Darshan 2.2.9-pre2 is now available for download. The changes since pre1 are: - bug fixes to the Cray PE 2.x environment support (thanks to testing from Yushu Yao) - --enable-shared option for darshan-util (suggested by Matthieu Dorier) We'll be doing some cross-platform testing with 2.2.9-pre2 this week to try to wrap up a final release. thanks, -Phil On 04/14/2014 04:36 PM, Carns, Philip H. wrote:

I also forgot to mention that there are some documentation updates in this release. The updated documentation is not available on the web site, but you can find it in the darshan-util/doc/ and darshan-runtime/doc/ subdirectories in the source code.

thanks, -Phil

On 04/14/2014 04:34 PM, Carns, Philip H. wrote:

...

There is a new experimental version of Darshan available for download today. It includes fixes for several bugs as well as support for versions 2.0 and newer of the Cray Programming Environment. The full change log is listed below.

Feedback is always welcome! We will do more thorough cross-platform testing before the official 2.2.9 release; please just use this version for testing and evaluation.

thanks! -Darshan team

darshan-2.2.9-pre1 ============= * Bug fixes: - Fix mnt table overflow if a large number of file systems are mounted, reported by David Shrader. - Fix argument parsing for darshan-convert, reported by Mouhamed Gueye. - Fix metadata annotation overflow in darshan-convert, reported by Mouhamed Gueye. - Fix const-correctness in dynamic library when built against MPI 3.x libraries. - Fix "undefined symbol: dlsym" error when using preloaded dynamic library on some platforms, reported by Florin Isaila. - Normalize timestamps to always be relative to MPI_Init(). - Better library name matching in compiler wrappers to handle more MPICH variations on Blue Gene systems. - Fixed header dependency problems when using darshan-logutils.h in external programs (Shane Snyder). * Enhancements: - Add support (both in documentation and in provided module files) for Cray PE 2.x. - Honor CC variable to allow darshan-util to be built with other compilers besides gcc. - Update documentation to clarify the interaction between rpath and LD_PRELOAD when instrumenting dynamic libraries, issue reported and investigated by Davide Del Vento. - Ability to disable shared-file reduction by setting the DARSHAN_DISABLE_SHARED_REDUCTION environment variable. - More thorough output from darshan-parser --perf, suggested by Huong Luu. - Increased metadata annotation room from 64 bytes to 1KiB in header. - CP_F_{FASTEST/SLOWEST}_RANK_TIME counters now take MPI-IO time into account, not just POSIX time, issue reported by Huong Luu. - Better handling of systems with many mounted file systems (after which point Darshan will assume file resides on / file system), issue reported and investigated by David Shrader: - Track up to 64 rather than 32 mounted file systems at runtime. - Increase header space available for storing mount point information in log file from approximately 1 KiB to approximately 3 KiB. - Prioritize storing information about non-NFS volumes over NFS volumes if too many file systems are mounted to record them all. - Added darshan-util pkgconfig file (Shane Snyder).

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