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XK7 (Titan) Node Description

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See this article in context within the following user guides: Accelerator

Each Titan compute node contains (1) AMD Opteron™ 6274 (Interlagos) CPU and (1) NVIDIA Tesla™ K20X (Kepler) GPU connected through a PCI express 2.0 interface. Each CPU is connected to a Cray Gemini interconnect through a hypertransport 3 interface. The CPU has access to 32 gigabytes of DDR3 memory while the GPU has access to 6 GB of GDDR5 memory.

This configuration is shown graphically below.

XK7 Node