optimize neon loadu_128/storeu_128 #384
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vld1q_u8 and vst1q_u8 has no alignment requirements. This improves performance on Oracle Cloud's VM.Standard.A1.Flex by 1.15% on a 16*1024 input, from 13920 nanoseconds down to 13800 nanoseconds (approx)
divinity76
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divinity76
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Feb 9, 2024
vld1q_u8 and vst1q_u8 has no alignment requirements. This improves performance on Oracle Cloud's VM.Standard.A1.Flex by 1.15% on a 16*1024 input, from 13920 nanoseconds down to 13800 nanoseconds (approx) ref BLAKE3-team/BLAKE3#384
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I see a ~1% improvement on the Graviton2 CPU on my AWS instance too. Thanks! |
oconnor663
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Changes since 1.5.0: - The Rust crate is now compatible with Miri. - ~1% performance improvement on Arm NEON contributed by @divinity76 (#384). - Various fixes and improvements in the CMake build.
oconnor663
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Changes since 1.5.0: - The Rust crate is now compatible with Miri. - ~1% performance improvement on Arm NEON contributed by @divinity76 (#384). - Various fixes and improvements in the CMake build. - The MSRV of b3sum is now 1.74.1. (The MSRV of the library crate is unchanged, 1.66.1.)
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Released as part of v1.5.1. |
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I wonder if this might have made big endian work too 🤔 (doesn't really matter, nothing runs big endian) |
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vld1q_u8 and vst1q_u8 has no alignment requirements.
This improves performance on Oracle Cloud's VM.Standard.A1.Flex by 1.15% on a 16*1024 input, from 13920 nanoseconds down to 13800 nanoseconds (approx)