CpuDesign
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AMD teases next-gen Steamroller CPU, aims to Bulldoze the competition
AMD's Bulldozer CPUs remind us of Betamax (or MiniDisc), in that its superlative design hasn't been embraced thanks to one or two humbling limitations. However, Mark Papermaster, Sunnyvale's new CTO, took to the stage at Hot Chips to show how he's changing the situation with the third-generation Steamroller architecture. It's rowing back on the more experimental elements of the design, scrapping the single shared fetch-and-decode hardware in favor of dual-cores that should double the amount of instructions it can handle. It's hoping to make performance gains of 15 percent, clawing back some of Intel's lead, and is considering roping in the GPU to help with the heavy-hitting in future versions. The chips will be built at Globalfoundries 28-nanometer line and are hoped to be out at some point next year.
Researchers partially automate CPU core design, aim to fast track new PC processor production
Tired of the year wait (or more) in between new silicon architecture offerings from Chipzilla and AMD? Well, if some Wolfpack researchers have anything to say about it, we'll measure that wait in months thanks to a new CPU core design tool that automates part of the process. Creating a new CPU core is, on a high level, a two step procedure. First, the architectural specification is created, which sets the core's dimensions and arranges its components. That requires some heavy intellectual lifting, and involves teams of engineers to complete. Previously, similar manpower was needed for the second step, where the architecture spec is translated into an implementation design that can be fabricated in a factory. No longer. The aforementioned NC State boffins have come up with a tool that allows engineers to input their architecture specification, and it generates an implementation design that's used to draw up manufacturing blueprints. The result? Considerable time and manpower savings in creating newly designed CPU cores, which means that all those leaked roadmaps we're so fond of could be in serious need of revision sometime soon.
Minecraft users go wild building CPUs in their virtual world (video)
So, apparently this is what a functioning 16-bit arithmetic logic unit looks like... at least when it is designed in Minecraft. And that ain't the half of it! It seems that there are a whole bunch of folks who are taking the game, with its avatars, pitchforks, and immense landscape, and building computers and the like. Indeed, there is also a complete 8-bit CPU out there, which takes binary machine code and sends output to a line of torches. While we'd rather spend our time teaching our avatars to breakdance in Second Life, we do admire the hard work that clearly went into these projects. For a tutorial on the 8-bit CPU, hit up the source link. For more info on either of these projects, check out the folks' YouTube pages -- we've thoughtfully included the videos after the break.
Japanese researchers build 512-core math coprocessor
While we're just getting used to dual-cores and have our eyes on those upcoming quad-core chips, Japanese computer scientists at the University of Tokyo have built a 500MHz 512-core math co-processor chip that can perform up to 512 billion floating-point operations per second. The Grape DR chip is designed to fit on a PCI-X card and act as a secondary chip for the main CPU. The project, which has been ongoing since 1989, expects to reach two petaflops (that's two quadrillion, or 2,000,000,000,000,000) floating-point operations per second sometime around 2008. No doubt that Intel, which is planning on an 80-core processor by 2011, is watching this research very very closely.[Via Channel Register]
