Arm Forge Release History

This page describes the changes between releases of Arm Forge.

To download and install the latest version of Arm Forge, see our downloads page and follow the installation steps given in the Arm Forge user guide.

For more compatibility information, see our known issues and supported platforms topics.

Arm Forge

Version 20.2 - Latest release 20.2.1

Released: December 18, 2020

What's new in 20.2 - Latest release 20.2.1

Arm Forge 20.2 covers the following releases:

  • Arm Forge 20.2 - Release 13th November, 2020
  • Arm Forge 20.2.1 - Release 18th December, 2020

Arm DDT additions and changes

20.2.1

  • Disabled Python evaluations when multiple Python threads are present, as this could cause hanging issues with Python's global interpreter lock.

20.2
  • Added support for CUDA 11.0.

  • Added support for CUDA versions up to 11.1.

  • Removed the requirement to match CUDA driver and runtime versions when debugging CUDA applications.

  • Added support for Ubuntu 20.04.

  • Added support for Arm Compiler for Linux 20.3.

  • Various improvements and fixes for python debugging. Includes viewing objects, complex numbers, and dictionaries.

  • CUDA stepping focus feature removed after being broken for several releases.

  • Added support for evaluating Python classes.

  • Added Python source code files to the list in Project File View.

  • Changed the default launch strategy for IBM Spectrum MPI to avoid shipping Forge binaries. This often improves performance. To revert, export environment variable ALLINEA_DISABLE_SPECTRUMMPI_SCALABLE_SHIPOUT=0.

  • Python global variables now appear in the locals view when the selected frame is at the module level.

  • Updated PuTTY shipped with the Windows client to version 0.74.

  • Added support for evaluating pretty printing Python sequences.

Arm DDT resolved issues

20.2.1

  • [FOR-11678] Fixed an issue that could cause a debug session to fail when passing floating point arguments to functions on A64FX hardware.

  • [FOR-11851] Fixed an issue where mixed Fortran 90 and Fortran 77 relational operators were evaluated with the wrong precedence in the "Evaluate" panel.

  • [FOR-11641] Fixed an issue that caused Python debugging to fail for MPI programs when the Python interpreter binary included no debug information.

20.2
  • [FOR-10282] Fixed "Step out" behaviour, and improved "Step over" behaviour for Python programs.
  • [FOR-10321] Applied minor changes to python-gdb.
  • [FOR-11397] Fixed a bug with Python function breakpoints where they cannot be deleted properly.
  • [FOR-11331] Fixed an issue displaying the address of Fortran variables.
  • [FOR-11512] Fixed a bug where deleting a nested expression caused DDT to crash.
  • [FOR-11390] Fixed potential memory leak when evaluating Python expressions.
  • [FOR-11646] Fixed issue where the "current line" pane would be empty on some Linux distributions.

Arm MAP additions and changes

20.2.1

  • Added support for a full set of A64FX hardware counters.

  • Added the papi_uninstall.sh uninstall script for removing PAPI metrics.

20.2

  • Enabled CUDA profiling functionality with CUDA 11.0.
  • Added support for CUDA versions up to 11.1.
  • Added support for Ubuntu 20.04.
  • Added support for Arm Compiler for Linux 20.3.
  • Changed the default launch strategy for IBM Spectrum MPI to avoid shipping Forge binaries. This often improves performance. To revert, export environment variable ALLINEA_DISABLE_SPECTRUMMPI_SCALABLE_SHIPOUT=0.
  • Updated PuTTY shipped with the Windows client to version 0.74.
  • Added ability to uninstall PAPI metrics via papi_install.sh script.

Arm MAP resolved issues

20.2.1

  • [FOR-11840] Fixed a bug in GNU OpenMP support on AArch64 and ppc64le.

20.2

  • [FOR-10855] Fixed a potential crash on multi GPU systems when a GPU is not explicitly selected by the application.
  • [FOR-11292] Fixed a potential hang when profiling of a CUDA application is finished early.
  • [FOR-10261] Added GUI a message to notify when no CUDA Kernels are recorded.

Arm Performance Reports additions and changes

20.2.1

  • None in this release

20.2

  • Added support for CUDA versions up to 11.1.
  • Added support for Ubuntu 20.04.
  • Added support for Arm Compiler for Linux 20.3.
  • Changed the default launch strategy for IBM Spectrum MPI to avoid shipping Forge binaries. This often improves performance. To revert, export environment variable ALLINEA_DISABLE_SPECTRUMMPI_SCALABLE_SHIPOUT=0.
  • Added ability to uninstall PAPI metrics via papi_install.sh script.

Arm Performance Reports resolved issues

20.2.1

  • [FOR-11840] Fixed a bug in GNU OpenMP support on AArch64 and ppc64le.

20.2

  • [FOR-10855] Fixed a potential crash on multi GPU systems when a GPU is not explicitly selected by the application.

Deprecated features

The following features remain deprecated since the release of version 20.1, and might be removed in a future version:

  • VisIt Visualization.
  • Automatically adding breakpoints and tracepoints based on version control information.
  • Support for CUDA 8.x.
  • Support for Python 2.x.x.
  • Support for the following MPIs: SGI MPT (prior to HPE MPI), Open MPI on Cray X-series systems, Open MPI 2.x.x, Parastation MPI.
  • IPMI Energy Agent.
  • PAPI metrics. Use Perf metrics instead.

Known issues

Please refer to the known issues page.

Release Note for Release History 20.2 - Latest release 20.2.1

Arm Forge 20.2.1 Release Note
================================

Copyright (c) 2017-2020 Arm Limited (or its affiliates). All rights reserved.

Copyright (c) 2002-2017 Allinea Software Limited.

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-----------------------------------

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Copyright (c) 2002-2017 Allinea Software Limited.

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Confidentiality Status
----------------------

This document is Non-Confidential. The right to use, copy and disclose this document may be subject to license restrictions in accordance with the terms of the agreement entered into by Arm and the party that Arm delivered this document to.

Unrestricted Access is an Arm internal classification.

Product status
--------------

The information in this document is final, that is for a developed product.

Web address
-----------

http://www.arm.com

Progressive terminology commitment
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Contents
========

- Glossary
- Release overview
- Release contents
- Get started
- Support
- Release History


Glossary
========

The Arm Glossary is a list of terms used in Arm documentation, together with definitions for those terms. The Arm Glossary does not contain terms that are industry standard unless the Arm meaning differs from the generally accepted meaning.
See the Arm Glossary for more information: https://developer.arm.com/glossary.


Release overview
================

Product description
-------------------

Arm Forge 20.2.1 combines Arm DDT, Arm MAP, and Arm Performance Reports. Arm DDT is the leading debugger for time-saving high-performance application debugging. Arm MAP is the trusted performance profiler for invaluable optimization advice across native and Python HPC codes. Arm Performance Reports provides advanced reporting capabilities.

This release includes enhancements and bug fixes.

Release status
--------------

This is the 20.2.1 release of Arm Forge.

These deliverables are being released under the terms of the agreement between Arm and each licensee (the “Agreement”). All planned verification and validation is complete. The release is suitable for volume production under the terms of the Agreement.


Release contents
================

The following subsections detail:
- The component parts that are delivered as part of this release.
- Any changes since the previous release.
- Any known issues and limitations that exist at the time of this release.

Deliverables
------------
Note: Product Download Hub (PDH) delivers all product parts in a single package.

- Arm Forge, which includes:
  - Arm DDT
  - Arm MAP
  - Arm Performance Reports
- Release Notes (this document, also available at: https://developer.arm.com/tools-and-software/server-and-hpc/downloads/arm-forge/release-history)
- Documentation is available in the documentation area of your product installation or online at:
  https://developer.arm.com/documentation/101136/2021

Information about how to use the Arm HPC tools to debug, profile, and analyze many common scientific applications are available on the Arm Developer website:

https://developer.arm.com/tools-and-software/server-and-hpc/debug-and-profile/arm-forge

Further documentation about all the tools can be found online at:

https://developer.arm.com/tools-and-software/server-and-hpc/help

Documentation can change between product releases. For the latest product documentation, check the software downloads page on the Arm Developer website at:
https://developer.arm.com/tools-and-software/server-and-hpc/downloads/arm-forge

Arm tests the PDF only in Adobe Acrobat and Acrobat Reader and cannot guarantee the quality  of the represented document when used with any other PDF reader. A suitable file reader can be downloaded from Adobe at http://www.adobe.com.

Differences from previous release
---------------------------------

Differences from the previous release of Arm Forge are detailed in the following subsections.


Additions and changes
~~~~~~~~~~~~~~~~~~~~~

- Arm DDT:
Disabled Python evaluations when multiple Python threads are present, as this could cause hanging issues with Python's global interpreter lock.

- Arm MAP:
Added support for a full set of A64FX hardware counters.
Added the papi_uninstall.sh uninstall script for removing PAPI metrics.

- Arm Performance Reports:


Resolved issues
~~~~~~~~~~~~~~~

- Arm DDT:
[FOR-11678] Fixed an issue that could cause a debug session to fail when passing floating point arguments to functions on A64FX hardware.
[FOR-11851] Fixed an issue where mixed Fortran 90 and Fortran 77 relational operators were evaluated with the wrong precedence in the "Evaluate" panel.
[FOR-11641] Fixed an issue that caused Python debugging to fail for MPI programs when the Python interpreter binary included no debug information.

- Arm MAP:
[FOR-11840] Fixed a bug in GNU OpenMP support on AArch64 and ppc64le.

- Arm Performance Reports:
[FOR-11840] Fixed a bug in GNU OpenMP support on AArch64 and ppc64le.

Deprecated features
~~~~~~~~~~~~~~~~~~~

The following features are deprecated. You can still use them, but Arm plans to end support in the future:

- VisIt Visualization.
- Automatically adding breakpoints and tracepoints based on version control information.
- Support for CUDA 8.x
- Support for Python 2.x.x.
- Support for the following MPIs: SGI MPT (prior to HPE MPI), Open MPI on Cray X-series systems, Open MPI 2.x.x, Parastation MPI.
- IPMI Energy Agent
- PAPI metrics. Use Perf metrics instead.


If you rely on this functionality, please contact support-hpc-sw@arm.com.


Known limitations
-----------------

See the known issues section on the Arm Developer website:
https://developer.arm.com/documentation/101136/2021/Known-issues


Get started
===========

This section describes how to get started with accessing, setting up, and using Arm Forge.

For more information, see:
https://developer.arm.com/tools-and-software/server-and-hpc/debug-and-profile/arm-forge/resources/get-started

Licensing information
---------------------

Arm Forge requires a valid license to run.

Note: You do not need to install a license file on a machine that is running the Remote Client for connecting remotely to Arm Forge products. The license is only required on the machine on which Arm Forge is installed.

To request a license, go to:
https://store.developer.arm.com/store/high-performance-computing-hpc-tools/arm-forge

To request an evaluation license, go to:
https://pages.arm.com/Hpc-trial-request.html

For more information about Arm HPC tools licensing, see:
https://developer.arm.com/documentation/101169/2021/Using-Arm-Licence-Server.


When you have obtained a license file from Arm, download and install the appropriate platform version of the product here:

https://developer.arm.com/tools-and-software/server-and-hpc/downloads/arm-forge


See the Arm Forge User Guide for installation methods, such as using the command-line interface and using the GUI to install Arm Forge on Windows, Linux, and MAC, at:
https://developer.arm.com/documentation/101136/2021/Arm-Forge/Installation

Run the product
---------------

See the Arm Forge User Guide for information about running each of the components, Arm DDT, Arm MAP, and Arm Performance Reports:
https://developer.arm.com/documentation/101136/2021/Arm-Forge/Starting-Arm-Forge


Configure the product
---------------------

To learn how to configure the Arm Forge components, see the user guide at:
https://developer.arm.com/documentation/101136/2021/Configuration


Examples
--------

A range of example applications are provided with the product installation that you can use alongside information in the User Guide to explore Arm Forge functionality.
The example applications are located in the <install_directory>/examples directory.


Support
-------

If you have any issues with the installation, content, or use of this release, please create a ticket on https://support.developer.arm.com. Arm will respond as soon as possible.

These deliverables are being released under the terms of the agreement between Arm and each licensee (the “Agreement”). All planned verification and validation  is complete.
The release is suitable for volume production under the terms of the Agreement.

Note: Support for this release of the product is only provided by Arm to partners who have a current support and maintenance contract for the product.


Tools
-----

Full information about the supported platforms for Arm Forge are available on the Developer website:
https://developer.arm.com/documentation/101136/2021/Supported-platforms


Release history
===============

A full release history for Arm Forge is available at:
https://developer.arm.com/tools-and-software/server-and-hpc/downloads/arm-forge/release-history