64 lines
2.1 KiB
Plaintext
64 lines
2.1 KiB
Plaintext
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== Resources
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=== Documentation
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* https://learn.microsoft.com/en-us/dotnet/api/system.collections.generic.list-1.trueforall[List<T>.TrueForAll(Predicate<T>)]
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* https://learn.microsoft.com/en-us/dotnet/api/system.array.trueforall[Array.TrueForAll<T>(T[\], Predicate<T>)]
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* https://learn.microsoft.com/en-us/dotnet/api/system.collections.immutable.immutablelist-1.trueforall[ImmutableList<T>.TrueForAll(Predicate<T>)]
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* https://learn.microsoft.com/en-us/dotnet/api/system.collections.immutable.immutablelist-1.builder.trueforall[ImmutableList<T>.Builder.TrueForAll(Predicate<T>)]
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* https://learn.microsoft.com/en-us/dotnet/api/system.linq.enumerable.all[Enumerable.All<TSource>]
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=== Benchmarks
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[options="header"]
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|===
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| Method | Runtime | Mean | StdDev | Ratio | Allocated
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| TrueForAll | .NET 7.0 | 1.302 ms | 0.0027 ms | 0.21 | 1 B
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| All | .NET 7.0 | 6.279 ms | 0.0181 ms | 1.00 | 40004 B
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| TrueForAll | .NET Framework 4.6.2 | 1.105 ms | 0.0142 ms | 0.22 | -
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| All | .NET Framework 4.6.2 | 4.968 ms | 0.0143 ms | 1.00 | 40128 B
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|===
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The results were generated by running the following snippet with https://github.com/dotnet/BenchmarkDotNet[BenchmarkDotNet]:
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[source,csharp]
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----
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private List<int> data;
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[Params(10_000)]
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public int N { get; set; }
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[GlobalSetup]
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public void Setup() =>
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data = Enumerable.Range(0, N).Select(x => 42).ToList();
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[Benchmark]
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public void TrueForAll()
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{
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for (var i = 0; i < N; i++)
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{
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_ = data.TrueForAll(x => x == 42); // List<T>.TrueForAll
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}
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}
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[Benchmark(Baseline = true)]
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public void All()
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{
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for (var i = 0; i < N; i++)
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{
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_ = data.All(x => x == 42); // Enumerable.All<TSource>
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}
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}
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----
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Hardware configuration:
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[source]
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----
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BenchmarkDotNet=v0.13.5, OS=Windows 10 (10.0.19045.2846/22H2/2022Update)
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12th Gen Intel Core i7-12800H, 1 CPU, 20 logical and 14 physical cores
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.NET SDK=7.0.203
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[Host] : .NET 7.0.5 (7.0.523.17405), X64 RyuJIT AVX2
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.NET 7.0 : .NET 7.0.5 (7.0.523.17405), X64 RyuJIT AVX2
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.NET Framework 4.6.2 : .NET Framework 4.8 (4.8.4614.0), X64 RyuJIT VectorSize=256
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----
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