PHPNews

Aria Presto: Making table scan more efficient

The Aria is a set of initiatives to dramatically increase PrestoDB efficiency. Our goal is to achieve a 2-3x decrease in CPU time for Hive queries against tables stored in ORC format . For Aria, We are pursuing improvements in three areas: table scan, repartitioning (exchange, shuffle), and hash join. Nearly 60 …

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Written by Facebook Code - - Aggregated on Monday June 10, 2019


Facebook joins new Urban Computing Foundation

By Michael Cheng As part of Facebook’s long-standing commitment to open standards and the open source community, we have shared data sets and models to help global organizations. We are using our expertise — including a predictive model for mapping electrical grids , disaster maps , and more accurate population …

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Written by Facebook Code - - Aggregated on Tuesday May 7, 2019


F8 2019 Day 2 keynote and session videos

At F8 2019 day 2, topics included a new method for computer vision, new techniques for self-supervised learning, and a new framework for inclusive AR/VR. Watch the video of the keynote address and summaries of several of the technical sessions. This post will update as session videos are available Keynote address …

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Written by Facebook Code - - Aggregated on Wednesday May 1, 2019


Open source at F8 2019

At F8, Facebook’s annual conference, we open-sourced tools and frameworks that simplify machine learning experimentation and optimization, speed up test execution times, and help solve memory-related performance issues. See the full list below, and click through to get started with our latest releases. Ax Ax is …

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Written by Facebook Code - - Aggregated on Wednesday May 1, 2019


F8 2019 Day 1 keynote and session videos

Today, we kicked off F8 2019. Thousands of attendees gathered in San Jose to learn about our latest plans, research, tools, and open source releases. Topics included ensuring Messenger and WhatsApp are the fast, secure, private centers of your social experience; making Communities as central as friends in Facebook; …

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Written by Facebook Code - - Aggregated on Wednesday May 1, 2019


F8 2019 speakers and sessions now available

The session list is now available for F8, Facebook’s annual conference, being held April 30 and May 1, 2019, in San Jose, California. This year, we’ll celebrate the developers, creators, entrepreneurs, and innovators building on our platform and showcase how social technologies can enable the best of what people can …

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Written by Facebook Code - - Aggregated on Wednesday April 24, 2019


A PHP Compiler, aka The FFI Rabbit Hole

It’s no secret that I’m into building toy compilers and programming languages. Today I’m introducing something that’s not a toy (I hope). Today, I’m introducing php-compiler (among many other projects). My hope is that these projects will grow from experimental status into fully production ready systems.

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Written by Ircmaxell - - Aggregated on Monday April 22, 2019


Facebook Engineering Fair, London recap

We recently hosted our first-ever London Facebook Engineering Fair. The invitation-only event gathered together software engineers, product managers, UX researchers, data scientists, academics, and others working in the technology industry. Several London-based teams gave attendees an exclusive behind-the-scenes look …

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Written by Facebook Code - - Aggregated on Friday April 5, 2019


Open-sourcing Habana back end for Glow

WHAT’S NEW: The first experimental back end for our Glow compiler and runtime project, designed to target Habana’s existing hardware accelerator. This back end is the first to customize for various vendors’ accelerators. Learn more about how hardware makers are working with our compiler and future plans for …

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Written by Facebook Code - - Aggregated on Thursday April 4, 2019