At 05:23 PM 12/15/2004, you wrote: >My app runs about 6 times faster on linux than cygwin, >even though it spends the bulk of its time doing pure >computation in user-space: strace shows a minimum of >system calls being made. Profiling shows that the >culprit could be sjlj (set-jump/long-jump) EH. > >After googling around a bit, I found that other folks >seem to have had a similar experience... > >http://www.google.ca/search?q=sjlj+cygwin+octave&start=0&start=0&ie=utf-8&oe=utf-8&client=firefox&rls=org.mozilla:en-US:unofficial > >Does anyone know how to build a gcc/g++ that use >DWARF2 EH, instead of ... what we might call "abort()" >EH? I would very much like to try this out - to see >if it will bring performance of my app on cygwin out >of the toilet. > >Also - is it likely that cygwin will move away from >sjlj EH soon?
I'll let googling answer this question for you too. :-) <http://www.google.com/search?as_q=g%2B%2B+sjlj+eh&num=10&hl=en&btnG=Google+Search&as_epq=&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occt=any&as_dt=i&as_sitesearch=cygwin.com&safe=images> -- Larry Hall http://www.rfk.com RFK Partners, Inc. (508) 893-9779 - RFK Office 838 Washington Street (508) 893-9889 - FAX Holliston, MA 01746 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/