Re: [PATCH] kconfig: update compression algorithm info

From: H. Peter Anvin
Date: Wed Apr 18 2012 - 13:29:24 EST


On 04/18/2012 10:23 AM, Markus Trippelsdorf wrote:
>
> When btrfs will finally implement LZ4 compression this would be the obvious
> candidate for the fastest boot algo, because its decompression speed is
> amazing.
>

Uh, no (and what does btrfs have to do with anything here?)

The issue is that the ratio of I/O speed to CPU can mean that a slower
decompression algorithm with better compression can still win,
time-wise, if your media is slow and your CPU is fast.

-hpa

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