Abstract
The 3D NoC, which blends 3D IC with NoC, overcomes the performance bottleneck of 2D NoC. However, the conventional buffered routers in 3D NoC have the problem of consuming a large amount of resources. In this paper, we propose 3D minimally buffered router using priority deflection (3D MinBPD). This router is the 3D extension of MinBWD and introduces TSV Buffers at the same time. Then, a priority-based deflection routing algorithm is proposed, which only needs local information to compute the priority of flit. The experimental results show that the performance of the 3D MinBPD is better than the reference objects’ under the network of \( 8 \times 8 \times 4 \), which is similar to the traditional buffered routers’ in the low and medium packet injection rate.
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