[Octave-bug-tracker] [bug #63646] Long creation times for sparseimages.m in manual due to -svgconvert option to print

[Arun Giridhar]

Follow-up Comment #13, bug #63646 (project octave):

When I tried with n = 333, the patched version still works as required. The
unpatched versions for both default and stable give an error "ICE default IO
error handler doing an exit(), pid = ....., errno = 32". The files blah.eps
and blah2.eps are written correctly though.

Not sure what the error means or where it comes from. A grep and a web search
didn't give anything useful. But the patched version doesn't seem to have it,
so maybe it's coming from Qt.


octave:1> clear all; close all; tic; n = 333; a = 10*speye(n) + sparse(1:n,
ceil([1:n]/2),1,n,n) + sparse(ceil([1:n]/2),1:n,1,n,n); r1 = chol(a);
spy(r1,'.',10); axis ij; toc, tic; print -nosvgconvert -depsc2 blah.eps; toc,
tic; print -svgconvert -depsc2 blah2.eps; toc
Elapsed time is 0.15465 seconds.
Elapsed time is 0.621703 seconds.
ICE default IO error handler doing an exit(), pid = 64828, errno = 32
Elapsed time is 170.381 seconds.
octave:2> exit


octave:1> clear all; close all; tic; n = 333; a = 10*speye(n) + sparse(1:n,
ceil([1:n]/2),1,n,n) + sparse(ceil([1:n]/2),1:n,1,n,n); r1 = chol(a);
spy(r1,'.',10); axis ij; toc, tic; print -nosvgconvert -depsc2 blah.eps; toc,
tic; print -svgconvert -depsc2 blah2.eps; toc
Elapsed time is 0.163769 seconds.
Elapsed time is 0.602484 seconds.
ICE default IO error handler doing an exit(), pid = 88991, errno = 32
Elapsed time is 167.311 seconds.
octave:2> exit




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