mlemanczyk/even-perfect-numbers-scanner
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

PrimeOrderCalculatorAccelerator.Rent is now created outside of the loops and re-used for all calculations.

Browse Source
This commit is contained in:
mlemanczyk committed 2025-11-24 22:51:53 +01:00
1 parent 57a50e2a37
commit b9ca95bf8c
53 files changed
+4639 -4229
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

PerfectNumbers.Core.Tests/MersenneNumberTester/MersenneNumberTesterTests.cs
+48 -23
View File
@@ -1,4 +1,5 @@
using FluentAssertions;
using PerfectNumbers.Core.Gpu.Accelerators;
using Xunit;
namespace PerfectNumbers.Core.Tests;
@@ -7,30 +8,54 @@ namespace PerfectNumbers.Core.Tests;
[Trait("Category", "Fast")]
public class MersenneNumberTesterTests
{
[Theory]
[InlineData(136_000_002UL)]
[InlineData(136_000_005UL)]
public void IsMersennePrime_detects_small_prime_divisors_for_large_exponents(ulong p)
{
var tester = new MersenneNumberTester();
tester.IsMersennePrime(p).Should().BeFalse();
}
[Theory]
[InlineData(136_000_002UL)]
[InlineData(136_000_005UL)]
public void IsMersennePrime_detects_small_prime_divisors_for_large_exponents(ulong p)
{
var tester = new MersenneNumberTester();
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
tester.IsMersennePrime(gpu, p).Should().BeFalse();
}
finally
{
PrimeOrderCalculatorAccelerator.Return(gpu);
}
}
[Theory]
[InlineData(125UL)]
public void WarmUpOrders_populates_cache_without_affecting_results(ulong p)
{
var tester = new MersenneNumberTester(useOrderCache: true, useGpuOrder: true);
tester.WarmUpOrders(p, 1_000UL);
tester.IsMersennePrime(p).Should().BeFalse();
}
[Theory]
[InlineData(125UL)]
public void WarmUpOrders_populates_cache_without_affecting_results(ulong p)
{
var tester = new MersenneNumberTester(useOrderCache: true, useGpuOrder: true);
tester.WarmUpOrders(p, 1_000UL);
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
tester.IsMersennePrime(gpu, p).Should().BeFalse();
}
finally
{
PrimeOrderCalculatorAccelerator.Return(gpu);
}
}
[Theory]
[InlineData(125UL, true)]
[InlineData(127UL, false)]
public void SharesFactorWithExponentMinusOne_detects_common_factors(ulong p, bool expected)
{
p.SharesFactorWithExponentMinusOne().Should().Be(expected);
}
[Theory]
[InlineData(125UL, true)]
[InlineData(127UL, false)]
public void SharesFactorWithExponentMinusOne_detects_common_factors(ulong p, bool expected)
{
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
p.SharesFactorWithExponentMinusOne(gpu).Should().Be(expected);
}
finally
{
PrimeOrderCalculatorAccelerator.Return(gpu);
}
}
}
PerfectNumbers.Core.Tests/MersenneNumberTester/MersenneResidueModeTests.cs
+38 -21
View File
@@ -1,4 +1,5 @@
using FluentAssertions;
using PerfectNumbers.Core.Gpu.Accelerators;
using Xunit;
namespace PerfectNumbers.Core.Tests;
@@ -6,27 +7,43 @@ namespace PerfectNumbers.Core.Tests;
[Trait("Category", "Fast")]
public class MersenneResidueModeTests
{
[Fact]
public void IsMersennePrime_residue_mode_rejects_composite_exponent()
{
var tester = new MersenneNumberTester(
useResidue: true,
useIncremental: false,
useGpuScan: false,
useGpuOrder: false);
tester.IsMersennePrime(136_000_002UL).Should().BeFalse();
}
[Fact]
public void IsMersennePrime_residue_mode_rejects_composite_exponent()
{
var tester = new MersenneNumberTester(
useResidue: true,
useIncremental: false,
useGpuScan: false,
useGpuOrder: false);
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
tester.IsMersennePrime(gpu, 136_000_002UL).Should().BeFalse();
}
finally
{
PrimeOrderCalculatorAccelerator.Return(gpu);
}
}
[Fact]
public void IsMersennePrime_residue_mode_accepts_prime_exponent()
{
var tester = new MersenneNumberTester(
useResidue: true,
useIncremental: true,
useGpuScan: false,
useGpuOrder: false,
maxK: 1_000UL);
tester.IsMersennePrime(31UL).Should().BeTrue();
}
[Fact]
public void IsMersennePrime_residue_mode_accepts_prime_exponent()
{
var tester = new MersenneNumberTester(
useResidue: true,
useIncremental: true,
useGpuScan: false,
useGpuOrder: false,
maxK: 1_000UL);
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
tester.IsMersennePrime(gpu, 31UL).Should().BeTrue();
}
finally
{
PrimeOrderCalculatorAccelerator.Return(gpu);
}
}
}