What is PacketShader?

PacketShader is a high-performance PC-based software router platform that accelerates the core packet processing with Graphics Processing Units (GPUs). Based on our observation that the CPU is the typical performance bottleneck in high-speed sofware routers, we scale the computing power in a cost-effective manner with massively-parallel GPU. PacketShader offloads computation and memory-intensive router applications to GPUs while optimizing the packet reception and transmission path on Linux. With extensive batch processing and pipelining, PacketShader achieves an unprecedented IP packet forwarding performance of 40 Gbps on an eight-core Nehalem server even for 64-byte packet size.


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