Introduction

• Attila Krasznahorkay (CERN)
• Kyle Knoepfel (Fermi National Accelerator Laboratory)
• Christopher Jones (Fermi National Accelerator Lab. (US))

Short introduction to the meeting, overview of things past, present and future.

Multi-Threaded Callbacks in CMSSW

• Christopher Jones (Fermi National Accelerator Lab. (US))

CMS's threading model is all about using callbacks, with the recently introduced syntax making it easier to write and read.