Slowness problem due to sjlj-exceptions for Octave
Wed Sep 5 08:44:00 GMT 2007
>Could you please expound (or point to a link) on what sjlj or sjlj-
>exceptions do? AFAIK, it's probably the first time the "octave sjlj
>exception issue" has appeared in this list. As far as I've seen, this is a
Disscussion seem to be started from the foloowing points
And also cygwin.com
In 2.1.xx series, I have built octave by myself using gcc-3.2 from
special web site. For octave 2.9.xx, the gcc-3.2 is no longer to be
used. So I have built gcc-3.4.4 --disable-sjlj-expceptions
Reading specs from /opt/octave-2.9.13/gcc-3.4.4d/lib/gcc/i686-pc-
Configured with: /home/gcc_s/gcc-3.4.4-3/gcc-3.4.4-3/configure --
Thread model: single
gcc version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
>The cygwin octave maintainer (if [s]he is still there) must know more about
>this. However, Cygwin's octave is 2.1.72 but mainline is 2.9.13.
James R. Phillips was the maintaner of the octave-2.1.73 on cygwin.
However there are noresponses for my binary upload to on my web.
Perhaps he is not working as a maintainer.
At that time, the Octave only be built using the cygwin on the windows.
So I suppose that he knows the problem but build it by the normally
>Would it be possible for you to send corresponding straces of the cases you
For Octave on mingw
ans = 1.5781
$ gcc -v
Reading specs from c:/Programs/MinGW/bin/../lib/gcc/mingw32/3.4.2/
Configured with: ../gcc/configure --with-gcc --with-gnu-ld --with-gnu-
as --host=mingw32 --target=mingw32 --prefix=/mingw --enable-threads --
disable-nls --enable-languages=c,c++,f77,ada,objc,java --disable-win32
-registry --disable-shared --enable-sjlj-exceptions --enable-libgcj --
disable-java-awt --without-x --enable-java-gc=boehm --disable-libgcj-
debug --enable-interpreter --enable-hash-synchronization --enable-
Thread model: win32
gcc version 3.4.2 (mingw-special)
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