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Techniques for low energy computation in graphics processing
Techniques for low energy computation in graphics processing
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机译:图形处理中的低能耗计算技术
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摘要
Techniques and architecture are disclosed for using a latency first-in/first-out (FIFO) to modally enable and disable a compute block in a graphics pipeline. In some example embodiments, the latency FIFO collects valid accesses for a downstream compute and integrates invalid inputs (e.g., bubbles), while the compute is in an off state (e.g., sleep). Once a sufficient number of valid accesses are stored in the latency FIFO, the compute is turned on, and the latency FIFO drains a burst of valid inputs thereto. In some embodiments, this burst helps to prevent or reduce any underutilization of the compute which otherwise might occur, thus providing power savings for a graphics pipeline or otherwise improving the energy efficiency of a given graphics system. In some instances, throughput demand at the latency FIFO input is maintained over a time window corresponding to the on and off time of the compute block
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