Jim Dee

Jim Dee

Jim Dee is a Corporate Architect in the Data Management organization in R&D at BMC Software. He is responsible for the technical content and integration of the DB2 for z/OS product lines. He has worked at BMC since 1990, mostly in DB2 Backup and Recovery, as a developer, product author, and architect, and has held his current position as Chief Architect since 2007. Prior to joining BMC Software, Jim worked at various employers in the IT industry for 16 years. He worked as an application developer, systems programmer, DBA, and vendor developer. Jim has a B.A in Mathematics with a minor in Computer Science from Queen’s University in Kingston, Ontario.

IBM’s zIIP for Mainframe Explained

BY

  As a follow-up to Phil Grainger’s post about zIIP offload, I thought it was worth spending a few moments to focus on the characteristics of code that can run on a zIIP as well as code that could suffer minimum performance loss if it was rewritten to run on a zIIP rather than a general purpose processor (GP). IBM introduced the zIIP … [Read more...]