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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.

Excerpt

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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Type

N. Nodes

CPU

Cores Per Node

RAM Per Node

GPUs Per Node

Login

49

AMD Milan2x 64256GBn/a

CPU computing

1592

AMD Milan (2.45GHz, 280W)

2x 64

256GBn/a
CPU high memory8AMD Milan (2.45GHz, 280W)2x 641TBn/a
GPU computing154AMD Trento1 x 64256GB8 GCDs (from 4x "AMD MI250X" cards, each card with 2 GCDs)
GPU high memory38AMD Trento1 x 64512GB8 GCDs (from 4x "AMD MI250X" cards, each card with 2 GCDs)
Data movement411

AMD 7502P

1x 32128Gbn/a

More details regarding the hardware architecture and filesystems are made available in the sections below.

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Section


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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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Filesystem
Filesystem

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