From 67c1d9309a4baf60f262d216505581b2c8f9f26d Mon Sep 17 00:00:00 2001
From: mlemanczyk <marek@lemanczyk.eu>
Date: Sun, 30 Nov 2025 15:37:01 +0100
Subject: [PATCH] Reusing prime work limiter to limit the number of active
 threads.

---
 PerfectNumbers.Core/MersenneNumberDivisorByDivisorTester.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/PerfectNumbers.Core/MersenneNumberDivisorByDivisorTester.cs b/PerfectNumbers.Core/MersenneNumberDivisorByDivisorTester.cs
index a48fd49..de15c2e 100644
--- a/PerfectNumbers.Core/MersenneNumberDivisorByDivisorTester.cs
+++ b/PerfectNumbers.Core/MersenneNumberDivisorByDivisorTester.cs
@@ -1,6 +1,7 @@
 using System.Buffers;
 using System.Globalization;
 using System.Runtime.InteropServices;
+using PerfectNumbers.Core.Gpu;
 using PerfectNumbers.Core.Gpu.Accelerators;
 
 namespace PerfectNumbers.Core;
@@ -296,6 +297,7 @@ public static class MersenneNumberDivisorByDivisorTester
 					() =>
 					{
 						startGate.Wait();
+						GpuPrimeWorkLimiter.Acquire();
 						Console.WriteLine($"Task started for range {rangeStart}");
 
 						var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
@@ -307,6 +309,7 @@ public static class MersenneNumberDivisorByDivisorTester
 						PrimeOrderCalculatorAccelerator.Return(gpu);
 						Console.WriteLine($"Task finished for range {rangeStart}");
 						PrimeOrderCalculatorAccelerator.DisposeAll();
+						GpuPrimeWorkLimiter.Acquire();
 					},
 					CancellationToken.None,
 					TaskCreationOptions.DenyChildAttach,