[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Image scaling performance

From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: Image scaling performance
Date: Wed, 25 Feb 2015 21:48:27 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.4.0

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.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]