[OLPC-devel] just verified: 2306 + olpc + linux kernel works.

[Marcelo Tosatti]

On Fri, May 26, 2006 at 02:37:32AM +0200, Carl-Daniel Hailfinger wrote:
> Marcelo Tosatti wrote:
> > On Fri, May 26, 2006 at 01:03:57AM +0100, David Woodhouse wrote:
> >> On Thu, 2006-05-25 at 21:02 -0300, Marcelo Tosatti wrote:
> >>> Last time I tried lzma on vmlinux the advantage was _very_ significant
> >>> (> 20% increase in compression ratio over gzip). 
> >> What if you 'split -b 4096 vmlinux' and then compress each of the
> >> resulting files?
> > 
> > vmlinux (single piece)
> > 
> > uncompressed		gzip 			lzma
> > 1192316 		527722 (44%)		425172 (35%)
> > 
> > Now splitting with -b 4096 really kills lzma gains:
> > 
> > [root at dmt lzma]# du -csh .
> 
> Unfair. du is all about on-disk size, not file size.
> # for a in vmlinux*gz; do stat -c%s $a; done|xargs echo|sed "s/ /+/g" >gzsum; bc gzsum
> That will yield more realistic results.

Doh.

lzma: 552033
gzip: 589058