I have multi-CPU linux server, so I wonder what is the fastest version of gdal2tiles.py ?

My Ubuntu version:

lsb_release -a
Description:    Ubuntu 12.04.5 LTS

How I install the package:

sudo apt-get install python-gdal

Package version:

apt-show-versions python-gdal
python-gdal/precise uptodate 1.10.0-1~precise2

And under /usr/bin/ I have gdal2tiles.py, gdal2tiles.py.orig, gdal2tiles.py.rej, so as I understand gdal2tiles.py is patched?

Does it make sense is to update python-gdal package > 1.10.0(maybe build newer version from source), where I can see changelog about gdal2tiles.py?

After some googling I found that there are some patched versions of original gdal2tiles.py and some parallel versions of gdal2tiles.py. So I wonder why this functionality is not included in official package?

If anyone point to stable and fast version of gdal2tiles.py I can run some benchmarks for community.

Here is my benchmark for some dataset using original single threaded gdal2tiles.py.

set -x # Dump each line of this script
set -e # Stop on first error

DATASET="my_dataset"
LEVELS_OF_DETAIL=19

time gdalbuildvrt -srcnodata "0,0,0" orthomaps/$DATASET/global.vrt orthomaps/$DATASET/orthophoto_*.tif

#Default gdal2tiles.py
GDAL_TO_TILES="/usr/bin/python /usr/bin/gdal2tiles.py"
time $GDAL_TO_TILES -z 0-$LEVELS_OF_DETAIL orthomaps/$DATASET/global.vrt default_gdal2tiles_$DATASET