Re: Image scaling performance

[Michael Zimmermann]

the latest patch works just fine. even bi-linear scaling is fast :D

On Wed, Feb 25, 2015 at 9:48 PM, Vladimir 'φ-coder/phcoder' Serbinenko
<address@hidden> wrote:
> On 25.02.2015 19:46, Michael Zimmermann wrote:
>>
>> oh ok so linux's div/mod/... assembler is as slow/fast as grub's code?
>> Linux uses armv5>= ifdefs. Maybe we could optimized things a little :)
>
> maintaining optimised asm routines is a lot of burden. You'll get more bugs
> than speedup. It's possible to use sdiv/udiv after checking CPU model
> properly but it doesn't cover 64-bit division and usable only on few cpus
> anyway.
>
>
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