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Communications of the ACM

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

October 2017


From insideHPC

MareNostrum Supercomputer to contribute 475 million core hours to European Research

MareNostrum Supercomputer to contribute 475 million core hours to European Research

Today the Barcelona Supercomputing Centre announced plans to allocate 475 million core hours of its supercomputer MareNostrum to 17 research projects as part of the PRACE initiative. Of all the nations participating in PRACE's…


From insideHPC

HPC I/O for Computational Scientists

HPC I/O for Computational Scientists

Phil Carns from Argonne gave this talk at the 2017 Argonne Training Program on Extreme-Scale Computing. "Darshan is a scalable HPC I/O characterization tool. It captures an accurate but concise picture of application I/O behavior…


From Schneier on Security

IoT Cybersecurity: What's Plan B?

IoT Cybersecurity: What's Plan B?

In August, four US Senators introduced a bill designed to improve Internet of Things (IoT) security. The IoT Cybersecurity Improvement Act of 2017 is a modest piece of legislation. It doesn't regulate the IoT market. It doesn't…


From insideHPC

How Manufacturing will Leap Forward with Exascale Computing

How Manufacturing will Leap Forward with Exascale Computing

In this special guest feature, Jeremy Thomas from Lawrence Livermore National Lab writes that exascale computing will be a vital boost to the U.S. manufacturing industry. “This is much bigger than any one company or any one industry…


From insideHPC

1000x Faster Deep-Learning at Petascale Using Intel Xeon Phi Processors

1000x Faster Deep-Learning at Petascale Using Intel Xeon Phi Processors

Intel Xeon Phi ProcessorsA cumulative effort over several years to scale the training of deep-learning neural networks has resulted in the first demonstration of petascale deep-learning training performance, and further to deliver this performance when…


From Computer Science Teacher – Thoughts and Information From Alfred Thompson

Am I Doing It All Wrong?

Am I Doing It All Wrong?

My programming students are learning about methods. Functions, subroutines, what ever you want to call them they are important. Coming up with examples for demos and projects is an interesting exercise. There are actually several…


From Putting People First

Innovate through service design – Experientia and Intesa Sanpaolo for “Torino Design of the City”

Innovate through service design – Experientia and Intesa Sanpaolo for “Torino Design of the City”

by Erin O’Loughlin – Photos: Naz Kazazoglu In Turin, you only need to tell your taxi driver “Take me to the skyscraper” to end up at the impressive Innovation Center of the Intesa Sanpaolo bank, rising in the heart of Turin, …


From insideHPC

Intel to Ship Neural Network Processor by end of year

Intel to Ship Neural Network Processor by end of year

Intel's Naveen Rao writes that Intel will soon be shipping the world’s first family of processors designed from the ground up for artificial intelligence. As announced today, the new chip will be the company's first step towards…


From The Eponymous Pickle

Amazon, Microsoft and Healthcare

Amazon, Microsoft and Healthcare

Will it be head to head or collaborative?  Microsoft  has already said they were collaborating with Alexa systems in their recent meeting.  Future health systems may need to do more listening than speaking.    More below:

Amazon…


From The Eponymous Pickle

Intelligent Workflow Drones

Intelligent Workflow Drones

Logical, first I had seen this stated this way. But then anything that does work to perform useful tasks or gather data should ideally be integrated into a workflow. Formally or informally.

Intelligent Workflow Drones  by Biren…


From The Eponymous Pickle

Algorithms teaching Algorithms

Algorithms teaching Algorithms

The ultimate AI play has devices teaching each other in context.

AI Algorithms Are Starting to Teach AI Algorithms

Automating machine learning will make the technology more accessible to non–AI experts.   by Will Knight,  Technology…


From insideHPC

ESnet’s Science DMZ Could Help Transfer and Protect Medical Research Data

ESnet’s Science DMZ Could Help Transfer and Protect Medical Research Data

The Science DMZ architecture developed for moving large data sets quick and securely could be adapted to meet the needs of the medical research community. "Like other sciences, medical research is generating increasingly large…


From insideHPC

Call for Contributions: PEARC18 in Pittsburgh

Call for Contributions: PEARC18 in Pittsburgh

The PEARC18 Conference has issued its Call for Contributions. The conference takes place June 22-27 in Pittsburgh. "The Practice & Experience in Advanced Research Computing (PEARC) annual conference series fosters the creation…


From insideHPC

Jesús Labarta from BSC to receive Ken Kennedy Award

Jesús Labarta from BSC to receive Ken Kennedy Award

Today ACM and IEEE Computer Society named Jesús Labarta of the Barcelona Supercomputing Center as the recipient of the 2017 ACM-IEEE CS Ken Kennedy Award. Labarta is recognized for his seminal contributions to programming models…


From insideHPC

Video: The AI Initiative at NIST

Video: The AI Initiative at NIST

Michael Garris from NIST gave this talk at the HPC User Forum. "AI-enabled systems are beginning to revolutionize fields such as commerce, healthcare, transportation and cybersecurity. It has the potential to impact nearly all…


From insideHPC

OpenSFS Announces Maintenance Release 2.10.1 for Lustre

OpenSFS Announces Maintenance Release 2.10.1 for Lustre

OpenSFS today announced the first Long Term Support (LTS) maintenance release of Lustre 2.10.1. "This latest advance, in effect, fulfills a commitment made by Intel last April to align its efforts and support around the community…


From Schneier on Security

Security Flaw in Infineon Smart Cards and TPMs

Security Flaw in Infineon Smart Cards and TPMs

A security flaw in Infineon smart cards and TPMs allows an attacker to recover private keys from the public keys. Basically, the key generation algorithm sometimes creates public keys that are vulnerable to Coppersmith's attack…


From insideHPC

HPC Software Stacks: Making High Performance Computing More Accessible

HPC Software Stacks: Making High Performance Computing More Accessible

More than 200 researchers at the University of Pisa use high performance computing (HPC) systems in their quantum chemistry, nanophysics, genome sequencing, engineering simulations and areas such as big data analysis. The University's…


From The Eponymous Pickle

Garmin Speak Adds Alexa Option

Garmin Speak Adds Alexa Option

Garmin Speak puts Amazon Alexa in your car,  It's now available for $150.   By Mariella Moon, @mariella_moon

Gamin's GPS devices already feature voice control, but if you'd prefer to have Alexa onboard, its latest product is more…


From Computer Science Teacher – Thoughts and Information From Alfred Thompson

CS Educator Interview: Mike Thompson

CS Educator Interview: Mike Thompson

I met Mike Thompson (no relation) just recently. He was giving a professional development session on teaching middle school students with AppInventor. I wanted to see how others taught that and I got some very helpful ideas and…


From Putting People First

Richard Thaler’s Nobel Prize is a win for good design

Richard Thaler’s Nobel Prize is a win for good design

by Erin O’Loughlin Richard Thaler’s 2017 Nobel Economics Prize on Monday was met with more buzz around the offices of our design agency than is usual for economics news. What people outside of the industry probably don’t realize…


From The Eponymous Pickle

Report from the Smart Kitchen Summit

Report from the Smart Kitchen Summit

Used to attend these kinds of meetings,  to feed our own innovation center experiments, always had to separate the reasonable from the outlandish.  In say a decade long frame.  I am a cook from way back so I do appreciate what…


From The Eponymous Pickle

Put Humans at the Center of AI

Put Humans at the Center of AI

Worked with the Stanford AI lab, and a number of the startups and students that came out of it.

Put Humans at the Center of AI  in Technology Review

At Stanford and Google, Fei-Fei Li is leading the development of artificial intelligence…


From The Eponymous Pickle

Google Improves, Automates Pet Tagging

Google Improves, Automates Pet Tagging

We were involved in work that sought to autotag pictures of people and pets in still images and video.  So this is quite a step forward.  Not too long ago this was not achievable.   Some details at the link below. 

Meow it’s even…


From insideHPC

Video: Supercomputing Models Enable Detection of a Cosmic Cataclysm

Video: Supercomputing Models Enable Detection of a Cosmic Cataclysm

In this podcast, Peter Nugent from Berkeley Lab explains how scientists confirmed the first-ever measurement of the merger of two neutron stars and its explosive aftermath. "Simulations succeeded in modeling what would happen…


From The Eponymous Pickle

Facebook Releases Video Neural Training Data

Facebook Releases Video Neural Training Data

More generally available training data for Deep Learning systems.

Facebook debuts new video datasets for training neural networks  by Maria Deutscher

 Facebook Inc. unveiled its latest contribution to the artificial intelligence…


From Computational Complexity

Reductions between formal languages



Let EQ = {w : number of a's = number of b's }



Let EQO = { anbn : n ∈  N} (so its Equal and in Order)



Typically we do the following:



Prove EQO is not regular by the pumping lemma.



Then to show EQ is not regular you say: If…


From insideHPC

ISC 2018 Issues Call For Tutorials and Workshops

ISC 2018 Issues Call For Tutorials and Workshops

ISC 2018 has issued their Call for Tutorials and Workshops. The conference takes place June 24-28 in Frankfurt, Germany. "If you possess knowledge and skills in a particular field in high performance computing, and enjoy sharing…


From The Eponymous Pickle

Seeking Voice Assistants in the Workplace

Seeking Voice Assistants in the Workplace

Now been involved in a number of brainstorm meetings addressing now virtual assistants can be used in the workplace.  Especially how voice can be used without disrupting a typical workplace.    Makes sense to use these for mundane…


From insideHPC

Supercomputing Earthquakes in the Age of Exascale

Supercomputing Earthquakes in the Age of Exascale

Over at LLNL, Linda Vu writes that tomorrow's exascale supercomputers, will enable researchers to accurately simulate the ground motions of regional earthquakes quickly and in unprecedented detail. "Ultimately, we’d like to get…

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