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titleWork in Progress for Phase-2 Documentation

The content of this section is currently being updated to include material relevant for Phase-2 of Setonix and the use of GPUs.
On the other hand, all the existing material related to Phase-1 and the use of CPU compute nodes can be considered safe, valid and up-to-date.

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Setonix is Pawsey's flagship supercomputer based on the HPE Cray EX architecture that was commissioned in 2020 and delivered in two phases over the course of 2022 and 2023.

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Figure 4. GPU node architecture. Note here the that the GPU's shown here are equivalent to a GCD (see here).


Note that each MI250X has two Graphics Compute Dies (GCD) that are accessible as two logical GPUs, for a total of eight per node.

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For more detail regarding the MI250X GPU architecture, refer to https://www.amd.com/en/technologies/cdna2the AMD CDNA 2 Architecture Whitepaper.

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