| commit | 7dc58959557f975e09411341d822990fe7ceab9a | [log] [tgz] |
|---|---|---|
| author | baunsgaard <baunsgaard@tugraz.at> | Thu Aug 06 21:38:45 2020 +0200 |
| committer | Matthias Boehm <mboehm7@gmail.com> | Thu Aug 06 22:31:48 2020 +0200 |
| tree | e8a1647a39ef29af59b803a6f41db58c804d3da5 | |
| parent | 76fbe254a11f62828d248da6dbf78194cb8d595e [diff] |
[SYSTEMDS-2571] Handle naStrings in csv frame read and meta data - add new test for naStrings argument and change Beginning to change Data Expression to handle this. - List Variable passed to Nary - add Nary List test for printing lists in DML - Improve error message in StatementBlock to reflect that frames or tensors also can be used in a print statement - only warnings in log4j - enable nan finding - removed debugging output - fix RandSP Instruction - add nan test files to github - List now can contain any type in any position - time test fix missing option of zero argument parsing of function - Fix DML Translator (bug introduced in last commit) to assign first expr - Nan values in frames - Read NAStrings from mtd file Closes #990.
Overview: SystemDS is a versatile system for the end-to-end data science lifecycle from data integration, cleaning, and feature engineering, over efficient, local and distributed ML model training, to deployment and serving. To this end, we aim to provide a stack of declarative languages with R-like syntax for (1) the different tasks of the data-science lifecycle, and (2) users with different expertise. These high-level scripts are compiled into hybrid execution plans of local, in-memory CPU and GPU operations, as well as distributed operations on Apache Spark. In contrast to existing systems - that either provide homogeneous tensors or 2D Datasets - and in order to serve the entire data science lifecycle, the underlying data model are DataTensors, i.e., tensors (multi-dimensional arrays) whose first dimension may have a heterogeneous and nested schema.
Quick Start Install, Quick Start and Hello World
Documentation: SystemDS Documentation
Python Documentation Python SystemDS Documentation
Issue Tracker Jira Dashboard
Status and Build: SystemDS is still in pre-alpha status. The original code base was forked from Apache SystemML 1.2 in September 2018. We will continue to support linear algebra programs over matrices, while replacing the underlying data model and compiler, as well as substantially extending the supported functionalities. Until the first release, you can build your own snapshot via Apache Maven: mvn clean package -P distribution.
