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    About the Blogs Blogroll Blogs Archive
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    Archives

    The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

    February 2018


    From Schneier on Security

    New Spectre/Meltdown Variants

    New Spectre/Meltdown Variants

    Researchers have discovered new variants of Spectre and Meltdown. The software mitigations for Spectre and Meltdown seem to block these variants, although the eventual CPU fixes will have to be expanded to account for these new…

    Bruce Schneier | February 21, 2018 at 07:13 AM

    From The Noisy Channel

    Search Results Presentation

    Search Results Presentation

    Until now, we’ve mostly focused on query processing — which is to be expected, given that this series is about query understanding. But given that searchers are ultimately interested in the results, it’s also important to consider…

    Daniel Tunkelang | February 20, 2018 at 11:57 PM

    From Daniel Lemire's Blog

    Iterating over set bits quickly

    Iterating over set bits quickly

    A common problem in my line of work is to iterate over the set bits (bits having value 1) in a large array. My standard approach involves a “counting trailing zeroes” function. Given an integer, this function counts how manyContinue…

    Daniel Lemire | February 20, 2018 at 10:58 PM

    From insideHPC

    HPE wins supercomputer contract for DoD Modernization Program

    HPE wins supercomputer contract for DoD Modernization Program

    Today HPE announced it has been selected to provide new supercomputers for the DoD High Performance Computing Modernization Program (HPCMP) to accelerate the development and acquisition of advanced national security capabilities…

    staff | February 20, 2018 at 04:48 PM

    From BLOG@CACM

    Deciding When the Design is Wrong in Programming Languages and Education

    Deciding When the Design is Wrong in Programming Languages and Education

    When do we decide that errors are due to bad design in programming languges and education?

    Mark Guzdial | February 20, 2018 at 03:32 PM

    From The Eponymous Pickle

    Spotify to Build Own Speakers?

    Spotify to Build Own Speakers?

    In CIO: Another competitor in the ranks.  Now from a Music aggregator.  What kind of  other Assistant aspects will it include?  Recall how Spotify was designing music based specifically on consumer demand.

    Spotify is working on…

    Franz Dill | February 20, 2018 at 03:24 PM

    From insideHPC

    Video: The Sierra Supercomputer – Science and Technology on a Mission

    Video: The Sierra Supercomputer – Science and Technology on a Mission

    Adam Bertsch from LLNL gave this talk at the Stanford HPC Conference. "Our next flagship HPC system at LLNL will be called Sierra. A collaboration between multiple government and industry partners, Sierra and its sister system…

    Rich Brueckner | February 20, 2018 at 03:19 PM

    From The Computing Community Consortium Blog

    Blue Sky Ideas Conference Track at AAAI-18

    Blue Sky Ideas Conference Track at AAAI-18

    Helen Wright | February 20, 2018 at 01:06 PM

    From The Eponymous Pickle

    Talk on AI and Blockchain this Thursday

    Talk on AI and Blockchain this Thursday

    In our CSIG group.  Join us.  Relates to our work underway regarding Smart Contracts ...

    Date and Time :  Feb 22, 2018 - 10:30am to 11:00am US Eastern
    Zoom meeting Link: https://zoom.us/j/7371462221
    Zoom Callin: (415) 762-9988 or…

    Franz Dill | February 20, 2018 at 12:26 PM

    From The Eponymous Pickle

    Work on 1000 Year Clock Begins

    Work on 1000 Year Clock Begins

    Also known as the most famous part of the Long Now Project.  About long term thinking.  Followed it closely in its early days via our work with the Institute for the Future.

    Jeff Bezos writes:

    @JeffBezos
    Installation has begun—500…

    Franz Dill | February 20, 2018 at 12:03 PM

    From The Eponymous Pickle

    Immersive Terf

    Immersive Terf

    Immersive Terf.  Was reminded of Qwaq, which we examined for 3D Immersive collaboration.   To provide a virtual-world style collaboration.   Is it useful to have cartoon-like figures representing you and your collaborating colleagues…

    Franz Dill | February 20, 2018 at 11:24 AM

    From The Eponymous Pickle

    AI Platforms Extracting Corporate Knowledge

    AI Platforms Extracting Corporate Knowledge

    Quite a considerable claim.   Can we extract all the knowledge of a company for easy use? We developed and tried systems with similar goals.  Looking further.

    Can This AI Platform Make You A Better Leader?
    Half of executives fail…

    Franz Dill | February 20, 2018 at 11:21 AM

    From insideHPC

    Call for Participation: MSST Mass Storage Conference 2018

    Call for Participation: MSST Mass Storage Conference 2018

    The 34th International Conference on Massive Storage Systems and Technologies (MSST 2018) has issued its Call for Participation. The event takes place May 14-16 in Santa Clara, California. "The conference invites you to share…

    Rich Brueckner | February 20, 2018 at 10:15 AM

    From insideHPC

    Resource Management Across the Private/Public Cloud Divide

    Resource Management Across the Private/Public Cloud Divide

    clustersThis is the final entry in a insideHPC series of features that explores new resource management solutions for workload convergence, such as Bright Cluster Manager by Bright Computing. This article highlights how resource management…

    staff | February 20, 2018 at 09:30 AM

    From insideHPC

    Take the Exascale Resilience Survey from AllScale Europe

    Take the Exascale Resilience Survey from AllScale Europe

    The European Horizon 2020 AllScale project has launched a survey on exascale resilience. "As we approach ExaScale, compute node failure will become commonplace. @AllScaleEurope wants to know how #HPC software developers view …

    Rich Brueckner | February 20, 2018 at 08:00 AM

    From Schneier on Security

    Facebook Will Verify the Physical Location of Ad Buyers with Paper Postcards

    Facebook Will Verify the Physical Location of Ad Buyers with Paper Postcards

    It's not a great solution, but it's something: The process of using postcards containing a specific code will be required for advertising that mentions a specific candidate running for a federal office, Katie Harbath, Facebook's…

    Bruce Schneier | February 20, 2018 at 07:34 AM

    From The Eponymous Pickle

    Keep Your Customers Coming Back

    Keep Your Customers Coming Back

    Good piece.  Not at all technical, but worth repeating what you need to get done.  The tech people I talk to don't seem to know these obvious things, and are always looking for some other tech magic.  But if they don't get these…

    Franz Dill | February 20, 2018 at 12:00 AM

    From The Eponymous Pickle

    Samsung Patents the Drone Screen

    Samsung Patents the Drone Screen

    In our innovation center we looked at many variants of the screen.  Especially as it related to in store and public retail advertising.  Here something new, a drone that resents a screen.  With lots of possibilities around scale…

    Franz Dill | February 19, 2018 at 10:20 PM

    From The Eponymous Pickle

    GraphGrail AI

    GraphGrail AI

    New to me, I like the attempt to create a broad solution ecosystem.   Send me some examples of useful applications in place.   Mentions Smart Contracts, which we are currently developing.

    GraphGrail:   AI meets Blockchain

    Graphgrail…

    Franz Dill | February 19, 2018 at 06:19 PM

    From Schneier on Security

    On the Security of Walls

    On the Security of Walls

    Interesting history of the security of walls: Dún Aonghasa presents early evidence of the same principles of redundant security measures at work in 13th century castles, 17th century star-shaped artillery fortifications, and…

    Bruce Schneier | February 19, 2018 at 05:24 PM

    From The Eponymous Pickle

    Portal for Scientific Discovery

    Portal for Scientific Discovery

    Augmentation for discovery is something we examined for research.

    Networking, Data Experts Design a Better Portal for Scientific Discovery
    Lawrence Berkeley National Laboratory

    Scientists from the U.S. Department of Energy's Energy…

    Franz Dill | February 19, 2018 at 05:05 PM

    From The Computing Community Consortium Blog

    Exploratory Advanced Research Program 2018 Broad Agency Announcement

    Exploratory Advanced Research Program 2018 Broad Agency Announcement

    The Federal Highway Administration (FHWA) issued a Presolicitation Notice for its 2018 Exploratory Advanced Research Program’s Broad Agency Announcement (BAA) with an anticipated posting date soon. Through the issuance of this…

    Helen Wright | February 19, 2018 at 02:35 PM

    From The Eponymous Pickle

    Hacking Phone Pins with Sensor Data

    Hacking Phone Pins with Sensor Data

    Disturbing Situation ... You have to think about what data is being gathered by sensors, and if that new data can be used to predict other data ... and beyond.  A whole stream of inference to check.  Note the prediction does

    Hackers…

    Franz Dill | February 19, 2018 at 01:38 PM

    From The Eponymous Pickle

    Dimensions of Digital Trust

    Dimensions of Digital Trust

    Fascinating take.  A little skeptical about the approach to gathering this detailed information.  Why just 4 dimensions?   Worth the read.

    The 4 Dimensions of Digital Trust, Charted Across 42 Countries  By Bhaskar Chakravorti,…

    Franz Dill | February 19, 2018 at 01:11 PM

    From insideHPC

    Supercomputing Graphene Applications in Nanoscale Electronics

    Supercomputing Graphene Applications in Nanoscale Electronics

    Researchers at North Carolina State University are using the Blue Waters Supercomputer to explore graphene’s applications, including its use in nanoscale electronics and electrical DNA sequencing. "We’re looking at what’s beyond…

    staff | February 19, 2018 at 11:59 AM

    From insideHPC

    Agenda Posted: OpenPOWER 2018 Summit in Las Vegas

    Agenda Posted: OpenPOWER 2018 Summit in Las Vegas

    The OpenPOWER Summit has posted its speaker agenda. Held in conjunction with IBM Think 2018, the event takes place March 19 in Las Vegas. "The OpenPOWER Foundation is an open technical community based on the POWER architecture…

    Rich Brueckner | February 19, 2018 at 11:39 AM

    From insideHPC

    Video: Computing Challenges at the Large Hadron Collider

    Video: Computing Challenges at the Large Hadron Collider

    CERN's Maria Girona gave this talk at the HiPEAC 2018 conference in Manchester. "The Large Hadron Collider (LHC) is one of the largest and most complicated scientific apparata ever constructed. "In this keynote, I will discuss…

    Rich Brueckner | February 19, 2018 at 10:39 AM

    From insideHPC

    Radio Free HPC Looks at Diverging Chip Architectures in the Wake of Spectre and Meltdown

    Radio Free HPC Looks at Diverging Chip Architectures in the Wake of Spectre and Meltdown

    In this podcast, the Radio Free HPC team looks at the tradeoff between chip performance and security. In the aftermath of the recently disclosed Spectre and Meltdown exploits, Cryptograpy guru Paul Kocher from Rambus is calling…

    Rich Brueckner | February 19, 2018 at 10:00 AM

    From The Eponymous Pickle

    Drop Ship Stress Panel

    Drop Ship Stress Panel

    Does Drop Ship Put too Much Stress on the Supply Chain?
    Dan Gilmore in Retailwire.

    Through a special arrangement, presented here for discussion is a summary of a current article from Supply Chain Digest. .... 

    A panel at last month…

    Franz Dill | February 19, 2018 at 09:46 AM

    From Computational Complexity

    The web bad/People using it bad.

    I was going to write a post about how hard it was to find what grades mean at different schools (e.g., at UMCP W (for withdraw) means the student dropped the course, but at UT Austin its Q (for Quit?)) but then I found that my…

    GASARCH | February 18, 2018 at 11:08 PM
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