COMPASS: A Programmable Data Prefetcher Using Idle GPU Shaders

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Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
A traditional fixed-function graphics accelerator has evolved into a programmable general-purpose graphics processing unit over the last few years. These powerful computing cores are mainly used for accelerating graphics applications or enabling low-cost scientific computing. To further reduce the cost and form factor, an emerging trend is to integrate GPU along with the memory controllers onto the same die with the processor cores. However, given such a System-on-Chip (SoC), the GPU, while occupying a substantial part of the silicon, will sit idle and contribute nothing to the overall system performance when running non-graphics workloads or applications lack of data-level parallelism.
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