Merge branch 'main' into users/alexpeck/skipinit

Author: bitfaster

BitFaster.Caching.UnitTests/Buffers/MpmcBoundedBufferSoakTests.cs

@@ -22,7 +22,7 @@ public MpmcBoundedBufferSoakTests(ITestOutputHelper testOutputHelper)
         }
 
         [Theory]
-        [Repeat(3)]
+        [Repeat(10)]
         public async Task WhenAddIsContendedBufferCanBeFilled(int iteration)
         {
             this.testOutputHelper.WriteLine($"Iteration {iteration}");

BitFaster.Caching.UnitTests/Buffers/MpscBoundedBufferSoakTests.cs

@@ -22,7 +22,7 @@ public MpscBoundedBufferSoakTests(ITestOutputHelper testOutputHelper)
         }
 
         [Theory]
-        [Repeat(3)]
+        [Repeat(10)]
         public async Task WhenAddIsContendedBufferCanBeFilled(int iteration)
         {
             this.testOutputHelper.WriteLine($"Iteration {iteration}");

BitFaster.Caching/Lfu/ConcurrentLfu.cs

@@ -188,9 +188,13 @@ public void Trim(int itemCount)
                 TakeCandidatesInLruOrder(this.probationLru, candidates, itemCount);
                 TakeCandidatesInLruOrder(this.protectedLru, candidates, itemCount);
                 TakeCandidatesInLruOrder(this.windowLru, candidates, itemCount);
-            }
-
+            }
+
+#if NET6_0_OR_GREATER
+            foreach (var candidate in CollectionsMarshal.AsSpan(candidates))
+#else
             foreach (var candidate in candidates)
+#endif
             {
                 this.TryRemove(candidate.Key);
             }