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Info
titleWhat platforms are affected?

All user platforms at the centre will see their default additional software stack updated:

  • All clusters in our High Performance Computing Facility, mainly CCA and CCB
  • ECGATE
  • Linux Clusters
  • Linux Desktops
Info
titleDo I need to do anything?

We strongly recommend you test that your programs, scripts and suites work with the new versions of any software or library affected before the change happens.

In particular, if using ecFlow, please make sure you check the triggers in your suites are well defined as described below.

Table of contents

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With the upcoming Implementation of IFS cycle 46R1, this set of defaults is ready to handle the data produced, including all the new parameters introduced in this cycle

Default GNU compiler updated

The GNU GCC compiler is used by default in our Linux Clusters. After this session, version 7.3 of this popular compiler will be used by default, instead of the old 6.3.

Python 3 Ready

A more complete Python 3 deployment has been made, with all major ECMWF packages supporting it: Magics, Metview, ecFlow and ecCodes (in beta). We encourage all Python users to start migrating their programs to Python 3, as the official support 

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See the Magics and Metview latest news for a more detailed list of changes.

Default GNU compiler updated

Improved ecFlowUI

This ecFlow release introduces the Timeline View in ecFlowUI. This is available as a tab in the Info Panel and provides a graphical view of node state history taken from the log file, allowing greater overview and analysis of node start and run times. It also supports a Duration view mode, displaying the submission and active times. This mode allows you to filter the nodes of your choice. The Timeline View provides the ideal tool to help you identify and optimise the tasks that are taking too much timeThe GNU GCC compiler is used by default in our Linux Clusters. After this session, version 7.3 of this popular compiler will be used by default, instead of the old 6.3.

Update of main third-party software package defaults across all platforms

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Users that experience problems with the new default software packages after the update of 10 May will be able to revert to the old default versions. These can be selected with the commands:

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