Phylanx Report: January 2020

The twenty-nineth month of work focused on work in the following areas:

• Fixing build system and contiguous integration issues
• Improving JetLag code and working on Pearc20 paper
  • stop job feature, the ability to grant/revoke permissions for users to run a JetLag app (Running Phylanx is a JetLag app) and bug fixes
• Fixed APEX various bugs related to profile output
  • Fixed performance issue related to lock contention in APEX
  • Reported, resolved Phylanx nightly build errors
  • Developed POWER9 build tests to be deployed in Feb 2020
  • Investigating distributed trace output bugs
• Traveler tools:
  • Alterations to Traveler-Integrated backend for Jetlag pipeline
  • Context menu support in Traveler-Integrated as guided by UI prototypes
  • Support for /proc/meminfo and related timelines from APEX data collection
• Working on Scop detection and openScop specification and implementation of the algorithm from the program structure tree paper

Organizational Activities and Results

• Weekly group-meeting, minutes:
  • January 8^th, January 21^st, Januar 28^th: https://drive.google.com/drive/folders/0B-L3qi_kGiCLN0NRaHZDU3d4Q1k

Repository Activity January 1st – January 31st:

Development Activities and Results

• Algorithms Highlighted: Logistic Regression, ALS, K-Means
• General
• APEX
• Traveler
• Tiling
• Primitives & Algorithms
• Python

Repository Activity December 1st – December 31st:

Impact on Other Projects

• Vcpkg:
  • Pull request: Updating HPX to V1.4 (#9773)
• Blaze Tickets:
  • Issue: Random number distributions (#158)
  • Issue: Name conflict with preprocessor macro (#315)
• HighFive ticket:
  • Pull Request: Rework dependencies to be dynamic, i.e. can be overridden when using from install (+ fix when they’s targets) (#205)
• HPX Pull Requests:
  • Pull request: Fix launch process test with APEX enabled (#4341)
  • Pull request: Undefine VT1 and VT2 after boost includes (#4322)
  • Pull request: Checks for MPI_Init being called twice (#4300)
  • Pull request: Fixing collectives locking problem (#4296)
  • Pull request: Fixing problem if 128 bit atomics are not available (#4289)
• Blaze Tensor:
  • Pull request: Adapting to AlignmentFlag changes in blaze (#57)