OCIN06: Communication-Centric Design - Robert Mullins, Cambridge
25:04
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3 years ago
As architects focus on coarse-grained parallelism as the primary route to boosting performance, chip-wide communication infrastructures will become central to realising real system-level performance gains. This focus on communication is reinforced by technology scaling that accelerates local computations but has little impact on the delay of longer interconnects. In this talk I will describe our work on low-latency on-chip routers and our approaches to clocking on-chip networks. Many of these ideas have been evaluated as part of our latest test chip "Lochside". To conclude, I will speculate on where the current convergence in VLSI platform architectures may lead us.As architects focus on coarse-grained parallelism as the primary route to boosting performance, chip-wide communication infrastructures will...all »As architects focus on coarse-grained parallelism as the primary route to boosting performance, chip-wide communication infrastructures will become central to realising real system-level performance gains. This focus on communication is reinforced by technology scaling that accelerates local computations but has little impact on the delay of longer interconnects. In this talk I will describe our work on low-latency on-chip routers and our approaches to clocking on-chip networks. Many of these ideas have been evaluated as part of our latest test chip "Lochside". To conclude, I will speculate on where the current convergence in VLSI platform architectures may lead us.«
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