>> >>Hmm. LZO is the best compression algorithm for the task as measured by
>> >>the objectives of good compression effectiveness while still having very
>> >>low CPU usage (the best of those written and GPL'd, there is a slightly
>> >>better one which is proprietary and uses more CPU, LZRW if I remember
>> >>right. The gzip code base uses too much CPU, though I think Edward made
>> >
>> > I don't think that LZO beats LZF in both speed and compression ratio.
>> >
>> > LZF is also available under GPL (dual-licensed BSD) and was choosen in favor
>> > of LZO for the next generation suspend-to-disk code of the Linux kernel.
>> >
>> > see: http://www.goof.com/pcg/marc/liblzf.html
>>
>> thanks for the info, we will compare them
>
>For Suspend2, we ended up converting the LZF support to a cryptoapi
>plugin. Is there any chance that you could use cryptoapi modules? We
>could then have a hope of sharing the support.
I am throwing in gzip: would it be meaningful to use that instead? The
decoder (inflate.c) is already there.
06:04 shanghai:~/liblzf-1.6 > l configure*
-rwxr-xr-x 1 jengelh users 154894 Mar 3 2005 configure
-rwxr-xr-x 1 jengelh users 26810 Mar 3 2005 configure.bz2
-rw-r--r-- 1 jengelh users 30611 Aug 28 20:32 configure.gz-z9
-rw-r--r-- 1 jengelh users 30693 Aug 28 20:32 configure.gz-z6
-rw-r--r-- 1 jengelh users 53077 Aug 28 20:32 configure.lzf
Jan Engelhardt
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