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Chapel Parallel Iterators: Giving Programmers Productivity with Control

CHAPEL-LOGO-FINAL

As described in my previous blog article, Chapel is an emerging parallel programming language that we’re developing at Cray to dramatically simplify parallel programming, from your multicore laptop to the world’s most powerful Cray systems.  Chapel is being developed in an open-source manner and is designed and implemented with portability as a key concern. While the previous article gave a high-level overview of Chapel's concepts, implementation, and next steps, in this article I'll provide a deeper dive into one specific Chapel feature area—its support for user-defined parallel iterators.  This feature is designed to give programmers full control over the parallelism and scheduling used to implement parallel loops, yet in a … [Read more...]

A look at Indiana University’s New “Big Red II” Supercomputer

Big Red

Twenty-five times faster than its predecessor, Indiana University’s new “Big Red II” Cray supercomputer is up and running, and ready to speed engineering innovation and scientific discovery to the tune of one thousand trillion floating-point operations per second. Leveraging years of experience with Cray machines and embracing the same HPC architecture as other large national lab machines, IU is now more equipped than ever to take on the increasing challenges of data-intensive computing. Utilizing the world’s fastest university-owned supercomputer, IU will now be able address new science and technology challenges, addressing much larger and vastly more complex problems. Building on the success of the original Big Red 1 system, … [Read more...]

One of the world’s most powerful supercomputers opens for business…and Science!

Blue Waters Blog

The Blue Waters supercomputer, which is housed at the University of Illinois at Urbana-Champaign's National Center for Supercomputing Applications (NCSA), recently opened for use in a ceremony that featured a variety of movers and shakers in the high-performance computing, corporate, government and science sectors. Among those industry leaders was Pete Ungaro, President and CEO of Cray Inc., who spoke at the event along with Pat Quinn, the Governor of the State of Illinois. The event represented Blue Waters' formal introduction into research society, as it has already been used for important early projects and is now being made more widely available. With tight HPC-integration across compute, memory and storage, Blue Waters, a Cray XK7 … [Read more...]

Supercomputer, Cluster, Cellphone – What’s the difference?

Clusters vs. Supercomputers

Let’s admit it. Supercomputing is an interesting industry to work in, and this line of employment often generates some peculiar questions and thoughts from people trying to gain a better understanding of what it is that we actually design, develop, build and sell. I often hear the saying: “my cellphone is a supercomputer because it’s just as fast, or faster, than a supercomputer was 30 years ago. Believe it or not, you still cannot predict a tornado on a cellphone, it just won’t work. You need a supercomputer for that type of scientific prognostication.  While today’s smartphones are, well, smart, they’re not that smart. The saying does hold some deep truth for us about commoditization and technological evolution, but … [Read more...]

NCKU deploys Cray supercomputer to support life sciences research

NCKU Life Sciences Blog_05232013

The National Cheng Kung University (NCKU) in Taiwan recently put the high performance computing resources of a Cray supercomputer into its Computer and Network Center. The university’s new system, a Cray XE6m supercomputer, can achieve peak performance of more than 4 teraflops. Acquiring a new supercomputer is an important step for the university. The Cray XE6m system, which will be overseen by the university’s supercomputing research center, will be used for critical research that will ultimately benefit society at large. Research otherwise not possible without their new Cray. NCKU's life sciences research project NCKU has supported a wide range of research efforts in its Computer and Network center, but the university is gearing … [Read more...]