On 12/31/15, 2:15 AM, "Allan Jude" <allanj...@freebsd.org> wrote:
>It seems these problems also slow things down, a lot: > ># time md5 /media/md5test/bigdata >MD5 (/media/md5test/bigdata) = 6afad0bf5d8318093e943229be05be67 >4.310u 3.476s 0:07.79 99.8% 20+167k 0+0io 0pf+0w ># time env LD_PRELOAD=/usr/obj/media/svn/md5/head/tmp/lib/libmd.so >/usr/obj/media/svn/md5/head/sbin/md5/md5 /media/md5test/bigdata >MD5 (/media/md5test/bigdata) = 6afad0bf5d8318093e943229be05be67 >4.133u 0.354s 0:04.49 99.7% 20+167k 1+0io 0pf+0w > >(file is fully cached in ZFS ARC, dd reads it at 11GB/s) > >Will investigate more tomorrow. md5 will be slower than dd due to the extra processing it needs to do to generate the hash. I suspect that explains the difference you're seeing between those utilities. Jonathan _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
