![]() Synopsys is addressing this issue by implementing a superscalar version of the pipeline of the popular HS3x family of processors in five new DesignWare ARC cores, some of which also have hardware support for advanced DSP algorithms. This seems a particularly appropriate way to address the HMI implementation issue, given that many of the core recognition algorithms are really specialized forms of signal processing. The answer for many has been to build multi-core processors made up of a heterogeneous mix of specialized cores, each tuned to a different task. That poses a dilemma for processor designers: how to get more performance out of a processor architecture when power constraints mean that it is no long possible to simply crank up the clock speed. Many of these user interfaces will be embedded in increasingly personal objects, and yet will demand orders of magnitude more computing power to run than, for example, a touchscreen or WIMP interface. The next generation of user interfaces will be more natural and seamless still, using cameras to recognize gestures made in free space, the direction in which we are looking, our levels of attention and moods, and even our body language. ![]() Smartphones have brought us touch, swipe and pinch to zoom gestures, and voice assistants such as Siri. User interfaces have evolved too – from punched-card programming and tape drives through green-screen terminals to the windows, icons, menus and pointer (WIMP) approaches of today’s desktops and laptops. Wearable technology is now creating an intimate relationship between people and computers, mediated in some cases by little more than our skins. The advent of the personal computer brought computing to home offices and eventually schools, while the invention of mobile phones put computers in our pockets. Decades ago, computers were mainframes that were jealously guarded by a caste of IT specialists who might be persuaded to run a program and send you the results if it suited them. ![]() Our relationships with computers are getting closer all the time. Michael Thompson is the senior manager of product marketing for the DesignWare ARC processors at Synopsys ![]()
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