Re: Configuration Management for Ada on Unix

[stt@henning.camb.inmet.com (Tucker Taft)]

Laurent Pautet (pautet@email.enst.fr) wrote:

: ... What I mean is to get the last version of a file, SCCS gets
: the first version and applies all the patches to get the last
: version. 

This makes it sound worse than it is.  SCCS performs a single pass over
the archive, including only those lines that are in the desired version.
This makes it essentially constant time independent of which version
is desired.  RCS keeps the last version in a "pristine" form, so
it is probably quicker for retrieving the last version.  However, the
SCCS approach is probably faster if you want a "random" version (which
of course, you only rarely do).

: ... So, RCS is more time efficient than SCCS. 

Certainly for retrieving the last version, but probably not
for retrieving a random version.

: -- Laurent

-Tucker Taft   stt@inmet.com   http://www.inmet.com/~stt/
Intermetrics, Inc.  Cambridge, MA  USA