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The Surprising Effectiveness of Non-Overlapping, Sensitivity-Based Performance Models

John McCalpin

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 ). Here I assumed a particular analytical function for the amount of memory traffic as a function of cache size to scale the bandwidth time.

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The Performance Inequality Gap, 2021

Alex Russell

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage.

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Fixing a slow site iteratively

CSS - Tricks

Google’s industry benchmarks from 2018 also provide a striking breakdown of how each second of loading affects bounce rates. The code for the site is available on GitHub for reference. Compressing, minifying and caching assets. KB for desktops and 902 KB for mobile devices from 2016 to 2021. Text-based assets.

Cache 92
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Progress Delayed Is Progress Denied

Alex Russell

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. Higher is better.

Media 145
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AMD EPYC Processors in Azure Virtual Machines

SQL Performance

These VMs are not available in all regions, so you will want to check the availability in the Azure region that you are interested in using. The L3 cache size is 64MB. As 128GB DDR4 DIMMs become more widely available that total capacity will double. Figure 1: CPU-Z Benchmark Results for LS16v2. Azure Lsv2 Details.

Azure 42
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Can You Afford It?: Real-world Web Performance Budgets

Alex Russell

Budgets are scaled to a benchmark network & device. If our example document wasn’t reliant on JavaScript to construct the <my-app> custom element, the contents of the document would likely be interactive as soon as enough CSS and content was available to render meaningfully. Global Ground-Truth.

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What Web Designers Can Do To Speed Up Mobile Websites

Smashing Magazine

Let the web developer handle all of the necessary speed optimizations like caching and file minification while you take on the following design tips and strategies: 1. You can see in his example that he suggests a number of optimizations, like limiting which styles and character sets are available for use on the website. Minification.

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