“Always Measure one Level Deeper” – Advice on Performance Measurements

Recently I stumbled on a nice piece called “Always Measure One Level Deeper” by John Ousterhout, from Communications of the ACM, July 2018. https://cacm.acm.org/magazines/2018/7/229031-always-measure-one-level-deeper/fulltext. The article is about performance analysis, and how important it is to not just look at the top-level numbers and easy-to-see aspects of a system, but to also go (at least) one level deeper to measure the components and subsystems that affect the overall system performance.

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Counting Powerpoint Files, Checking Attributes, etc., on Windows 10

I recently asked myself the question of just how many Powerpoint files I had on my work laptop and on my home machines.  It turns out that it was pretty easy to figure that out using Windows Powershell, with some commands I found on a random website.

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