From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ken Mankoff <mankoff@gmail.com>
Subject: Re: Painfully Slow Export
Date: Wed, 13 Jun 2018 20:32:20 +0200
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To: "Berry, Charles" <ccberry@ucsd.edu>
Cc: Org-mode <emacs-orgmode@gnu.org>

Hi Chuck,

Thanks for your continued help and interest in this issue.

Here are the results from the timing test using your code:

| # Blocks | w/o noweb | noweb | NESTED  noweb |
|----------+-----------+-------+---------------|
|        3 |      0.05 |       |          0.33 |
|       13 |     0.155 |   1.9 |          3.76 |
|       23 |      0.27 |   6.8 |         16.95 |
|       33 |      0.40 |  16.8 |         37.96 |
|       43 |      0.62 |       |         81.92 |
|      143 |      4.06 |       |               |


On 2018-06-13 at 19:55 +02, Berry, Charles <ccberry@ucsd.edu> wrote:
> This is on my late-2012 MacBook Pro. MacOS 10.13.5, Emacs 25.3.1, org
> 9.1.13. So this sounds almost exactly like your setup.

I'm on a 2014 MBP, 10.12.6, same Emacs and Org, and 16 GB RAM.

> Maybe time to try a minimal init file to see if something you have
> customized is bogging things down.

I've been doing this in "Emacs -Q" the whole time.

I'm not sure why this works on your system and not mine, but this is my first foray into noweb. I'll return to my old methods for now, or at least separate the code and text I'm about to begin writing into separate Org docs so that the text export is not impacted by this issue.

  -k.