Phylanx Report: November 2017

The third month of work focused on

• First Major Milestone Reached: Fully Functional DSL
  • Generation of Execution Tree
  • Execution of Tree Using HPX
  • Demonstrated by a working implementation of Logistic Regression
• Build system improvements
• Data type changes
• I/O primitives

Organizational activities and results

• Weekly group-meeting, minutes:
  • November 2nd
  • November 9th
  • November 30th
• Phylanx Seminar: http://phylanx.stellar-group.org/index.php/2017/11/08/phylanx-seminar-python-integration/
  • Discussion of implementation strategies for the Python front-end

Development activities and results

• Algorithms Highlighted: Logistic Regression, ALS
• Primitives Created: overall, we have now implemented 44 computational primitives (see here: https://github.com/STEllAR-GROUP/phylanx/tree/master/phylanx/execution_tree/primitives)
• Issues Created: 5
• Issues Closed: 1
• Pull Requests Created: 14
• Pull Requests Closed: 14

Code statistics

Language	No. of Files	Blank Lines	Comment Lines	Code Lines
C++	113	3407	1500	14676
C/C++ Header	87	1771	1305	7436
CMake	44	463	371	1859
Python	14	164	128	590
Perl	1	27	18	102
YAML	2	19	18	56
Markdown	1	11	0	29
Dockerfile	1	2	4	18
SUM	263	5864	3344	24766

Impact on other projects

• Addressed a major performance issue in HPX: https://github.com/STEllAR-GROUP/hpx/pull/3017