Our paper, Making an Embedded DBMS JIT-friendly, contains performance benchmarks. We will make them available here. You can find the SQPyte source code and the SQPyte-PyPy binding on bitbucket.
The easiest way to see our experiments and demos in action is to download and run our VirtualBox VM image. Simply unzip the archive and read the enclosed README file.
The experiment repo is here. See the README there for instructions on how to use the experiment.