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HIGH LEVEL SIMULATION OF SVP MANY-CORE SYSTEMS

机译：SVP多核系统的高层仿真

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摘要

The Microgrid is a many-core architecture comprising multiple clusters of fine-grained multi-threaded cores. The SVP API supported by the cores allows for the asynchronous delegation of work to different clusters of cores which can be acquired dynamically. We want to explore the execution of complex applications and their interaction with dynamically allocated resources. To date, any evaluation of the Microgrid has used a detailed emulation with a cycle accurate simulation of the execution time. Although the emulator can be used to evaluate small program kernels, it only executes at a rate of 100K instructions per second, divided over the number of emulated cores. This makes it inefficient to evaluate a complex application executing on many cores using dynamic allocation of clusters. In order to obtain a more efficient evaluation we have developed a co-simulation environment that executes high level SVP control code but which abstracts the scheduling of the low-level threads using two different techniques. The co-simulation is evaluated for both performance and simulation accuracy.
机译：Microgrid是一个多核体系结构，包含多个细粒度多线程内核集群。内核支持的SVP API允许将工作异步委派给可以动态获取的不同内核集群。我们想探索复杂应用程序的执行及其与动态分配资源的交互。迄今为止，对微电网的任何评估都使用了详细的仿真，并对执行时间进行了周期精确的仿真。尽管仿真器可用于评估小程序内核，但其执行速度仅为每秒10万条指令，除以仿真内核的数量即可。这使得使用集群的动态分配来评估在许多内核上执行的复杂应用程序效率低下。为了获得更有效的评估，我们开发了一个协同仿真环境，该环境执行高级SVP控制代码，但使用两种不同的技术对低级线程的调度进行抽象。评估联合仿真的性能和仿真精度。

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