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...ut calculating a running 5-day median on a large matrix. Thanks to Martin Maechler <maechler@stat.math.ethz.ch> and Ray Brownrigg <Ray.Brownrigg@mcs.vuw.ac.nz> for responding. I ended up writing C code (and an R interface) to do it, which is about 1000x faster than the naive method! (72s became .09s on a 223 x 520 matrix). I added a running mean function too, which is very simple and is about 15x faster than apply(..., filter, ...). I've packaged the code as <http://cran.r-project.org/src/contrib/Devel/runStat_1.1.tar.gz> The key insight was that it *is* in fact a go...

Hi, i have big trouble with a Debian Lenny dom0 and latest kernel 2.6.32.19 with xen-4.0.1rc5. Due some reason the system freezes from time to time. I used kernel 2.6.31.9 with xen-3.4.2 before. The machine doesn''t write anything to serial console so there are no errors or something like that. Perhaps there is something to see from the logs ... Hardware Board: Intel DQ45CB CPU: