This directory contains specifications for the Blelloch prescan for different
numbers of elements, N = 4, 8, 16, ..., 1024.

Use the [genspec.py] script to generate specifications for larger prescans.
This script requires python 2.7 and the template engine Jinja2:

  http://jinja.pocoo.org/docs/intro/#installation

Running the generator like this:

  $ python genspec.py <N>

will produce <N>_spec.h
