisorData.FromModulus(31UL));
session.CheckDivisor(31UL, MontgomeryDivisorData.FromModulus(31UL), cycle31, primes).Should().BeTrue();
ulong[] primesBeforeHit = [7UL, 11UL, 13UL];
@@ -63,7 +63,7 @@ public class MersenneNumberDivisorCpuTesterTests
ulong[] exponents = [6UL, 7UL, 9UL, 10UL, 12UL];
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(7UL);
ulong cycle = MersenneDivisorCycles.CalculateCycleLengthCpu(7UL, divisorData);
ulong cycle = MersenneDivisorCyclesCpu.CalculateCycleLength(7UL, divisorData);
session.CheckDivisor(7UL, divisorData, cycle, exponents).Should().BeTrue();
ulong[] nonDivisibleExponents = [5UL, 11UL];
@@ -79,7 +79,7 @@ public class MersenneNumberDivisorCpuTesterTests
ulong[] exponents = [10UL, 11UL, 20UL, 21UL, 30UL];
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(11UL);
ulong cycle = MersenneDivisorCycles.CalculateCycleLengthCpu(11UL, divisorData);
ulong cycle = MersenneDivisorCyclesCpu.CalculateCycleLength(11UL, divisorData);
session.CheckDivisor(11UL, divisorData, cycle, exponents).Should().BeTrue();
ulong[] nonDivisibleExponents = [5UL, 17UL];
@@ -104,3 +104,4 @@ public class MersenneNumberDivisorCpuTesterTests
}
}
PerfectNumbers.Core.Tests/MersenneNumberDivisorGpuTesterTests.cs
+10 -10
View File
@@ -235,13 +235,13 @@ public class MersenneNumberDivisorGpuTesterTests
ulong[] primes = [31UL, 37UL, 41UL, 43UL];
ulong cycle223 = MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, 223UL, MontgomeryDivisorData.FromModulus(223UL));
ulong cycle223 = MersenneDivisorCyclesGpu.CalculateCycleLength(gpu, 223UL, MontgomeryDivisorData.FromModulus(223UL));
session.CheckDivisor(223UL, MontgomeryDivisorData.FromModulus(223UL), cycle223, primes).Should().BeTrue();
ulong[] primesBeforeHit = [31UL];
session.CheckDivisor(223UL, MontgomeryDivisorData.FromModulus(223UL), cycle223, primesBeforeHit).Should().BeFalse();
ulong cycle13367 = MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, 13367UL, MontgomeryDivisorData.FromModulus(13367UL));
ulong cycle13367 = MersenneDivisorCyclesGpu.CalculateCycleLength(gpu, 13367UL, MontgomeryDivisorData.FromModulus(13367UL));
session.CheckDivisor(13367UL, MontgomeryDivisorData.FromModulus(13367UL), cycle13367, primes).Should().BeTrue();
ulong[] primesWithoutMatchingExponent = [31UL, 37UL, 43UL];
@@ -271,7 +271,7 @@ public class MersenneNumberDivisorGpuTesterTests
ulong[] primes = [31UL, 37UL, 41UL, 43UL, 47UL];
ulong cycle223 = MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, 223UL, MontgomeryDivisorData.FromModulus(223UL));
ulong cycle223 = MersenneDivisorCyclesGpu.CalculateCycleLength(gpu, 223UL, MontgomeryDivisorData.FromModulus(223UL));
session.CheckDivisor(223UL, MontgomeryDivisorData.FromModulus(223UL), cycle223, primes).Should().BeTrue();
ulong[] primesBeforeHit = [31UL];
@@ -302,7 +302,7 @@ public class MersenneNumberDivisorGpuTesterTests
ulong[] exponents = [6UL, 7UL, 9UL, 10UL, 12UL];
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(7UL);
ulong cycle = MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, 7UL, divisorData);
ulong cycle = MersenneDivisorCyclesGpu.CalculateCycleLength(gpu, 7UL, divisorData);
session.CheckDivisor(7UL, divisorData, cycle, exponents).Should().BeTrue();
@@ -329,7 +329,7 @@ public class MersenneNumberDivisorGpuTesterTests
ulong[] exponents = [10UL, 11UL, 20UL, 21UL, 30UL];
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(11UL);
ulong cycle = MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, 11UL, divisorData);
ulong cycle = MersenneDivisorCyclesGpu.CalculateCycleLength(gpu, 11UL, divisorData);
session.CheckDivisor(11UL, divisorData, cycle, exponents).Should().BeTrue();
@@ -346,9 +346,9 @@ public class MersenneNumberDivisorGpuTesterTests
[Trait("Category", "Fast")]
public void ByDivisor_gpu_tester_skips_divisors_excluded_by_small_cycle_generation()
{
var cycles = MersenneDivisorCycles.Shared;
var tableField = typeof(MersenneDivisorCycles).GetField("_table", BindingFlags.NonPublic | BindingFlags.Instance)!;
var smallCyclesField = typeof(MersenneDivisorCycles).GetField("_smallCycles", BindingFlags.NonPublic | BindingFlags.Instance)!;
var cycles = MersenneDivisorCyclesGpu.Shared;
var tableField = typeof(MersenneDivisorCyclesGpu).GetField("_table", BindingFlags.NonPublic | BindingFlags.Instance)!;
var smallCyclesField = typeof(MersenneDivisorCyclesGpu).GetField("_smallCycles", BindingFlags.NonPublic | BindingFlags.Instance)!;
var originalTable = (List<(ulong Divisor, ulong Cycle)>)tableField.GetValue(cycles)!;
var originalSmall = (ulong[]?)smallCyclesField.GetValue(cycles);
@@ -360,7 +360,7 @@ public class MersenneNumberDivisorGpuTesterTests
ulong[] patchedSmall = new ulong[PerfectNumberConstants.MaxQForDivisorCycles + 1];
MontgomeryDivisorData divisorData = MontgomeryDivisorData.FromModulus(191UL);
patchedSmall[191] = MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, 191UL, divisorData);
patchedSmall[191] = MersenneDivisorCyclesGpu.CalculateCycleLength(gpu, 191UL, divisorData);
tableField.SetValue(cycles, patchedTable);
smallCyclesField.SetValue(cycles, patchedSmall);
@@ -393,7 +393,7 @@ public class MersenneNumberDivisorGpuTesterTests
var session = new MersenneCpuDivisorScanSessionWithCpuOrder();
ulong[] primes = [31UL, 37UL, 41UL, 43UL, 47UL];
ulong cycle223 = MersenneDivisorCycles.CalculateCycleLengthCpu(223UL, MontgomeryDivisorData.FromModulus(223UL));
ulong cycle223 = MersenneDivisorCyclesCpu.CalculateCycleLength(223UL, MontgomeryDivisorData.FromModulus(223UL));
session.CheckDivisor(223UL, MontgomeryDivisorData.FromModulus(223UL), cycle223, primes).Should().BeTrue();
ulong[] primesBeforeHit = [31UL];
PerfectNumbers.Core.Tests/MersenneNumberOrderGpuTesterTests.cs
+3 -4
View File
@@ -45,9 +45,9 @@ public class MersenneNumberOrderGpuTesterTests
writer.Write((ulong)uint.MaxValue);
}
var cycles = MersenneDivisorCycles.Shared;
var tableField = typeof(MersenneDivisorCycles).GetField("_table", BindingFlags.NonPublic | BindingFlags.Instance)!;
var smallCyclesField = typeof(MersenneDivisorCycles).GetField("_smallCycles", BindingFlags.NonPublic | BindingFlags.Instance)!;
var cycles = MersenneDivisorCyclesGpu.Shared;
var tableField = typeof(MersenneDivisorCyclesGpu).GetField("_table", BindingFlags.NonPublic | BindingFlags.Instance)!;
var smallCyclesField = typeof(MersenneDivisorCyclesGpu).GetField("_smallCycles", BindingFlags.NonPublic | BindingFlags.Instance)!;
var originalTable = ((List<(ulong Divisor, ulong Cycle)>)tableField.GetValue(cycles)!).Select(x => x).ToList();
var originalSmall = (ulong[]?)smallCyclesField.GetValue(cycles);
@@ -88,4 +88,3 @@ public class MersenneNumberOrderGpuTesterTests
isPrime.Should().Be(expectedPrime);
}
}
PerfectNumbers.Core.Tests/PrimeOrderCalculatorTests.cs
+2 -1
View File
@@ -193,7 +193,7 @@ public class PrimeOrderCalculatorTests
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
var mersenneDivisorCycles = MersenneDivisorCycles.GetCycleGpu(gpu, prime).Should().Be((UInt128)1229782938247309446UL);
var mersenneDivisorCycles = MersenneDivisorCyclesGpu.GetCycle(gpu, prime).Should().Be((UInt128)1229782938247309446UL);
}
finally
{
@@ -225,3 +225,4 @@ public class PrimeOrderCalculatorTests
return order;
}
}