-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Andi Kleen wrote: >>How about a shell sort? if the data is mostly sorted shell sort beats >>qsort lots of times, and since the data sets are often small in-kernel, >>shell sorts O(n^2) behaviour won't harm it too much, shell sort is also >>faster if the data is already completely sorted. Shell sort is certainly >>not the simplest algorithm around, but I think (without having done any >>tests) that it would probably do pretty well for in-kernel use... Then >>again, I've known to be wrong :) > > > I like shell sort for small data sets too. And I agree it would be > appropiate for the kernel. >
FWIW, we already have a Shell sort for the ngroups stuff in kernel/sys.c:groups_sort() that could be made generic. - -- Mike Waychison Sun Microsystems, Inc. 1 (650) 352-5299 voice 1 (416) 202-8336 voice ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ NOTICE: The opinions expressed in this email are held by me, and may not represent the views of Sun Microsystems, Inc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFB9XDzdQs4kOxk3/MRAs2ZAJ4if1XRFAiWsgb1wvTInFLUVGHesgCfWxCJ Efyrr4PkG/KrqefAVAQjt+c= =/OPh -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/