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MGARD-CPU

MGARD-CPU is a CPU implementation of the MGARD lossy compressor. It is built by default and used as the base implementation for MGARD-ROI and MGARD-QOI.

Building and Installing

To build and install MGARD-CPU, run the following from the root of the repository. You will need CMake and Protobuf.

$ cmake -S . -B build -D CMAKE_INSTALL_PREFIX=<location to install MGARD>
$ cmake --build build
$ cmake --install build

Documentation

To build the documentation, run cmake with -D MGARD_ENABLE_DOCS=ON. You will need Doxygen. The documentation will be installed to ${CMAKE_INSTALL_PREFIX}/share/doc/MGARD/ by default. Open index.html with a browser to read.

Benchmarks

To build the benchmarks, run cmake with -D MGARD_ENABLE_BENCHMARKS=ON. You will need Google Benchmark. You can then run the benchmarks with build/bin/benchmarks.

Including and Linking

The API consists of a header file compress.hpp providing declarations for function templates mgard::compress and mgard::decompress. See the header for documentation of these templates.

To use MGARD in your project, you will need to tell your compiler where to find the MGARD headers (by default, ${CMAKE_INSTALL_PREFIX}/include/mgard/) and library (by default, ${CMAKE_INSTALL_PREFIX}/lib/). If you're using CMake, you can call find_package(mgard) and add a dependency to the mgard::mgard imported target. See the examples directory for a basic example.

Command Line Interface

To build the command line interface, run cmake with -D MGARD_ENABLE_CLI=ON. You will need TCLAP. A convenience executable called mgard will be built and installed to ${CMAKE_INSTALL_PREFIX}/bin/ by default. You can get help with the CLI by running the following commands.

$ mgard --help
$ man mgard

This executable is an experimental part of the API.