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Hybrid device mode implemented as the current --mersenne=bydivisor CPU execution path. CPU path is now limited to CPU calculations, only.

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mlemanczyk committed 2025-12-01 03:45:39 +01:00
1 parent 353a121d03
commit 941733905b
49 files changed
+4965 -1726
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PerfectNumbers.Core.Tests/ULongExtensionsTests.cs
+39 -7
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@@ -68,14 +68,27 @@ public class ULongExtensionsTests
[InlineData(5UL)]
[InlineData(7UL)]
[InlineData(11UL)]
public void CalculateOrder_matches_naive_algorithm(ulong q)
public void CalculateOrderCpu_matches_naive_algorithm(ulong q)
{
ulong expected = NaiveOrder(q);
q.CalculateOrderCpu().Should().Be(expected);
}
[Theory]
[Trait("Category", "Fast")]
[InlineData(3UL)]
[InlineData(5UL)]
[InlineData(7UL)]
[InlineData(11UL)]
public void CalculateOrderGpu_matches_naive_algorithm(ulong q)
{
ulong expected = NaiveOrder(q);
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
q.CalculateOrder(gpu).Should().Be(expected);
q.CalculateOrderGpu(gpu).Should().Be(expected);
}
finally
{
@@ -119,12 +132,22 @@ public class ULongExtensionsTests
[InlineData(15UL, true)]
[InlineData(7UL, false)]
[InlineData(9UL, false)]
public void SharesFactorWithExponentMinusOne_detects_relationship(ulong exponent, bool expected)
public void SharesFactorWithExponentMinusOneCpu_detects_relationship(ulong exponent, bool expected)
{
exponent.SharesFactorWithExponentMinusOneCpu().Should().Be(expected);
}
[Theory]
[Trait("Category", "Fast")]
[InlineData(15UL, true)]
[InlineData(7UL, false)]
[InlineData(9UL, false)]
public void SharesFactorWithExponentMinusOneGpu_detects_relationship(ulong exponent, bool expected)
{
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
exponent.SharesFactorWithExponentMinusOne(gpu).Should().Be(expected);
exponent.SharesFactorWithExponentMinusOneGpu(gpu).Should().Be(expected);
}
finally
{
@@ -213,15 +236,24 @@ public class ULongExtensionsTests
[Theory]
[Trait("Category", "Fast")]
[InlineData(11UL, 13UL)]
public void PowModCrt_matches_BigInteger(ulong exponent, ulong modulus)
public void PowModCrtCpu_matches_BigInteger(ulong exponent, ulong modulus)
{
UInt128 expected = (UInt128)BigInteger.ModPow(2, exponent, modulus);
exponent.PowModCrtCpu((UInt128)modulus).Should().Be(expected);
}
[Theory]
[Trait("Category", "Fast")]
[InlineData(11UL, 13UL)]
public void PowModCrtGpu_matches_BigInteger(ulong exponent, ulong modulus)
{
MersenneDivisorCycles cycles = MersenneDivisorCycles.Shared;
UInt128 expected = (UInt128)BigInteger.ModPow(2, exponent, modulus);
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
try
{
exponent.PowModCrt(gpu, (UInt128)modulus, cycles).Should().Be(expected);
exponent.PowModCrtGpu(gpu, (UInt128)modulus).Should().Be(expected);
}
finally
{