Breaking change partially reverted

EvenPerfectBitScanner/Program.cs

@@ -372,8 +372,6 @@ internal static class Program
 			}
 		}
 
-		residueKMax = ResolveResidueMaxK(useResidue, residueKMaxExplicit, divisorCyclesLimitExplicit, residueKMax, divisorCyclesSearchLimit128);
-
 		if (showHelp)
 		{
 			PrintHelp();

PerfectNumbers.Core/Gpu/MersenneNumberResidueGpuTester.cs

@@ -16,6 +16,7 @@ public class MersenneNumberResidueGpuTester(bool useGpuOrder)
 	{
 		var gpuLease = GpuKernelPool.GetKernel(_useGpuOrder);
 		var accelerator = gpuLease.Accelerator;
+		var stream = gpuLease.Stream;
 		// Ensure device has small cycles and primes tables for in-kernel lookup
 		var smallCyclesView = GpuKernelPool.EnsureSmallCyclesOnDevice(accelerator);
 		ResiduePrimeViews primeViews = GpuKernelPool.EnsureSmallPrimesOnDevice(accelerator);
@@ -62,8 +63,9 @@ public class MersenneNumberResidueGpuTester(bool useGpuOrder)
 				q.Mod10_8_5_3(out ulong q0m10, out ulong q0m8, out ulong q0m5, out ulong q0m3);
 				var ra = new ResidueAutomatonArgs(q0m10, step10, q0m8, step8, q0m3, step3, q0m5, step5);
 
-                                kernel(currentSize, exponent, twoPGpu, (GpuUInt128)kStart, last, 0UL,
-                                        ra, orderBuffer.View, smallCyclesView, primeViews.LastOne, primeViews.LastSeven, primeViews.LastOnePow2, primeViews.LastSevenPow2);
+				kernel(stream, currentSize, exponent, twoPGpu, (GpuUInt128)kStart, last, 0UL,
+						ra, orderBuffer.View, smallCyclesView, primeViews.LastOne, primeViews.LastSeven, primeViews.LastOnePow2, primeViews.LastSevenPow2);                                // kernel(currentSize, exponent, twoPGpu, (GpuUInt128)kStart, last, 0UL,
+																																														   //         ra, orderBuffer.View, smallCyclesView, primeViews.LastOne, primeViews.LastSeven, primeViews.LastOnePow2, primeViews.LastSevenPow2);
 
 				accelerator.Synchronize();
 				orderBuffer.View.CopyToCPU(ref MemoryMarshal.GetReference(orders), currentSize);

PerfectNumbers.Core/MersenneNumberTester.cs

@@ -16,6 +16,7 @@ public enum GpuKernelType
 }
 
 public sealed class MersenneNumberTester(
+	UInt128 maxK,
     bool useIncremental = true,
     bool useOrderCache = false,
     GpuKernelType kernelType = GpuKernelType.Incremental,
@@ -24,12 +25,11 @@ public sealed class MersenneNumberTester(
     bool useGpuLucas = true,
     bool useGpuScan = true,
     bool useGpuOrder = true,
-	bool useResidue = true,
-    ulong maxK = 5_000_000UL)
+	bool useResidue = true)
 {
     private readonly bool _useResidue = useResidue;
     private readonly bool _useIncremental = useIncremental && !useResidue;
-        private readonly ulong _maxK = maxK;
+        private readonly UInt128 _maxK = maxK;
 	private readonly GpuKernelType _kernelType = kernelType;
     private readonly bool _useModuloWorkaround = useModuloWorkaround;
     private readonly bool _useGpuLucas = useGpuLucas;
@@ -228,11 +228,6 @@ public sealed class MersenneNumberTester(
         // In residue mode the residue scan is the final primality check.
         if (_useResidue)
         {
-            if ((UInt128)_maxK < maxK)
-            {
-                maxK = _maxK;
-            }
-
             if (_useGpuScan)
             {
                 _residueGpuTester!.Scan(exponent, twoP, lastIsSeven, maxK, ref prePrime);