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Allocate WeakKeyDictionary`2 with smaller initial capacities #222

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Apr 4, 2018
Merged

Allocate WeakKeyDictionary`2 with smaller initial capacities #222

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2 changes: 1 addition & 1 deletion src/Microsoft.VisualStudio.Threading/AsyncReaderWriterResourceLock.cs
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Expand Up @@ -477,7 +477,7 @@ internal class Helper
/// <summary>
/// A map of resources to the tasks that most recently began evaluating them.
/// </summary>
private WeakKeyDictionary<TResource, ResourcePreparationTaskAndValidity> resourcePreparationTasks = new WeakKeyDictionary<TResource, ResourcePreparationTaskAndValidity>();
private WeakKeyDictionary<TResource, ResourcePreparationTaskAndValidity> resourcePreparationTasks = new WeakKeyDictionary<TResource, ResourcePreparationTaskAndValidity>(capacity: 2);

/// <summary>
/// Initializes a new instance of the <see cref="Helper"/> class.
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4 changes: 2 additions & 2 deletions src/Microsoft.VisualStudio.Threading/JoinableTaskCollection.cs
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Expand Up @@ -26,14 +26,14 @@ public class JoinableTaskCollection : IEnumerable<JoinableTask>
/// The value is the number of times the joinable was added to this collection (and not yet removed)
/// if this collection is ref counted; otherwise the value is always 1.
/// </summary>
private readonly WeakKeyDictionary<JoinableTask, int> joinables = new WeakKeyDictionary<JoinableTask, int>();
private readonly WeakKeyDictionary<JoinableTask, int> joinables = new WeakKeyDictionary<JoinableTask, int>(capacity: 2);

/// <summary>
/// The set of joinable tasks that have Joined this collection -- that is, the set of joinable tasks that are interested
/// in the completion of any and all joinable tasks that belong to this collection.
/// The value is the number of times a particular joinable task has Joined this collection.
/// </summary>
private readonly WeakKeyDictionary<JoinableTask, int> joiners = new WeakKeyDictionary<JoinableTask, int>();
private readonly WeakKeyDictionary<JoinableTask, int> joiners = new WeakKeyDictionary<JoinableTask, int>(capacity: 2);

/// <summary>
/// A value indicating whether joinable tasks are only removed when completed or removed as many times as they were added.
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