[O] Painfully Slow Export

[Ken Mankoff]

I'm trying to export a file to LaTeX. It takes about one minute. The
file is 12000 lines long and has 200 code blocks. I have set:

#+PROPERTY: header-args :eval never-export

which means, I think, no babel blocks should evaluate.

(setq org-export-use-babel t) seems to be the culprit. If I set it to nil then 
export is sub-second.

However, I would like some #+RESULTS: blocks to export (w/o eval). This 
requires o-e-o-b t.

Is there a way to speed up exporting?

Thanks,

  -k.