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The system on a chip (SoC) at the heart of the Xbox One entertainment console is one of the largest consumer designs to date, with five billion transistors. The Xbox One Kinect image sensor uses time-of-flight technology to provide high-resolution, low-latency, lighting-independent 3D image sensing. Together, Kinect and the SoC provide unique voice and gesture interaction with high-performance games...
GPUs have become an attractive target for accelerating parallel applications and delivering significant speedups and energy-efficiency gains over multicore CPUs. Programming GPUs, however, remains challenging because existing GPUs lack the well-defined memory model required to support high-level languages such as C++ and Java. The authors tackle this challenge with Temporal Coherence, a simple and...
Vector-SIMD architectures have gained increasing attention because of their high performance in signal-processing applications. However, the performance of existing vector-SIMD architectures remains limited because of their inefficiency in the coordinated exploitation of different hardware units. To solve this problem, this article proposes the FT-Matrix architecture, which improves the coordination...
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