![]() ![]() However, the worker cores must still synchronize with the DMA core when data is replaced this is fine for most double-buffered data movement schemes, but not ideal for other applications. Ideally, the worker cores are unaware of the data movement and scheduling in the DMA core, and the two only communicate through thread barriers and semaphores. In many applications, it simplifies the programming model by separating computation and data movement. ![]() This paradigm opens up entirely new possibilities for efficient computation scheduling. This DMA is also controlled by a Snitch core, making the cluster’s data movement fully programmable. To provide its worker cores with data, the cluster includes a large-throughput DMA that moves data between its tightly-coupled scratchpad and external memory. ![]() This multicore cluster couples tiny RISC-V Snitch cores with large double-precision FPUs and utilization-boosting extensions to maximize the area and energy spent on useful computation. Much of our work on high-performance systems uses the Snitch cluster. Block diagram of the Snitch cluster the DMA core is CC N+1. ![]()
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