Diff between object graphs?

CFK cfkaran2 at gmail.com
Wed Apr 22 14:34:15 CEST 2015

On Wed, Apr 22, 2015 at 8:11 AM, Rustom Mody <rustompmody at gmail.com> wrote:

> On Wednesday, April 22, 2015 at 4:07:35 PM UTC+5:30, Cem Karan wrote:
> > Hi all, I need some help.  I'm working on a simple event-based simulator
> for my dissertation research. The simulator has state information that I
> want to analyze as a post-simulation step, so I currently save (pickle) the
> entire simulator every time an event occurs; this lets me analyze the
> simulation at any moment in time, and ask questions that I haven't thought
> of yet.  The problem is that pickling this amount of data is both
> time-consuming and a space hog.  This is true even when using bz2.open() to
> create a compressed file on the fly.
> No answer to your questions...
> But you do know that bzip is rather worse than gzip in time
> and not really so much better in space dont you??
> http://tukaani.org/lzma/benchmarks.html

I had no idea, I'll try my tests using gzip as well, just to see.

That said, I could still use the diff between object graphs; saving less
state is definitely going to be a speed/space improvement over saving

Cem Karan
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