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Add optimization for vector conversion of uint/ulong to float/double. #89277

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anthonycanino opened this issue Jul 20, 2023 · 2 comments
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Add optimization for vector conversion of uint/ulong to float/double. #89277

anthonycanino opened this issue Jul 20, 2023 · 2 comments
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area-System.Numerics avx512 Related to the AVX-512 architecture
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8.0.0

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@anthonycanino
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AVX512VL adds a number of new packed conversion for unsigned 32-bit/64-bit integer types to float/double. These allow to replace less efficient conversions on xarch --- either multiple instructions or dedicated helper methods --- with single accelerated instructions.
@ghost ghost added the untriaged New issue has not been triaged by the area owner label Jul 20, 2023
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ghost commented Jul 20, 2023

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Issue Details

AVX512VL adds a number of new packed conversion for unsigned 32-bit/64-bit integer types to float/double. These allow to replace less efficient conversions on xarch --- either multiple instructions or dedicated helper methods --- with single accelerated instructions.

Author: anthonycanino
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area-System.Numerics
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@anthonycanino anthonycanino changed the title Add optimization for vector conversion of uint32/uint64 to/from packed float/double Add optimization for vector conversion of ulong to float/double`. Jul 20, 2023
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anthonycanino commented Jul 20, 2023 •
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Fixed with #84384. Will follow up with an additional PR for some of the remaining cases ,tracked at #80829 and #89279.

@anthonycanino anthonycanino changed the title Add optimization for vector conversion of ulong to float/double`. Add optimization for vector conversion of ulong to float/double. Jul 20, 2023
@ghost ghost removed the untriaged New issue has not been triaged by the area owner label Jul 20, 2023
@anthonycanino anthonycanino changed the title Add optimization for vector conversion of ulong to float/double. Add optimization for vector conversion of uint/ulong to float/double. Jul 20, 2023
@BruceForstall BruceForstall added the avx512 Related to the AVX-512 architecture label Jul 21, 2023
@BruceForstall BruceForstall mentioned this issue Jul 21, 2023
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@BruceForstall BruceForstall added this to the 8.0.0 milestone Jul 28, 2023
@ghost ghost locked as resolved and limited conversation to collaborators Aug 27, 2023
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