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the login role on the head node yet keep the head node load to a minimum because login
sessions are not being spawned.
This configuration choice is documented in the HP XC System Software Installation Guide.
1.9 System Management and Monitoring Enhancements
System management and monitoring utilities have been enhanced as follows:
• A new resource monitoring tool, resmon, has been added. resmon is a job-centric resource
monitoring Web page initially inspired by the open-source clumon product. resmon invokes
useful commands to collect and present data in a scalable and intuitive fashion. The resmon
Web pages update automatically at a preconfigured interval (120 seconds by default).
See resmon(1) for more information.
• The HP Graph Web interface has been enhanced to include a cpu temperature graph.
To access this new graph, select temperature from the Metrics pull-down menu at the top
of the Web page.
1.10 Enhancements to the OVP
The operation verification program (OVP) performance health tests were updated to accept an
option to specify an LSF queue. In addition, you can run two performance health tests,
network_stress and network_bidirectional, on systems that are configured with standard
LSF or configured with LSF-HPC with SLURM.
1.11 Installing and Upgrading HP XC System Software On Red Hat
Enterprise Linux
The HP XC System Software Installation Guide contains two new chapters that describes the
following topics:
• Installing HP XC System Software Version 3.2 on Red Hat Enterprise Linux
• Upgrading HP XC System Software Version 3.1 on Red Hat Enterprise Linux to HP XC
System Software Version 3.2 on Red Hat Enterprise Linux
1.12 Support For HP Unified Parallel C
This release provides support for the HP Unified Parallel C (UPC) application development
environment.
HP UPC is a parallel extension of the C programming language, which runs on both common
types of multiprocessor systems: those with a common global address space (such as SMP) and
those with distributed memory. UPC provides a simple shared memory model for parallel
programming, allowing data to be shared or distributed among a number of communicating
processors. Constructs are provided in the language to permit simple declaration of shared data,
distribute shared data across threads, and synchronize access to shared data across threads. This
model promises significantly easier coding of parallel applications and maximum performance
across shared memory, distributed memory, and hybrid systems.
See the following Web page for more information about HP UPC:
http://www.hp.com/go/upc
1.9 System Management and Monitoring Enhancements 17