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| dotnet:collection_generic_performance [2009/03/25 09:11] – ともやん | dotnet:collection_generic_performance [2019/05/18 02:23] (現在) – 外部編集 非ログインユーザー | ||
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| 行 1: | 行 1: | ||
| - | ====== コレクション | + | ====== コレクション クラス の性能比較 ====== |
| + | 計算量や速度については、[[algorithm: | ||
| - | ===== Dictionary< | + | ===== System.Collections.Generic 名前空間 ===== |
| + | ==== Dictionary< | ||
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 13: | 行 15: | ||
| |Item |O(1)に近い | |Item |O(1)に近い | ||
| - | ===== HashSet< | + | ==== HashSet< |
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 23: | 行 25: | ||
| |Count | |Count | ||
| - | ===== LinkedList< | + | ==== LinkedList< |
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 36: | 行 38: | ||
| |Count、First、Last | |Count、First、Last | ||
| - | ===== List< | + | ==== List< |
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 57: | 行 59: | ||
| |Item |O(1) | | |Item |O(1) | | ||
| - | ===== Queue< | + | ==== Queue< |
| + | ^処理^計算量^ | ||
| + | ^メソッド^^ | ||
| + | |Clear | ||
| + | |Contains | ||
| + | |Dequeue | ||
| + | |Enqueue | ||
| + | |Peek |O(1) | | ||
| + | |TrimExcess | ||
| + | ^プロパティ^^ | ||
| + | |Count | ||
| + | |||
| + | ==== SortedDictionary< | ||
| + | ^処理^計算量^ | ||
| + | ^メソッド^^ | ||
| + | |Add |O(log n) | | ||
| + | |Clear | ||
| + | |ContainsKey | ||
| + | |ContainsValue | ||
| + | |Remove | ||
| + | |TryGetValue | ||
| + | ^プロパティ^^ | ||
| + | |Count | ||
| + | |Item |取得: O(log n)\\ 設定: O(log n) | | ||
| + | |||
| + | ==== SortedList< | ||
| + | ^処理^計算量^ | ||
| + | ^メソッド^^ | ||
| + | |Add |未ソートデータ追加: | ||
| + | |Clear | ||
| + | |ContainsKey | ||
| + | |ContainsValue | ||
| + | |IndexOfKey | ||
| + | |IndexOfValue | ||
| + | |Remove | ||
| + | |RemoveAt | ||
| + | |TrimExcess | ||
| + | |TryGetValue | ||
| + | ^プロパティ^^ | ||
| + | |Count | ||
| + | |Item |取得: O(log n)\\ 設定: O(log n)\\ 未ソートデータ追加: | ||
| + | |||
| + | ==== Stack< | ||
| + | ^処理^計算量^ | ||
| + | ^メソッド^^ | ||
| + | |Clear | ||
| + | |Contains | ||
| + | |Peek |O(1) | | ||
| + | |Pop |O(1) | | ||
| + | |Push |O(1) | | ||
| + | |TrimExcess | ||
| + | ^プロパティ^^ | ||
| + | |Count | ||
| + | |||
| + | ===== System.Collections.Specialized 名前空間 ===== | ||
| + | ==== HybridDictionary | ||
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 64: | 行 121: | ||
| | | | | | | | | ||
| - | ===== SortedDictionary< | + | ==== ListDictionary |
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 71: | 行 128: | ||
| | | | | | | | | ||
| - | ===== SortedList< | + | ==== NameObjectCollectionBase |
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 78: | 行 135: | ||
| | | | | | | | | ||
| - | ===== Stack< | + | ==== NameValueCollection |
| ^処理^計算量^ | ^処理^計算量^ | ||
| ^メソッド^^ | ^メソッド^^ | ||
| 行 85: | 行 142: | ||
| | | | | | | | | ||
| - | O-記法については [[http:// | + | ==== OrderedDictionary ==== |
| + | ^処理^計算量^ | ||
| + | ^メソッド^^ | ||
| + | | | | | ||
| + | ^プロパティ^^ | ||
| + | | | | | ||
| + | |||
| + | ==== StringCollection ==== | ||
| + | ^処理^計算量^ | ||
| + | ^メソッド^^ | ||
| + | | | | | ||
| + | ^プロパティ^^ | ||
| + | | | | | ||
| + | |||
| + | ==== StringDictionary ==== | ||
| + | ^処理^計算量^ | ||
| + | ^メソッド^^ | ||
| + | |Add |O(1) | | ||
| + | |Clear | ||
| + | |ContainsKey | ||
| + | |ContainsValue | ||
| + | |CopyTo | ||
| + | |GetEnumerator | ||
| + | |Remove | ||
| + | ^プロパティ^^ | ||
| + | |Count | ||
| + | |Item |O(1) | | ||
| + | |Keys |O(1) | | ||
| + | |Values | ||