Supercomputing under a New Lens: A Sandia-Developed Benchmark Re-ranks Top Computers

A Sandia National Laboratories software program now installed as an additional test for the widely observed TOP500 supercomputer challenge has become increasingly prominent. The program’s full name — High Performance Conjugate Gradients, or HPCG — doesn’t come trippingly to the tongue, but word is...
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Usenet, Authentication, and Engineering (or: Early Design Decisions for Usenet)

A Twitter thread on trolls brought up mention of trolls on Usenet. The reason they were so hard to deal with, even then, has some lessons for today; besides, the history is interesting. (Aside: this is, I think, the first longish thing I've ever written about any of the early design decisions for...
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The RedMonk Programming Language Rankings: January 2018

Given that we’re into March, it seems like a reasonable time to publish our Q1 Programming Language Rankings. The data source used for these queries is the GitHub Archive. We query languages by pull request in a manner similar to the one GitHub used to assemble the 2016 State of the Octoverse. Our...
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Postage-Stamp Linux

We’ve come a long way from the early days of big iron, and few things demonstrate that better than Microchip’s new SAMA5D27. What’s a SAMA5D27, you ask? It’s a postage stamp that runs Linux. Well, not literally a postage stamp, but a fully realized microcontroller that measures about 1½ inches (...
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raising awareness
Successful women in technology raise more than capital. They raise awareness, they raise the bar, and they raise their voices.

Raising More than Capital: Successful Women in Technology

One of my employees chooses a word at the beginning of each year to guide her personal and professional development efforts. Last year the word she selected was “Rise.” She told me it inspired her to elevate not only her skills, but the quality of her relationships, her attitude toward life and her...
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Optimizing Data Queries for Time Series Applications

Now that we understand what time series data is and why we want to store it in a time series database, we’ve reached a new challenge. As with any application, we want to ensure our database queries are smart and performant, so let’s talk about how we can avoid some common pitfalls. Indexing...
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Infrastructure 2.0: Whatever We’re Calling it Now, It’s Here

The cloud has taught us about the economies of scale, and now containers are threatening to redefine it once again. It’s the collection of devices known as the network — or the data path — that support the scale of applications and services. In that data path lies a number of network and...
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Improving Teamwork by Engineering Trust

Even in highly mature open organizations, where we're doing our best to be collaborative, inclusive, and transparent, we can fail to reach alignment or common understanding. Disagreements and miscommunication between leaders and their teams, between members of the same team, between different teams...
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Windows for Linux Nerds

I am super excited about Windows Subsystem for Linux. It is one of the coolest pieces of tech I’ve seen since I started using Docker. First, a little background on how WSL works… You can learn a lot more about this from the Windows Subsystem for Linux Overview. I will go over some of the parts I...
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​Kubernetes Graduates to Full-Fledged, Open-Source Program

At the Open Source Leadership Summit (OSLS), the Cloud Native Computing Foundation (CNCF), which sustains and integrates open-source, cloud native technologies such as Prometheus and containerd, and Chen Goldberg, Google Cloud's director of engineering, announced that Kubernetes is the first...
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