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subjectPerformance And Reliability
authorDaniel Reed

Exascale Computing and Big Data: Time To Reunite
From BLOG@CACM

Exascale Computing and Big Data: Time To Reunite

It is past time to reunite the big data, cloud, and high-performance computing communities. Each can each learn much from the other.

Leaping the Exascale Chasm
From BLOG@CACM

Leaping the Exascale Chasm

The global race is on to build ever-faster supercomputers, fueled by a combination of scientific and engineering needs to simulate phenomena with greater resolution...

Exascale Software: Just a Few Orders of Magnitude
From BLOG@CACM

Exascale Software: Just a Few Orders of Magnitude

Extraordinary parallelism, unprecedented data locality and adaptive resilience: these are daunting architecture, system software and application challenges for...

Little's Law in the Exascale Era
From BLOG@CACM

Little's Law in the Exascale Era

When performance optimization, reliability requirements, and energy management are convolved with component costs, device physics, system software services and...

Analog Computing: Time For a Comeback?
From BLOG@CACM

Analog Computing: Time For a Comeback?

Use of the word "computer" conjures certain images. One of them, so deeply ingrained that we rarely question it, is that computing is digital. The alternative,...

2010 Seymour Cray and Sidney Fernbach Awards
From BLOG@CACM

2010 Seymour Cray and Sidney Fernbach Awards

This year, I again had the honor and privilege to chair the selection committee for the IEEE Seymour Cray and Sidney Fernbach awards, both of which were presented...

HPC and the Excluded Middle
From BLOG@CACM

HPC and the Excluded Middle

Betwixt and between ubiquitous consumer software and the ethereal realm of ultra-high-performance computing, lies the excluded middle, the world of day-to-day computational...

Simple HPC Wins
From BLOG@CACM

Simple HPC Wins

You want to be the first person to design a successful, transistorized computer system, not the last person to design vacuum tube computer.  Any designer's challenge...

SC09 Reflections: The Need For Speed
From BLOG@CACM

SC09 Reflections: The Need For Speed

SC09 (aka the “Supercomputing Conference”) was held during the week of November 16.  The conference set an attendance record this year – roughly 10,000 attendees...

Cray and Fernbach Award Winners
From BLOG@CACM

Cray and Fernbach Award Winners

This year, I have the honor and privilege to chair the selection committee for the Seymour Cray and Sidney Fernbach awards, which recognize outstanding contributions...

The Fallacy of Rankings
From BLOG@CACM

The Fallacy of Rankings

The list of the world's fastest computers will soon be announced. As always, we can expect the latest announcement to garner interest among the technological community...

HPC: Making a Small Fortune
From BLOG@CACM

HPC: Making a Small Fortune

There is an old joke in the high-performance computing community that begins with a question, “How do you make a small fortune in high-performance computing?” There...

High-Performance Computing: Where
From BLOG@CACM

High-Performance Computing: Where

By definition, the raison d’être for high-performance computing is high performance, but floating point operations per second (FLOPS) need not be the only measure...

When Petascale Is Just Too Slow
From BLOG@CACM

When Petascale Is Just Too Slow

Evolution or revolution, it’s the persistent question. Can we build reliable esascale systems from extrapolations of current technology or will new approaches be...

Connecting the Two Ends: Mobile Clouds
From BLOG@CACM

Connecting the Two Ends: Mobile Clouds

  In 1959, the colorful and brilliant physicist, Richard Feynman, gave a seminal lecture to the American Physical Society entitled, "There's Plenty of Room at...
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