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Comment: Reverted from v. 5

Starting from August 24thSeptember 5th, 2023, Setonix will include compute nodes with the new Cray Programming Environment (CPE) 23.0203. This update to CPE will result in better performance of the supercomputer but will also imply a series of modifications and updates in the whole working environment to users. The purpose of this page is to consolidate in one place all the important points that researchers will need to pay attention, together with the recommended actions or changes to take.

What is new in CPE 23.

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The Cray Programming Environment (CPE) is the programming environment provided by the vendor on Setonix. It has been updated to version 23.03 and includes newer MPI libraries, newer Cray (14.0.3 -> 15.0.1) and GCC (12.1.0 -> 12.2.0) compilers. The AOCC compiler and programming environment should NOT be used as it is unstable.

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