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Graph500 sequentual and shared-memory reference implementation See COPYING for the general license. Portions copyright 2010 by the Georgia Institute of Technology, and portions copyright 2009-2011 by the Trustees of Indiana University. The specification is included both in plain text format (Graph500.org, with Emacs Org mode annotations) and exported HTML (Graph500.html). Included implementations: octave/Graph500.m : GNU Octave (may be Matlab(TM) compatible) from the specification. seq-list/seq-list : Sequential list-based implementation seq-csr/seq-csr : Sequential compressed-sparse-row implementation omp-csr/omp-csr : OpenMP compressed-sparse-row implementation xmt-csr/xmt-csr : Cray XMT compressed-sparse-row implementation xmt-csr-local/xmt-csr-local : Cray XMT compressed-sparse-row implementation accumulating vertices into a small buffer before storing globally mpi/ : Several implementations using MPI BUILDING INSTRUCTIONS The Makefile includes make.inc to define compiler and flag variables. Some sample make.inc files are in the make-incs directory. The Makefile relies heavily on implicit rules and is known to work using GNU Make. To build the MPI executables, set BUILD_MPI=Yes in your make.inc, and optionally set MPICC if needed. There is a separate README file in the mpi/ directory with more information. To build the OpenMP executables, set BUILD_OPENMP=Yes in your make.inc, and define CFLAGS_OPENMP appropriately. For the XMT, ensure the correct modules are loaded and set BUILD_XMT=Yes. This disables all other builds, including the sequential versions. RUNNING INSTRUCTIONS (OTHER THAN MPI VERSIONS) Options: v : version h|? : this message R : use R-MAT from SSCA2 (default: use Kronecker generator) s : R-MAT scale (default 14) e : R-MAT edge factor (default 16) A|a : R-MAT A (default 0.57) >= 0 B|b : R-MAT B (default 0.19) >= 0 C|c : R-MAT C (default 0.19) >= 0 D|d : R-MAT D (default 0.05) >= 0 Note: Setting 3 of A,B,C,D requires the arguments to sum to at most 1. Otherwise, the parameters are added and normalized so that the sum is 1. V : Enable extra (Verbose) output o : Read the edge list from (or dump to) the named file r : Read the BFS roots from (or dump to) the named file The -o and -r options to the graph500 executable read the data from binary files that must already match in byte order. The make-edgelist executable generates these files given the same options. Outputs take the form of "key: value", with keys: SCALE edgefactor construction_time min_time firstquartile_time median_time thirdquartile_time max_time mean_time stddev_time min_nedge firstquartile_nedge median_nedge thirdquartile_nedge max_nedge mean_nedge stddev_nedge min_TEPS firstquartile_TEPS median_TEPS thirdquartile_TEPS max_TEPS harmonic_mean_TEPS harmonic_stddev_TEPS