Re: [LinuxBIOS] Compressing the OLPC VSM?

[Carl-Daniel Hailfinger]

jardel wrote:
> Carl-Daniel Hailfinger wrote:
> > jardel wrote:
> > > JCalg compression library is possible too, isn't ? It's open source and
> > > the source is already assembly optimized. It was available
> > > www.collakesoftware.com.
> >
> > How small does JCalg compress the VSA module at the link below?
> >
> > http://laptop.org/pipermail/devel/attachments/20060521/e389e3ea/vsa_test.64k...
> > > > > 65536 vsa_test.64k-0001.bin
> > > > > 35587 vsa_test.64k-0001.bin.nrv2b
> > > > > 32143 vsa_test.64k-0001.bin.lzma
> >
> > If it is better than the lzma result, we may consider it.
> > But IIRC the JCalg author said that lzma should be better.
>
> This is the result for compressing the file vsa_test.64k-0001.bin in
> 1 to 9 level compressions of JCalg:
>
> 36382 vsa1.jc
> [...]
> 34970 vsa9.jc

OK, so it is worse than lzma. Thanks for checking that.

Regards,
Carl-Daniel