Knowledge Base
What is this CrayDoc Knowledge Base?
The CrayDoc Knowledge Base contains supplemental documentation. These documents are published between software release cycles and help explain new features and techniques for getting better functionality from your Cray system.
The CrayDoc Knowledge Base also contains legacy documentation. Always consult the latest version of documentation for your site-specific configuration and ask your Cray Customer Service representative for additional guidance on the latest software documents.
Oct 2010
- Using the Cray XMT for all streams Pragmas (Oct 2010)
Describes the Cray XMT for all streams pragma directives.
Jul 2010
- Limiting Loop Parallelism in Cray XMT Applications (Jul 2010)
Describes to Cray XMT system users how to limit the amount of parallelism in loop structures. Two new pragmas are introduced. - Running Cray XMT Apprentice2 in System Mode (Jul 2010)
Describes the --system option for Cray XMT Apprentice2, which allows users to display traps and annotations that occur inside system libraries. - Using the Cray Gemini Hardware Counters (Jul 2010)
Describes the Gemini Performance Counters and how to use them to optimize both individual applications and system traffic. - Using the Cray XMT Snapshot Library (Jul 2010)
The Cray XMT snapshot library provides a high speed bulk data transfer facility that moves data between memory regions within an MTK application and files hosted on the XMT Linux service partition.
Apr 2010
- Creating a Cray System Management Workstation (SMW) Bootable Backup Drive (Apr 2010)
Describes how to 1) create a Cray System Management Workstation (SMW) bootable back-up drive to replace the primary drive if the primary drive fails; 2) modify a bootable back-up drive in order to boot from and run the SMW from the back-up root partition; and 3) execute an emergency procedure for SMW recovery.
Dec 2009
- Optimizing Loop-Level Parallelism in Cray XMT Applications (Dec 2009)
Provides guidance and techniques for improving parallelization for Cray XMT programs.
Nov 2009
- Comparing Binaries Between Cray Linux Environment (CLE) Systems, Standalone Whiteboxes, and ESLogin Nodes (Nov 2009)
Documents known sources of differences between binaries and how to detect and avoid them. - Creating a Cray System Management Workstation (SMW) Bootable Backup Drive (Nov 2009)
Describes how to 1) create a Cray System Management Workstation (SMW) bootable back-up drive to replace the primary drive if the primary drive fails; 2) modify a bootable back-up drive in order to boot from and run the SMW from the back-up root partition; and 3) execute an emergency procedure for SMW recovery. - Upgrading the SMW Software from SLES 10 SP1 to SLES 10 SP3 Base Operating System (Nov 2009)
Provides the procedures to upgrade the Cray System Management Workstation (SMW) SUSE Linux Enterprise Server 10 Service Pack 1 (SLES 10 SP1) base operating system to the SLES 10 Service Pack 3 (SLES 10 SP3) base operating system.
Jul 2009
- Cray XR1 User and Administration Guide (Jul 2009)
Subject matter is about Cray XR1 blade hardware, and special instructions for developing and running programs on these blades.
Jun 2009
- Optimizing MPI-IO for Applications on Cray XT Systems (Jun 2009)
Describes processes and techniques for optimizing MPI-IO applications on Cray XT systems.
Feb 2008
- Cray DVS Installation and Configuration (Feb 2008)
Provides instructions for installing and configuring the Cray Data Virtualization Service (Cray DVS) on Cray XT systems running UNICOS/lc 2.0. Updated versions of this manual are listed with CLE releases.