Qthreads 1.9 is released!

[Wheeler, Kyle Bruce]

Hey all,

Version 1.9 is officially out!

This release is primarily to provide a working eureka operation (pre-emptively terminate an entire team of tasks and all sub-teams of that team), but also provides a large number of bug fixes, portability fixes, performance improvements, and general goodness. We've tested it against the latest Chapel svn, and it seems to work quite well. I'm including the relevant part of the NEWS file below.

Anyway, enjoy!

http://code.google.com/p/qthreads/downloads/detail?name=qthread-1.9.tar.bz2

--- 1.9 ---
New Features:
- Eurekas within a team
- Manual spawn cache flushing (qthread_flushsc())
- Preliminary Chapel SPR support
- Unified task-barrier APIs
Improvements:
- Direct context swapping in "direct-yield", used in qt_loop()
- Better Chapel integration
- Cleaned up Chapel multinode compilation
- Detect and work around Apple compiler bugs
- Qtimer OMP compatibility
- Can reset a sinc with outstanding submits
- Compatibility with older libtool versions
- Reorganized code to make it easier for new developers to understand
- Better TLS handling
- Add the ability to query more runtime state (e.g. WORKER_OCCUPATION); fleshes out Chapel support
- Add HPCCG benchmarks (both pure and via ROSE)
- Add LULESH benchmark (via ROSE)
- Better handling of MPI runtime (for multinode)
- Support for MPICC and MPICXX environment variables (for multinode)
- Better topology handling
Bugfixes:
- Fix 32-bit fastcontext (broken in 1.8.1)
- Fix handling of QT_WORKER_UNIT and QT_SHEPHERD_BOUNDARY that are caches (hwloc-only)
- Properly initialize worker information when QT_NUM_SHEPHERDS has been specified (hwloc-only)
- OMP barrier nesting improved
- Correct detection of CMPXCHG16B
- A bunch of minor bugfixes

--
Kyle B. Wheeler
Dept. 1423: Scalable System Software
Sandia National Laboratories
505-844-0394