SuiteSparse:GraphBLAS
SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights Reserved. http://suitesparse.com See GraphBLAS/Doc/License.txt for license.
VERSION 3.3.1, June 30, 2020
SuiteSparse:GraphBLAS is an full implementation of the GraphBLAS standard, which defines a set of sparse matrix operations on an extended algebra of semirings using an almost unlimited variety of operators and types. When applied to sparse adjacency matrices, these algebraic operations are equivalent to computations on graphs. GraphBLAS provides a powerful and expressive framework for creating graph algorithms based on the elegant mathematics of sparse matrix operations on a semiring.
See the user guide in Doc/GraphBLAS_UserGuide.pdf for documentation on the
SuiteSparse implementation of GraphBLAS, and how to use it in your
applications.
See http://graphblas.org for more information on GraphBLAS, including the
GraphBLAS C API (also in Doc/GraphBLAS_API_C.pdf). See
https://github.com/GraphBLAS/GraphBLAS-Pointers
for additional resources on GraphBLAS.
QUICK START: To compile, run several demos, and install, do these commands in this directory:
make
sudo make install
Please be patient; some files can take several minutes to compile. Requires an ANSI C11 compiler, so cmake will fail if your compiler is not C11 compliant. See the User Guide PDF in Doc/ for directions on how to use another compiler.
For faster compilation, do this instead of just "make", which uses 32 parallel threads to compile the package:
make JOBS=32
The output of the demo programs will be compared with their expected output.
To remove all compiled files:
make clean
To compile the library without running the demos or installing it:
make library
See the GraphBLAS/ subfolder for the MATLAB interface, which contains a README.md file with further details.
Files and folders in this GraphBLAS directory:
CMakeLists.txt: cmake instructions to compile GraphBLAS
Config: version-dependent files used by CMake
Demo: a set of demos on how to use GraphBLAS
Doc: SuiteSparse:GraphBLAS User Guide and license
Extras: parallel methods: triangle counting, k-truss, and a massively parallel (MPI) Kronecker product matrix generator. These are stand-along package that rely on GraphBLAS. They are not compiled by the cmake script. See Extras/README.txt for more details.
GraphBLAS: the MATLAB interface. This folder is called 'GraphBLAS' so that typing 'help graphblas' or 'doc graphblas' in the MATLAB Command Window can locate the Contents.m file.
Include: user-accessible include file, GraphBLAS.h
Makefile: to compile the SuiteSparse:GraphBLAS library and demos
README.md: this file
Source: source files of the SuiteSparse:GraphBLAS library.
Tcov: test coverage, requires MATLAB
Test: Extensive tests, not meant for general usage. To compile SuiteSparse:GraphBLAS and test in MATLAB, go to this directory and type make;testall in MATLAB.
build: build directory for CMake, initially empty
alternative: an alternative to CMake; edit the alternative/Makefile and do "make" or "make run" in the 'alternative' directory.
SPEC:
This version fully conforms to the version 1.3.0 (Sept 25, 2019) of the GraphBLAS C API Specification. It includes several additional functions and features as extensions to the spec. These extensions are tagged with the keyword SPEC: in the code and in the User Guide, and in the Include/GraphBLAS.h file. All functions, objects, and macros with the prefix GxB are extensions to the spec. Functions, objects, and macros with prefix GB must not be accessed by user code. They are for internal use in GraphBLAS only.
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