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Current handhelds incorporate a variety of acceler-ators/IPs for improving their performance and energy efficiency. While these IPs are extremely useful for accelerating parts of a computation, the CPU still expends a significant amount of time and energy in the overall execution. Coarse grain customized hardware of Android APIs and methods, though widely useful, is also not an option due to the high...
He VMware ESXi hypervisor attracts a wide range of customers and is deployed in domains ranging from desktop computing to server computing. While the software systems are increasingly moving towards consolidation, hardware has already transitioned into multi-socket Non-Uniform Memory Access (NUMA)-based systems. The marriage of increasing consolidation and the multi-socket based systems warrants low-overhead,...
Increasing data set sizes motivate for a shift of focus from computation-centric systems to data-centric systems, where data movement is treated as a first-class optimization metric. An example of this emerging paradigm is in-situ computing in largescale computing systems. Observing that data movement costs are increasing at an exponential rate even at a node level (as a node itself is fast-becoming...
Dynamic parallelism (DP) is a promising feature for GPUs, which allows on-demand spawning of kernels on the GPU without any CPU intervention. However, this feature has two major drawbacks. First, the launching of GPU kernels can incur significant performance penalties. Second, dynamically-generated kernels are not always able to efficiently utilize the GPU cores due to hardware-limits. To address...
Coherence misses are an important factor in limitingthe scalability of multi-threaded shared memory applicationson chip multiprocessors (CMPs) that are envisaged to containdozens of cores in the imminent future. This paper proposesa novel approach to tackling this problem by leveraging thegrowingly important paradigm of approximate computing. Manyapplications are either tolerant to slight errors in...
Handheld devices are ubiquitous in today's world. With their advent, we also see a tremendous increase in device-user interactivity and real-time data processing needs. Media (audio/video/camera) and gaming use-cases are gaining substantial user attention and are defining product successes. The combination of increasing demand from these use-cases and having to run them at low power (from a battery)...
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