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OLCF User Assistance Center

Can't find the information you need below? Need advice from a real person? We're here to help.

OLCF support consultants are available to respond to your emails and phone calls from 9:00 a.m. to 5:00 p.m. EST, Monday through Friday, exclusive of holidays. Emails received outside of regular support hours will be addressed the next business day.

Data Management

See this article in context within the following user guides: Titan OLCF users have many options for data storage. Each user ...
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Batch Environment Variables

See this article in context within the following user guides: Titan PBS sets multiple environment variables at submission time. The following ...
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What is the Difference Between a PIN, a PASSCODE, and a TOKENCODE?

When users connect with RSA SecurID tokens, they are most often prompted for a PASSCODE. Sometimes, they are instead prompted ...
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autoconf

GNU Autoconf is a tool for configuring source code and makefiles.
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gptl

The General Purpose Timing Library (GPTL) is a library to instrument C, C++, and Fortran codes for performance analysis and profiling.
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mxml

Mini-XML is a small XML parsing library that you can use to read XML and XML-like data files in your application without requiring large non-standard libraries.
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sprng

SPRNG is the Scalable Parallel Pseudo Random Number Generators Library. It is a set of libraries for scalable and portable pseudorandom number generation, and has been developed keeping in mind the requirements of users involved in parallel Monte Carlo simulations.
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User Home Directories (NFS)

See this article in context within the following user guides: Titan Each user is provided a home directory to store frequently ...
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Modifying Batch Jobs

See this article in context within the following user guides: Titan The batch scheduler provides a number of utility commands for ...
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How Do I Setup or Change File Striping in Lustre?

Users can change the striping settings for files or directories in Lustre with the lfs command. If you change the ...
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