On 15 August 2013 22:19, Colin Percival <cperc...@freebsd.org> wrote:
> For workloads with R parallel reads and W parallel writes, this improves > the time spent from O((R+W)^2) to O(W*(R+W)); i.e., heavy parallel-read > workloads become significantly more scalable. > > No statistically significant change in buildworld time has been measured, > but synthetic tests of parallel 'dd > /dev/null' and 'openssl enc > >/dev/null' > with the input file cached yield dramatic (up to 10x) improvement with high > (up to 128 processes) levels of parallelism. That's interesting. Have you tried running the "blogbench" benchmark before & after? _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"