Darshan 1.1.14 release

March 22nd, 2010


  • fixed erroneous incompatibility warning when opening old logs in darshan-parser

Darshan 1.1.14 is now available on the download page.

Darshan 1.1.13 release

March 16th, 2010


  • updated compiler scripts to fix link order in some cases with -lhdf5

Darshan 1.1.13 is now available on the download page.

Darshan 1.1.12 release

March 12th, 2010


  • improved mapping of file records to mount points
  • new page in darshan-job-summary.pl output showing timelines of file access
  • bug fix to “fast” mpif90 script
  • checkpoint/restart ability in parallel fsstats script

Darshan 1.1.12 is now available on the download page.

Darshan 1.1.11 release

March 1st, 2010


  • Bug fix for lseek, pread, and pwrite when used in 32 applications without large file support
  • Improved experimental darshan-gen-cc.pl script
  • Added new experimental darshan-gen-cxx.pl script

Darshan 1.1.11 is now available on the download page.

Darshan 1.1.10 release

February 4th, 2010


  • Bug fix for files that are accessed with stat() but never opened
  • Work around zlib problems with 64 bit offsets on 32 bit architectures

Darshan 1.1.10 is now available on the download page.

Production deployment updates

January 27th, 2010

Darshan has been successfully deployed on both the Surveyor and Intrepid BG/P systems at Argonne National Laboratory as of January 14, 2010!  This means that all newly compiled applications are using Darshan by default on those systems.

Upcoming development work will be focused on how to mine the Darshan data to learn more about how users perform I/O at leadership scale.

Darshan 1.1.9 release

January 27th, 2010


  • Added “fast” version of each BG/P compiler
  • Added experimental scripts in test directory to run fsstats in parallel
  • Kevin Harms: Added experimental utilities for loading darshan results into SQL
  • Use exclusive flag when opening output file (to protect against file name collision)
  • Rob Ross: updates to allow command line tools to build on Darwin
  • Bug fix for pnetcdf configure problem reported by Rob Latham; darshan now always pulls in MPI_Wtime() symbol at link time

Darshan 1.1.9 is now available on the download page.

Darshan 1.1.8 release

December 14th, 2009


  • Added tracking of file system type and mount point for each file
  • Added tracking of file size at open time (CP_SIZE_AT_OPEN)
  • Moved sync cost to be counted in cumulative write time rather than cumulative metadata time
  • Added sync as a separate category in darshan-job-summar.pl counters
  • Bug fix to most frequent access size table in darshan-job-summary.pl
  • Converted all utilities to use darshan-logutils api for reading output files
  • Added backwards compatibility to darshan-logutils routines
  • Kevin Harms: Added darshan-analyzer utility to summarize usage of MPI-IO, pNetCDF, HDF5, and shared files across a set of output files
  • Fixed bug field listing for darshan-diff utility

Darshan 1.1.8 is now available on the download page.

Darshan 1.1.7 release

November 13th, 2009


  • Minor fix for a compile warning

Darshan 1.1.7 is now available on the download page.

Darshan 1.1.6 release

November 10th, 2009


  • Kevin Harms: bug fix for segfault in apps that use MPI_Init_thread()

Darshan 1.1.6 is now available on the download page.