Add support for Vector<T>.Indices and Vector.CreateSequence #97880
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ghost
assigned 
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Note regarding the This serves as a reminder for when your PR is modifying a ref *.cs file and adding/modifying public APIs, please make sure the API implementation in the src *.cs file is documented with triple slash comments, so the PR reviewers can sign off that change. |
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Tagging subscribers to this area: @dotnet/area-system-runtime-intrinsics Issue DetailsThis covers the xplat APIs approved in #94008
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stephentoub
reviewed
Feb 2, 2024
| @@ -596,6 +597,7 @@ public partial struct Vector4 : System.IEquatable<System.Numerics.Vector4>, Syst | |||
| public Vector(T[] values, int index) { throw null; } | |||
| public static System.Numerics.Vector<T> AllBitsSet { get { throw null; } } | |||
| public static int Count { get { throw null; } } | |||
| public static System.Numerics.Vector<T> Indices { get { throw null; } } | |||
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Can we use this here?
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There are several places that this should be usable including in LINQ and in Tensors
However, I was going to put up an issue and cover them in a follow up PR since source.dot.net wasn't bringing them up at the moment (making finding all the places rather difficult): https://source.dot.net/#System.Private.CoreLib/src/libraries/System.Private.CoreLib/src/System/Numerics/Vector_1.cs,2157880a86aea82e,references
Diff results for #97880Throughput diffsThroughput diffs for linux/arm64 ran on windows/x64MinOpts (-0.00% to +0.01%)
Throughput diffs for windows/x64 ran on windows/x64Overall (+0.00% to +0.01%)
FullOpts (-0.00% to +0.01%)
Details here |
Diff results for #97880Throughput diffsThroughput diffs for windows/arm64 ran on windows/x64MinOpts (-0.01% to +0.00%)
Throughput diffs for windows/x64 ran on windows/x64Overall (+0.00% to +0.01%)
FullOpts (+0.00% to +0.01%)
Details here Throughput diffs for windows/x86 ran on windows/x86FullOpts (+0.00% to +0.01%)
Details here |
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Diff results for #97880Throughput diffsThroughput diffs for linux/arm64 ran on linux/x64MinOpts (-0.00% to +0.01%)
Throughput diffs for windows/arm64 ran on linux/x64MinOpts (0.00% to +0.01%)
Throughput diffs for windows/x64 ran on linux/x64Overall (+0.00% to +0.01%)
FullOpts (+0.00% to +0.01%)
Details here |
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Diff results for #97880Throughput diffsThroughput diffs for linux/arm64 ran on windows/x64MinOpts (-0.00% to +0.01%)
Throughput diffs for windows/arm64 ran on windows/x64MinOpts (0.00% to +0.01%)
Throughput diffs for windows/x64 ran on windows/x64Overall (+0.00% to +0.01%)
FullOpts (+0.00% to +0.01%)
Details here |
This was referenced Feb 3, 2024
Diff results for #97880Throughput diffsThroughput diffs for windows/arm64 ran on linux/x64MinOpts (-0.01% to +0.00%)
Throughput diffs for windows/x64 ran on linux/x64Overall (+0.00% to +0.01%)
FullOpts (+0.00% to +0.01%)
Details here |
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Diff results for #97880Throughput diffsThroughput diffs for linux/arm64 ran on windows/x64MinOpts (-0.01% to +0.00%)
Throughput diffs for windows/arm64 ran on windows/x64MinOpts (-0.01% to +0.00%)
Throughput diffs for windows/x64 ran on windows/x64Overall (+0.00% to +0.01%)
FullOpts (+0.00% to +0.01%)
Details here |
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This was referenced Feb 3, 2024
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ping @dotnet/jit-contrib, this is ready for review and is a simple change |
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This covers the xplat APIs approved in #94008