Hi,
On 30/10/2012, at 10:12 PM, Karl Pielorz <kpielorz_...@tdx.co.uk> wrote: > > Hi All, > > Can anyone think of any quick pointers as to why some code originally written > under 6.4 amd64 - when re-compiled under 9.0-stable amd64 takes up a *lot* > more memory when running? > > The code involved is a sendmail Milter, and a TCP server type program (that > runs up a large number of threads [~700] at startup). > > Both were previously compiled with: > > -O2 -pthread -lc_r > > They're now compiled under 9.0-S with just: > > -O2 -pthread libc_r is a user mode implementation of pthreads, so there is one actual kernel thread with a stack. You now have ~700 kernel threads on startup. Per-thread stack allocation will be different, and you could quite easily explain differences that way. Regards, Jan. _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
