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Entries from November 2008

Designing the Framework of a Parallel Game Engine

November 28th, 2008 · No Comments

Author: Jeff Andrews for Intel Software Network
“With the advent of multiple cores within a processor the need to create a parallel game engine has become more and more important. It is still possible to focus primarily on just the GPU and have a single threaded game engine, but the advantage of utilizing all the processors [...]

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Tags: HPC · MulticoreInfo · Programming

LINPACK: Intel’s Nehalem versus AMD Shanghai

November 28th, 2008 · 1 Comment

Source: AnandTech
An in depth comparison of the 45 nm Opterons, Xeons and Core i7 CPUs is published on AnandTech website. One of their benchmarks, the famous LINPACK painted a pretty interesting performance picture.
“We had to test with a matrix size of 18000 (2.5 GB of RAM necessary), as we only had 3 GB of [...]

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Tags: MulticoreInfo · Performance · Processors

AMD roadmaps Phenom II, quad-core Athlons

November 28th, 2008 · No Comments

AMD’s upcoming Phenom revamp, based on the introduction of the Socket AM3 interconnect, will indeed be dubbed the ‘Phenom II’ while versions of the family will become the first three- and four-core Athlons.
According to Asian industry moles cited by Chinese-language site HKEPC, the upcoming Athlon X2, X3 and X4 will contain - as their names [...]

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Tags: Industry News · MulticoreInfo · Processors

Finding Performance Bottlenecks & Data Races

November 27th, 2008 · No Comments

by Ilya Mirman
“As an example of zeroing in on a hotspot, consider the case of Dan Mirman, a UConn Psychology Postdoctoral Fellow investigating how word meanings are organized and structured in the brain. As part of his research, Dan uses the MikeNet Neural Network Simulator library.
Dan’s goal was to accelerate the research feedback loop. Running [...]

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Tags: MulticoreInfo · Performance · Programming

Homogenous vs. heterogenous multi-core: hardware strategies (Part 2)

November 26th, 2008 · 3 Comments

Here is a post on Rogue Wave blog about strategies that are defining current multicore evolution. There are homogeneous multicore and heterogeneous multicore technologies. The first installment of this post gives a brief summary of which companies are pursuing what technology.
Part 2 talks about pros and cons of each approach and some things to think [...]

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Tags: MulticoreInfo · Processors · Programming

Performance Scaling With Cores: Introducing The SMOKE Framework

November 26th, 2008 · 1 Comment

By Orion Granatir and Ryan Shrout, Gamasutra
Utilizing the full capacity of multi-core processors requires multi-threaded applications, and developing properly threaded software is a different and more difficult task than traditional coding.
Game development is one area that has lagged behind in the progression of multi-threaded software. With a typical coding structure that involves basically one [...]

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Tags: Applications · MulticoreInfo · Programming

Multicore for Project Managers and Junior Developers

November 26th, 2008 · No Comments

Dhananjay Nene, an experienced Software Engineer, writes an article to answer challenges posed by increasingly multicore CPUs for developers, and how these challenges affect the developers and project managers. Here are some excerpts from the article.
“Now as 2 and 4 core CPUs are commonplace and as people talk about upcoming CPUs with 80 or more [...]

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Tags: MulticoreInfo · Performance · Programming

Nesting Threading Building Blocks

November 26th, 2008 · No Comments

go Parallel interviews Intel Threading Building Blocks developers on various algorithms they are using. For our fourth installment of the Featured Algorithm series, they spoke with Paris-based developer Jérôme Muffat-Méridol, who prior to joining Intel this year, was working on an impressive image-sorting application called deepViewer. Recently demoed by Intel at its Developer Forum, the [...]

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Tags: Applications · MulticoreInfo · Performance · Programming

David Patterson conjures Moore’s Lawless parallel universe

November 26th, 2008 · 1 Comment

By Timothy Prickett Morgan for The Register
The oft-cited Moore’s Law is the fulcrum of the IT industry in that it has provided the means of giving us ever-faster and more sophisticated computing technology over the decades. This in turn allowed the IT industry to convince us that every one, two, or three years, we need [...]

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Tags: Events · HPC · MulticoreInfo · Processors · Programming

Intel’s Atom Just Isn’t For Desktops

November 25th, 2008 · No Comments

The time when the processor and platform markets were simply divided into desktop, server, and mobile hardware segments is long gone. Mobile products and related technologies have entered the enterprise and home markets to increase efficiency. Server technology increasingly meets the demand of enthusiasts. And OEMs are adding desktop components to mobile computers to reduce [...]

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Tags: MulticoreInfo · Processors

Hynix Announces World’s Fastest 7 Gb/s GDDR5 Memory

November 25th, 2008 · No Comments

Hynix Semiconductor has announced the world’s first 1 Gigabit GDDR5 graphics DRAM. The chips are also the fastest yet, which should help to enable a new generation of high performance graphics cards.
The new graphics memory is built on a 54 nm process technology and is capable of operating at a record setting speed of 7 [...]

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Tags: Chip Tech · Industry News · Memory

Intel, Micron to Mass Produce 34nm Memory Chips

November 25th, 2008 · No Comments

Intel and Micron are teaming up to take on Samsung and Toshiba in the battle for NAND flash memory, used for multimedia storage on consumer products such as iPods and digital cameras. But when falling consumer confidence is taking its toll on the flash memory market, is this the right time for Intel and Micron [...]

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Tags: Chip Tech · Industry News · Memory

Memristors Make Chips Cheaper

November 25th, 2008 · No Comments

Entire industries and research fields are devoted to ensuring that, every year, computers continue getting faster. But this trend could begin to slow down as the components used in electronic circuits are shrunk to the size of just a few atoms. Researchers at HP Labs in Palo Alto, CA, are betting that a new fundamental [...]

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Tags: Chip Tech · MulticoreInfo

The Basics of Programming Embedded Processors - A Nine Part Series

November 25th, 2008 · No Comments

By Wayne Wolf for Embedded.com
“Designing and implementing embedded programs is different and more challenging than writing typical workstation or PC programs. Embedded code must not only provide rich functionality, it must also often run at a required rate to meet system deadlines, fit into the allowed amount of memory, and meet power consumption requirements.
Designing code [...]

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Tags: MulticoreInfo

Samsung churning out faster 256GB SSDs

November 25th, 2008 · No Comments

Samsung Electronics today announced that it is mass-producing 256GB solid-state disk drives that deliver double the performance rate of its earlier 64GB and 128GB drives. The new SSDs are designed for use in laptop and desktop PCs and are available for resellers today.
Samsung said it has been able to narrow the disparity between read and [...]

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Tags: Industry News · Storage

Dealing with clock jitter in embedded DDR2/DDR3 DRAM designs

November 25th, 2008 · No Comments

By Scott Schaefer for Embedded.com
Prior to DDR2 technology, the expectation was that clock jitter specifications could be absorbed by the DRAM timing specifications. DDR2’s faster clock rates and on-chip delay locked loop (DLL) changed all that, and industry-standard clock jitter specifications became a requirement for users and suppliers, and some, such as Micron, actually [...]

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Tags: Embedded · Memory

Parallel Programming in the Age of Big Data

November 25th, 2008 · No Comments

Link Credit to insideHPC.com
“We’re now entering what I call the “Industrial Revolution of Data,” where the majority of data will be stamped out by machines: software logs, cameras, microphones, RFID readers, wireless sensor networks and so on. These machines generate data a lot faster than people can, and their production rates will grow exponentially with [...]

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Tags: HPC · MulticoreInfo · Programming

Multicore and Cryptographic Hash Functions

November 24th, 2008 · No Comments

by Ilya Mirman, Cilk Arts
Powerful computers have made cracking encryption schemes increasingly easier, but a recent effort is putting the ever more potent multicore CPUs to work on the encryption side of the equation.
A cryptographic hash function maps an input string to an output string of some fixed bit-length. Cryptographic hash functions have many applications, [...]

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Tags: MulticoreInfo · Programming

Parallel programming is still a challenge - SC08 Wrap by Gordon Huff

November 24th, 2008 · No Comments

In an article, Gordon Huff, a Principal IT Advisor with Illuminata, Inc., writes a summary of his SC08 visit. Regarding parallel programming for multi (many) core processor, he writes the following.
“Parallel programming is still a challenge. So much so that all-around computing guru David Patterson devoted his plenary session to the topic. That said, based [...]

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Tags: Events · HPC · MulticoreInfo · Programming

LynuxWorks launches next-gen hypervisor for high assurance systems

November 24th, 2008 · No Comments

Just released by Lynuxworks is LynxSecure 2.0, a new next-generation separation kernel and embedded hypervisor for high assurance systems.
LynxSecure provides a standards-based, secure, multi-domain computational platform that serves as a trusted foundation for applications with low, medium and high assurance requirements that are all running concurrently on a single system. It allows legacy applications to [...]

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Tags: Applications · HPC · Industry News · MulticoreInfo