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Google Is 2 Billion Lines of Code—And It’s All in One Place

Google Is 2 Billion Lines of Code—And It’s All in One Place | cross pond high tech | Scoop.it

.../...As Lambert point out, building and running such a system requires not only know-how but enormous amounts of computing power. Piper spans about 85 terabytes of data (aka 85,000 gigabytes), and Google’s 25,000 engineers make about 45,000 commits (changes) to the repository each day. That’s some serious activity. While the Linux open source operating spans 15 million lines of code across 40,000 software files, Google engineers modify 15 million lines of code across 250,000 files each week.

At the same time, Piper must work to remove much of the burden from human coders. It must ensure that humans can wrap their heads around all that code; that they don’t step on each other’s toes with code changes; that they can readily remove bugs and unused code from the repository. And because all of this is so difficult, it must actually take some of that work away from the humans. Now that Google has switched to Piper from its previous version control system—a tool called Perforce—automated ‘bots handle a majority of the commits.

This doesn’t mean ‘bots are writing code. But they are generating a lot of the data and configuration files needed to run the company’s software. “You need to make a concerted effort to maintain code health,” Potvin says. “And this is not just humans maintaining code health, but robots too.”

Philippe J DEWOST's insight:

2 Billion lines of code for 7.3 Billion humans. 45000 commits a day, handled by bots. When code health becomes as important (critical ?) than people's health. Very interesting "paper" anyway if you want to think "at scale".

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Software is Eating Hardware - Lessons for Building Magical Devices

Software is Eating Hardware - Lessons for Building Magical Devices | cross pond high tech | Scoop.it
“Software is eating hardware.”
That might sound counterintuitive given all the innovative hardware plays in the mix today — from Android Wear, SmartThings, Sproutling and Nest to the hotly anticipated iWatch. But Adam MacBeth, an advocate of the software-first approach, would argue that those products are only as compelling as the end-to-end experience that sets them alight.
“People think that they can build a game-changer with some really great industrial design and packaging, but that’s not the case anymore,” says MacBeth, whose work has helped shaped the iPod, Jawbone’s wristbands and FiftyThree’s Pencil. “Incredible industrial design is increasingly non-optional, what really matters is an equally beautiful software system that spans mobile, desktop, and more. It’s something that takes a lot of thought to get right.”
As technology accelerates, with companies like Dragon Innovation making manufacturing, supply chain and distribution cheaper and easier than ever before, tons of hardware startups are coming out of the woodwork. In this exclusive First Round Review interview, MacBeth offers tactics for how these companies can capture people’s imagination and create truly world-class products.

Via Yves Caseau
Philippe J DEWOST's insight:

Isn't everything "Software Defined" nowadays ?

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Yves Caseau's curator insight, June 1, 2014 12:34 AM

Great set of principles to add magical user experiences to our digital lives

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Présenter vos innovations hardware/software à Pékin au Forum Digital & Culture ? 30 places sont disponibles

Présenter vos innovations hardware/software à Pékin au Forum Digital & Culture ? 30 places sont disponibles | cross pond high tech | Scoop.it

La France et la Chine organisent à Pékin le Forum Digital et Culture, les 22 et 23 janvier 2015. Dans ce cadre, une trentaine d’entreprises françaises, petites ou pas, start-up y compris, seront invitées à présenter à Pékin leurs applications et innovations dans le hardware et le software à des entreprises et des investisseurs chinois.

Ce forum est conçu pour permettre aux entreprises françaises désireuses de s’implanter à l’international de tisser des liens durables avec les acteurs chinois ; non seulement pour prendre pied sur le marché chinois mais aussi pour s’appuyer sur un partenariat franco-chinois afin de percer sur le marché mondial.

Le Forum Digital et Culture de Pékin est labellisé par le Commissariat général pour la commémoration du cinquantenaire des relations diplomatiques entre la France et la Chine. Il s’agit ainsi d’une manifestation approuvée et suivie au plus haut niveau dans nos deux pays.

Le Forum Digital et Culture de Pékin sera constitué de 4 moments principaux :

La présentation des entreprises et l’exposition de leurs applications/innovations sur leurs stands. Des interprètes Français < > Chinois seront affectés à chaque entreprise exposant.Des table-rondes portant sur les nouvelles problématiques liées à la création de contenu pour plusieurs supports (mobiles, tablettes, ordinateur), il s’agira surtout de présenter un état de l’art et les perspectives des évolutions techniques.Une session « pitch investisseurs », pour les entreprises françaises exposant qui le souhaitent, devant des investisseurs chinois et français,Un hackathon, mené en parallèle avec le partenariat et sur le campus de Baidu.

Les entreprises françaises exposant au Forum de Pékin seront sélectionnées par un jury composé de personnalités qualifiées à l’issue du processus décrit ici.

Philippe J DEWOST's insight:

Avis à La French Tech : candidatez avant le 17 Novembre pour participer au Forum Digital et Culture à Pékin les 22 et 23 Janvier !

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Philippe J DEWOST's comment, October 24, 2014 6:30 AM
je ferai partie du Jury ...