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szcompressor/SZ3: Error-bounded Lossy Data Compressor (for floating-point/integer datasets)

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Sign up You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert szcompressor/SZ3 SZ3: A Modular Error-bounded Lossy Compression Framework for Scientific Datasets

Major Authors: Sheng Di, Kai Zhao, Xin Liang, Jinyang Liu
Supervisor: Franck Cappello
Other Contributors: Robert Underwood, Sihuan Li, Ali M. Gok

mkdir build && cd build
cmake -DCMAKE_INSTALL_PREFIX:PATH=[INSTALL_DIR] ..
make
make install

Then, you'll find all the executables in [INSTALL_DIR]/bin and header files in [INSTALL_DIR]/include

You can use the executable 'tools/sz3/sz3' to do the compression/decompression.

Located in 'include/SZ3/api/sz.hpp'.
Requiring a modern C++ compiler.
Different with SZ2 API.

Located in 'tools/sz3c/include/sz3c.h'
Compatible with SZ2 API

Located in 'tools/pysz/pysz.py'
Test file provided ('tools/pysz/test.py')
Compatible with both SZ3 and SZ2
Requiring SZ2/3 dynamic library

Located in 'tools/H5Z-SZ3'
Please add "-DBUILD_H5Z_FILTER=ON" to enable this function for CMake.
sz3ToHDF5 and HDF5ToSz3 are provided for testing.

QOZv2 (the enhanced interpolation-based algorithm): High-performance Effective Scientific Error-bounded Lossy Compression with Auto-tuned Multi-component Interpolation.
SZ3's interpolation-based algorithm: Optimizing Error-Bounded Lossy Compression for Scientiﬁc Data by Dynamic Spline Interpolation.
The software engineering design of SZ3: SZ3: A modular framework for composing prediction-based error-bounded lossy compressors.

Version New features

SZ 3.0.0 SZ3 is the C++ version of SZ with a modular and composable design.
SZ 3.0.1 Improve the build process.
SZ 3.1.0 The default algorithm is now interpolation+Lorenzo.
SZ 3.1.1 Add OpenMP support. Works for all algorithms. Please enable it using the config file.
SZ 3.1.2 Support configuration file (INI format). An example can be found in 'tools/sz3/sz3.config'.
SZ 3.1.3 Support more error control mode: PSNR, L2Norm, ABS_AND_REL, ABS_OR_REL. Support INT32 and INT64 datatype.
SZ 3.1.4 Support running on Windows natively with Visual Studio. Please refer to #5 (comment) for details.
SZ 3.1.5 Support HDF5 by H5Z-SZ3. Please add "-DBUILD_H5Z_FILTER=ON" to enable this function for CMake.
SZ 3.1.6 Support C API and Python API.
SZ 3.1.7 Initial MDZ(https://github.com/szcompressor/SZ3/tree/master/tools/mdz) support.
SZ 3.1.8 namespace changed from SZ to SZ3. H5Z-SZ3 supports configuration files now.
SZ 3.2.0 API reconstructed for FZ. H5Z-SZ3 rewrite. Compression version checking.
SZ 3.3.0 Add key QoZ v1 and v2 features to improve compression speed and data quality. The full QoZ is available from a separate branch (https://github.com/szcompressor/SZ3/tree/QoZ).

3rd party libraries/tools

Zstandard v1.4.5 will be fetched if libzstd can not be found by pkg-config.
The source code of ska_hash is included in SZ3.

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Error-bounded Lossy Data Compressor (for floating-point/integer datasets)

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