[gtk-doc] mkhtml2: add some experiemnts on loading speed

[Stefan Sauer <stefkost src gnome org>]

commit 2a3238a3ab495ea5899fc696f96b76f480b87ac7
Author: Stefan Sauer <ensonic users sf net>
Date:   Fri Apr 27 09:01:51 2018 +0200

    mkhtml2: add some experiemnts on loading speed
    
    It turns out that just loading the xml doc is dominating, especially for
    larger docs.

 gtkdoc/mkhtml2.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtkdoc/mkhtml2.py b/gtkdoc/mkhtml2.py
index 802b3a5..5a49937 100644
--- a/gtkdoc/mkhtml2.py
+++ b/gtkdoc/mkhtml2.py
@@ -1566,6 +1566,9 @@ def main(module, index_file, out_dir, uninstalled):
 
     # 1) load the docuemnt
     _t = timer()
+    # does not seem to be faster
+    # parser = etree.XMLParser(collect_ids=False)
+    # tree = etree.parse(index_file, parser)
     tree = etree.parse(index_file)
     tree.xinclude()
     logging.warning("1: %7.3lf: load doc", timer() - _t)