For those who wish more background written at a more general level on GPU and other HPC computing, please see the following links to my Scientific Computing articles:

 Redefining what is possible

A perfect storm of opportunities defines what is possible using GPU computing

• Competing with C++ and Java

Everyone’s a winner in the race for a common application language that can support x86 and massively parallel hardware

• Racing to Perform World Class Research

A perfect storm of opportunities defines what is possible using GPU computing

• HPC Balance and Common Sense
  Maintain ratios that work and improve on those that don’t
• The HPC Brick Wall

Power and cooling in a Moore's Law world

• It’s Not Easy Being Green
  Conventional programming models must adapt to meet the needs of both low-power and highly-scalable hardware
• Numerical Precision: How Much is Enough?
  As we approach ever-larger and more complex problems, scientists will need to consider this question
• Storage in Transition
  The one-two technology punch of solid-state memory and RAM can greatly increase usability
• Validation: Assessing the Legitimacy of Computational Results
  Evaluating the truth and justification of scientific beliefs is an essential part of computation-based science
• People Make Petaflop Computing Possible
  The heart of high performance computing technology still resides in the human component
• Back to the Future
  The return of massively parallel systems
• HPC – What’s in a Name?
  Making the right Supercomputing Investment
• Avoid that Bus!
  Multi-core processors drive adoption of new processor interconnect standards
• Will Your Next Supercomputer Come from Costco?
  A leading-edge architecture for just $600
• HPC's Future
  What will things be like in 20 years?
• The Victorian-era Child of the 21st Century
  As data management challenges continue to grow, organizations are working to develop new solutions
• Probing OER’s Huge Potential
  The world needs good teachers — maybe you can help 
• The Cure for HPC Neurosis: Multiple, Virtual Personalities!
  Virtualization will almost certainly play an important role as we scale out to ever larger clusters
• Keeping “Performance” in HPC
  A look at the impact of virtualization and many-core processors
• Cloud Computing: Pie in the sky?
  Infrastructure offers potentially big changes
• The Future Looks Bright for Teraflop Computing
  Amazing power in the lab is feasible right now — and for a bargain price — but programming is required
• Opening Minds: The Greatest Architectural Challenge
  Several computer architectural trends provide significant performance benefits
• GPGPUs: Neat Idea or Disruptive Technology?
  General purpose graphics processing units can perform amazingly well when used effectively