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The Intel Larrabee GPU was not a traditional GPU. Designers reasoned that many functions typically implemented in dedicated hardware could instead be done efficiently in software using a wide vector ALU. Among these functions was rasterization. To compensate for the absence of a dedicated rasteriser, Intel engineers designed a recursive rasterizer algorithm that efficiently utilizes Larrabee's compute...
We present a tool for automatically generating efficient feed-forward logic for hardware acceleration of artificial neural networks (ANNs). It produces circuitry in the form of synthesizable Verilog code that is optimized based on analyzing training data to minimize the numbers of bits in weights and values, thereby minimizing the number of logic gates in ANN components such as adders and multipliers...
Graphics processing units (GPUs) continue to grow in popularity for general-purpose, highly parallel, high-throughput systems. This has forced GPU vendors to increase their focus on general purpose workloads, sometimes at the expense of the graphics-specific workloads. Using GPUs for generalpurpose computation is a departure from the driving forces behind programmable GPUs that were focused on a narrow...
Power consumption is a primary concern for microprocessor designers. Lowering the supply voltage of processors is one of the most effective techniques for improving their energy efficiency. Unfortunately, low-voltage operation faces multiple challenges going forward. One such challenge is increased sensitivity to voltage fluctuations, which can trigger so-called “voltage emergencies” that can lead...
Lowering supply voltage is one of the most effective techniques for reducing microprocessor power consumption. Unfortunately, at low voltages, chips are very sensitive to process variation, which can lead to large differences in the maximum frequency achieved by individual cores. This paper presents Booster, a simple, low-overhead framework for dynamically rebalancing performance heterogeneity caused...
Energy efficiency is a primary concern for microprocessor designers. One very effective approach to improving processor energy efficiency is to lower its supply voltage to very near to the transistor threshold voltage. This reduces power consumption dramatically, improving energy efficiency by an order of magnitude. Low voltage operation, however, increases the effects of parameter variation resulting...
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