This was a keynote presentation at the “2nd International Workshop on Performance Modeling: Methods and Applications” (PMMA16), June 23, 2016, Frankfurt, Germany (in conjunction with ISC16). The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and… read more
Performance
Timing Methodology for MPI Programs
While working on the implementation of the MPI version of the STREAM benchmark, I realized that there were some subtleties in timing that could easily lead to inaccurate and/or misleading results. This post is a transcription of my notes as I looked at the issues…. Primary requirement: I want a… read more
New Year’s Updates
As part of my attempt to become organized in 2019, I found several draft blog entries that had never been completed and made public. This week I updated three of those posts — two really old ones (primarily of interest to computer architecture historians), and one from 2018: July 2012:… read more