tor callgrinds

Christopher Layne clayne at
Sun Feb 18 14:12:14 UTC 2007

On Sun, Feb 18, 2007 at 02:34:55AM -0800, Christopher Layne wrote:
> > A few questions.
> > 
> >     1. What version of Tor is this?  Performance data on
> >        or on svn trunk would help a lot more than data for 0.1.1.x,
> >        which I think this is. (I think this is the 0.1.1.x series
> >        because all the compression seems to be happening in
> >        tor_gzip_compress, whereas 0.1.2.x does compression
> >        incrementally in tor_zlib_process.)  There's already a lot of
> >        performance improvements (I think) in, but there
> >        might be possible regressions too, and I'd like to catch them
> >        before we release... whereas it is not likely that we'll do
> >        anything besides security and stability to 0.1.1.x, since it's
> >        supposed to be a stable series.
> It's The only internal change I've made to is it pushing up
> the clock jump limit to 1000 seconds vs 100, as callgrind simulation
> runs much slower and it was causing issues with tor assuming the clock
> has jumped.

BTW: Running SVN version now.
cflags: -O3 -fomit-frame-pointer -mmmx -msse -msse2 -msse3 -march=pentium4 -mtune=pentium4 -g


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