New in TotalView® for HPC 2018.3

TotalView® for HPC 2018.3 includes the following primary new or updated features. For a complete change history for TotalView, MemoryScape and ReplayEngine, see the document “TotalView_for_HPC_Change_Log.pdf” in the PDF directory of your installation, or follow the link “TotalView New Features and Change Log” on the TotalView documentation page on the website.

TotalView’s new user interface is now officially supported. To change between the new UI and the TotalView Classic UI, use the Preferences dialog on the Display menu. You can launch the new UI with the -newUI switch:

For more details on the new UI, see the in-product help through the Help | Contents menu item. New features added to the NextGen user interface in this release include:

• Barrier Point Support
The ability to create Barrier Points to synchronize threads and processes has been added.

• Set Breakpoint
You can now use the Set Breakpoint menu item on a selected source line number to create a breakpoint.

• Bug fixes and improvements
Numerous bug fixes and minor improvements have been made to the new UI.

Currently, the next generation UI is supported on Linux x86 64-bit, Linux PowerLE, Linux ARM64, and Apple’s Mac OS X platforms. It supports multi-process and multi-threaded debugging as well as a level of parallel, MPI and CUDA debugging. Functionality not yet present in the UI is available through the command line interface (CLI). Please send email to tv-beta@roguewave.com with your feedback and feature priorities. We welcome all feedback and feature requests for the new user interface.

For 2018.3, TotalView provides a number of advances with its support for debugging CUDA applications:

• CUDA 9.2 and CUDA 10.0
This release provides official support of CUDA 9.2 and CUDA 10.0 as well as CUDA 8.0 and 9.0-9.2.

• Multi-GPU debugging improvements
TotalView 2018.3 improves the capabilities, reliability, and performance of debugging on advanced multi-GPU capable applications.

• New UI CUDA debugging improvements
Continued improvements to the TotalView new UI have been made to improve debugging of CUDA applications. TotalView’s 2018.3 enhancements include a new GPU navigation bar that allows for easy navigation between the Logical or Physical coordinates of the GPU, performance improvements when displaying breakpoints for GPU code, and other stability improvements.

For more information about CUDA, refer to Using the CUDA Debugger.

TotalView 2018.3 updates its OpenMPI support to version 3.1.2 and introduces support for the Cray ARM64 architecture.