On Thu, Aug 16, 2012 at 08:27:15AM +0200, Markus F.X.J. Oberhumer wrote: > On 2012-08-15 16:45, Johannes Stezenbach wrote: > > > > I made the attached quick hack userspace code > > using ARM kernel headers and barebox unlzop code. > > (new == your new code, old == linux-3.5 git, test == new + your suggested > > change) > > (sorry I had no time to clean it up) > > My suggested COPY4 replacement probably has a lot of load stalls - maybe some > ARM expert could have a look and suggest a more efficient implementation. > > In any case, I still would like to see the new code in linux-next because > of the huge improvements on other modern CPUs.
Well, ~2x speedup on x86 is certainly a good achievement, but there are more ARM based devices than there are PCs, and I guess many embedded devices use lzo compressed kernels and file systems while I'm not convinced many PCs rely on lzo in the kernel. I know everyone's either busy or on vacation, but it would be so cool if someone could test on a more modern ARM core, with the userspace test code I posted it should be easy to do. Johannes -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/