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

November 2017


From The Computing Community Consortium Blog

CCC Responds to New York Times Article- Society Needs Computer Science (and Math and Social Sciences) Now More Than Ever

CCC Responds to New York Times Article- Society Needs Computer Science (and Math and Social Sciences) Now More Than Ever

The following blog post was drafted by CCC Chair Beth Mynatt, CCC Exec Member Ben Zorn, and CCC Council Members Elizabeth Bradley, Sampath Kannan, and Cynthia Dwork. Beth Mynatt, CCC Chair, recently submitted the following letter…


From BLOG@CACM

Human Acts and Computer Apps

Human Acts and Computer Apps

Our behaviors often seem to mimic the procedures that we induce in computers. What questions does that raise?


From insideHPC

UCX and UCF Projects for Exascale Move Forward at SC17

UCX and UCF Projects for Exascale Move Forward at SC17

In this video, Jeff Kuehn from LANL, Pavel Shamis from ARM, and Gilad Shainer from Mellanox describe progress on the new UCF consortium, a collaboration between industry, laboratories, and academia to create an open-source production…


From insideHPC

Video: BSC Simulations Predict Air Traffic Disruption from Antarctic Volcanic Ash

Video: BSC Simulations Predict Air Traffic Disruption from Antarctic Volcanic Ash

Researchers are using HPC systems at the Barcelona Supercomputing Center to predict potential threats to air traffic posed by Antarctic volcanoes. "Antarctic volcanoes might pose a higher threat than previously considered. A …


From insideHPC

Video: Mellanox Takes HPC Interconnects to the Next Level at SC17

Video: Mellanox Takes HPC Interconnects to the Next Level at SC17

In this video, Gilad Shainer from Mellanox describes the company's advanced interconnect technologies that were on display at SC17 in Denver. "Mellanox is leading industry innovation by providing the highest throughput and lowest…


From insideHPC

HPE Superdome Flex to power Stephen Hawking’s COSMOS Research Group

HPE Superdome Flex to power Stephen Hawking’s COSMOS Research Group

Today HPE announced a collaboration with the Faculty of Mathematics at the University of Cambridge to accelerate new discoveries in the mathematical sciences. This includes partnering with Stephen Hawking’s Centre for Theoretical…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

How (Some) Schools Sabotage Computer Science Education

How (Some) Schools Sabotage Computer Science Education

There are many problems getting more computer science into schools. There is a shortage of teachers. There is a problem with room in the schedule. I could go on but there are also problems for schools who have computer science…


From insideHPC

Video: Pure Storage Speeds I/O for AI & HPC Workloads at SC17

Video: Pure Storage Speeds I/O for AI & HPC Workloads at SC17

In this video from SC17 in Denver, Brian Gold from Pure Storage describes how the company's innovative FlashBlade Systems speed up I/O for AI & HPC workloads. "From scientific research and movie rendering to artificial intelligence…


From insideHPC

Exploring the OpenHPC Solution for HPC

Exploring the OpenHPC Solution for HPC

To meet some of the biggest HPC software challenges, representatives from more than 25 academic, research, and commercial organizations formed a community project at the end of 2015: OpenHPC. This is the third article in a four…


From The Eponymous Pickle

Who will Fly all the Drones?

Who will Fly all the Drones?

NASA Finds AI-Powered Drones May Be Safer Than Human-Flown Ones 

International Business Times    By Rishabh Jain

Researchers at the U.S. National Aeronautics and Space Administration's Jet Propulsion Laboratory (JPL) have demonstrated…


From The Eponymous Pickle

Chinese Consumer Landscape

Chinese Consumer Landscape

Double-clicking on the Chinese consumer
By Wouter Baan, Lan Luan, Felix Poh, and Daniel Zipser.  In McKinsey

A rising post-90s generation is emerging as a strong engine of consumption, in one of four important new trends in the…


From Schneier on Security

Man-in-the-Middle Attack against Electronic Car-Door Openers

Man-in-the-Middle Attack against Electronic Car-Door Openers

This is an interesting tactic, and there's a video of it being used: The theft took just one minute and the Mercedes car, stolen from the Elmdon area of Solihull on 24 September, has not been recovered. In the footage, one of…


From BLOG@CACM

The Citadel and the Amusement Park

The Citadel and the Amusement Park

There are two kinds of Web sites.


From The Eponymous Pickle

Customer Data in Grocery

Customer Data in Grocery

The new grocery battleground – customer data 

By Rick Ferguson  in The Wise Marketer  

The retail grocery game has never been for the faint of heart, what with its razor-thin margins, relentless competition, and fickle customers…


From Daniel Lemire's Blog

Bit hacking versus memoization: a Stream VByte example

Bit hacking versus memoization: a Stream VByte  example

In compression techniques like Stream VByte or Google’s varint-GB, we use control bytes to indicate how blocks of data are compressed. Without getting into the details (see the paper), it is important to map these control bytes…


From The Eponymous Pickle

Recorded Future on IoT

Recorded Future on IoT

Recall we connected with Recorded Future some time ago to understand their visually oriented method to analyze and react to known and predicted external threats.    We sought to use it to help us think about external activity…


From The Computing Community Consortium Blog

TIME’s 25 Best Inventions of 2017

TIME’s 25 Best Inventions of 2017

TIME’s 25 best inventions of 2017 are a mixture of fun little gadgets like the fidget spinner, a DIY cooking companion called Tasty One Top, and delicious treats like Halo Top ice cream. What is surprising, however, is that most…


From Computational Complexity

Van der Waerden's theorem implies the infinitude of the primes



(Sam Buss and Denis Hirschfeld helped me on this post.)



I was reading the table of contents of the American Math Monthly and saw an article by Levent Alpoge entitled



Van der Waerden and the primes



in which he showed fromhere…


From insideHPC

Radio Free HPC wraps up the SC17 Student Cluster Competition

Radio Free HPC wraps up the SC17 Student Cluster Competition

In this podcast, the Radio Free HPC team goes over the results of the SC17 Student Cluster Competition. This year, Nanyang Technological University from Singapore took the Top Prize. "In this competition, student teams design…


From The Eponymous Pickle

AVA Does Customer Service

AVA Does Customer Service

As part of a look and conversation regarding conversational agents for both engagement, loyalty and enhanced customer service for Autodesk.  Does such a solution have to look like a human?   Note below Watson services are being…


From insideHPC

NVIDIA and Nuance to Advance AI for Radiology

NVIDIA and Nuance to Advance AI for Radiology

Today Nuance Communications announced that they are working together to bring the power of machine learning to radiologists and data scientists working across the entire healthcare system. "We stand on the edge of a new age in…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

A Rose By Any Other Name Gives An Error

A Rose By Any Other Name Gives An Error

There is an old computer science joke that goes more or less like this:

There are two hard things in Computer Science: cache invalidation, naming things, and off-by-one errors

Now I don’t have to cover cache invalidation in myToday…


From insideHPC

Argonne to Install Comanche System to Explore ARM Technology for HPC

Argonne to Install Comanche System to Explore ARM Technology for HPC

Argonne National Laboratory is collaborating with HPE to provide system software expertise and a development ecosystem for a future high-performance computing system based on 64-bit ARM processors. "Argonne is working with HPE…


From The Eponymous Pickle

Machines that Say No

Machines that Say No

Back to how we interact with machines and the implications of different aspects of dialog.    Do we really expect a 'No' from a machine?   Different than 'disobeying our commands',  I would note.  Both have their own implications…


From insideHPC

AMD steps up with EPYC Processors for HPC at SC17

AMD steps up with EPYC Processors for HPC at SC17

In this video from SC17, Josh Mora describes how the new AMD EPYC Processors deliver huge memory bandwidth and application performance for HPC. "EPYC strikes the perfect balance of cores/threads, memory, I/O bandwidth and security…


From The Eponymous Pickle

Substitute Phone for Device Addiction

Substitute Phone for Device Addiction

Kick your smartphone habit with the 'Substitute Phone'  in Engadget

Pinch, scroll and slide your way to a phone-free future.

Cigarettes are hard to kick not just because of the nicotine, but the fact that they give you something…


From The Eponymous Pickle

SIGAI Blog

SIGAI Blog

ACM's blog about AI aspects of computer science.  Newsletter form.  Worth following.  Recent posts:

News from AAAI FSS-17
Public Policy Opportunities
Is it too late to address the moral , ethical, and economic issues introduced
Joint…


From insideHPC

Video: HPE Showcases Innovation for HPC at SC17

Video: HPE Showcases Innovation for HPC at SC17

In this video, Bill Mannel gives a booth tour that highlights some of the amazing HPC innovations on display in the HPE booth at SC17. "HPE’s first ARM-based HPC system brings more choice and flexibility to HPC customers. The…


From Schneier on Security

Uber Data Hack

Uber Data Hack

Uber was hacked, losing data on 57 million driver and rider accounts. The company kept it quiet for over a year. The details are particularly damning: The two hackers stole data about the company's riders and drivers ­-- including…


From insideHPC

Video: Introducing the 125 Petflop Sierra Supercomputer

Video: Introducing the 125 Petflop Sierra Supercomputer

In this video, researchers from Lawrence Livermore National Laboratory describe Sierra, LLNL’s next-generation supercomputer. "The IBM-built advanced technology high-performance system is projected to provide four to six times…