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Engineering News

Engineering More Reliable Transportation with ML and AI at Uber

In recent months, Uber Engineering has shared how we use machine learning (ML), artificial intelligence (AI), and advanced technologies to create more seamless and reliable experiences for our users. From introducing a Bayesian neural network architecture that more accurately estimates trip growth, to our real-time features prediction system, and even our own internal ML-as-a-service platform, Michelangelo, these two fields are critical to supporting Uber’s mission of developing reliable transportation solutions for everyone, everywhere. Among other areas, we use ML to…

Cloudflare Wants to Buy Your Meetup Group Pizza

If you’re a web dev / devops / etc. meetup group that also works toward building a faster, safer Internet, I want to support your awesome group by buying you pizza. If your group’s focus falls within one of the subject categories below and you’re willing to give us a 30 second shout out and tweet a photo of your group and @Cloudflare, your meetup’s pizza expense will be reimbursed. Get Your Pizza $ Reimbursed » Developer Relations at Cloudflare…

Boys could benefit from greater numbers of girls in schools — ScienceDaily

Boys are more likely to perform well in schools with a higher proportion of girls, shedding new light on why girls continue to outperform boys in many educational subjects. A new study published today in School Effectiveness and School Improvement investigated how the school environment influenced boys’ and girls’ educational performance in secondary schools. Studying the reading test scores of more than 200,000 15-year-olds from over 8,000 mixed-sex schools around the world, researchers discovered that boys’ performance was significantly better…

Digital 3-D-fabrication technology for nursing and healthcare

A 3D printer used by Keio researchers to digitally fabricate objects such as a pen holder and cranial model for nursing and healthcare. Credit: Keio University Social Fabrication Lab 3-D printing technology has important medical applications, such as manufacturing prosthetic parts, implants, and models of human organs. Here, researchers at Keio University in Tokyo, describe the potentially important role of 3-D printing in nursing and long-term care for the elderly. Given Japan’s rapidly ageing society, demand for terminal care in…

On the dangers of Intel’s frequency scaling

While I was writing the post comparing the new Qualcomm server chip, Centriq, to our current stock of Intel Skylake-based Xeons, I noticed a disturbing phenomena. When benchmarking OpenSSL 1.1.1dev, I discovered that the performance of the cipher ChaCha20-Poly1305 does not scale very well. On a single thread, it performed at the speed of approximately 2.89GB/s, whereas on 24 cores, and 48 threads it performed at just over 35 GB/s. CC BY-SA 2.0 image by blumblaum Now this is a…

Content Curation Made Easy with Joomla – Here’s How It Works!

If you have the target of expanding your library of tools for content curation, Joomla is a practical option that you might choose to explore. Joomla is an excellent content management system, and it has received some awards. With the aid of Joomla, you efficiently can create robust websites and other applications on the Internet. Esteemed organizations like Harvard and IHOP use Joomla for their sites. It is free, and with it, you can build websites that are functional and…

Dali Views: Functions as a Service for Big Data

Co-authors: Carl Steinbach and Vasanth Rajamani Big challenges in the big data ecosystem At LinkedIn, we have a number of challenges managing data in our complex data ecosystem. Changes to our infrastructure are often necessary to make progress, but they are difficult to accomplish without an expensive, large-scale, coordinated effort. Analytics processing systems are constantly improved to work more efficiently with different storage formats. Presto, for example, is typically a lot more efficient when running on columnar storage formats, as…

Engineering in a World of Wizards and Prophets

From the new book by Charles Mann – The Wizard and the Prophet: “A thick book featuring two scientists unknown to most readers is a tough sell, but bestselling journalist and historian Mann (1493: Uncovering the New World Columbus Created, 2011, etc.), a correspondent for the Atlantic, Science, and Wired, turns in his usual masterful performance. Nobel Prize–winning agronomist Norman Borlaug (1914-2009) developed high-yield wheat varieties and championed agricultural techniques that led to the “Green Revolution,” vastly increasing world food…

Rethinking Android app compilation with Buck | Engineering Blog | Facebook Code

Every day Facebook engineers make thousands of code changes and iterate frequently through the edit-compile-run development cycle. Several years ago we built and open-sourced Buck, a build tool designed from the ground up for fast iteration, allowing engineers to compile and run changes quickly. We’ve continued to steadily improve Buck’s performance, together with a growing community of other organizations that have adopted Buck and contributed back. But these improvements have largely been incremental in nature and based on long-standing assumptions…

Deploying IPv6 in Dropbox Edge Network

IPv6 request percentage across all Dropbox services In the past few months, we have gradually enabled IPv6 for all user-facing services in Dropbox edge network. We are serving about 15% of daily user requests in IPv6 globally. In this article, we share our experiences and lessons from enabling IPv6 in the edge network. We will cover the IPv6 design in the edge, the changes we made to support IPv6, how IPv6 was tested and rolled out to users, and issues…