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Huawei Contributes Some Glibc AArch64 Performance Optimizations

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Huawei Contributes Some Glibc AArch64 Performance Optimizations

#1

Post by geek-advised » Fri, Dec 20, 2019, 7:37 AM UTC

Huawei Contributes Some Glibc AArch64 Performance Optimizations
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Re: Huawei Contributes Some Glibc AArch64 Performance Optimizations

#2

Post by qtplatypus » Fri, Dec 20, 2019, 9:35 AM UTC

Does anyone know how the optimisations Work?

Re: Huawei Contributes Some Glibc AArch64 Performance Optimizations

#3

Post by Fronzie » Fri, Dec 20, 2019, 11:36 AM UTC

qtplatypus wrote: post #2

Does anyone know how the optimisations Work?

It seems they replaced the c code by optimized assembly, and improving the existing assembly that was there. I think loop-unrolling is one of the things they did, but am not sure:

https://sourceware.org/git/?p=glibc.git&a=search&h=HEAD&st=a...

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