Statistical Process Control Techniques in Performance Monitoring and Alerting

Being focused on the upcoming release of Visual Studio 2010 for the past six months or so, I, unfortunately, have been neglecting to blog about it. Before I get back to the series of blog posts I started about writing in parallel programming, I thought I’d first answer the mail.   Concerning a recent presentation…

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PDC2008 preConference Workshop

Over the past several weeks, I have been working overtime developing a presentation on web application performance to be given at the upcoming Professional Developer’s Conference (PDC), which is next week in Los Angeles. This is partly why I have been remiss about blogging this month. At least, that is my excuse, and I am…

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Lessons from the test lab: investigating a pleasant surprise

This post describes our recent investigation into an interesting performance problem: benchmarks that we were surprised to find running significantly faster than we expected on new hardware. Along the way we discuss useful benchmarking tools, how to validate results, and why it pays to know exactly what hardware you’re running on. This all started in…


Visual Studio Performance Testing -- Noise is Enemy #1

Performance testing is essential to our quest to make Visual Studio provide a highly responsive user experience. We do performance testing early and often. Before a new feature is checked into the main branch, a test build is created, and 100 to 200 tests are run to assess performance. These tests include scenarios for start-up,…