1.15-rc1

1.15 pre-release

1.14

New Features:

• Incorporate minor features requested by Chapel team
• Add experimental supports for the MPI finepoints interface in test/benchmarks/finepoints
• Added a new thread feature flag for "network tasks", allowing schedulers to treat communication tasks differently
• Added a RUNTIME_DATA_SIZE flag to qthread_readstate (Courtesy of the Chapel team)

Improvements:

• Readd the "no" topology (fix proposed by the Chapel team)
• Updated SINC implementations to use modern Qthreads APIs
• Removed deprecated ROSE support
• Removed deprecated RCRtool support

1.14

1.14. prerelease

1.13

This the 1.13 release which incorporates Eric Lee's profiling work.

1.12

New Features:

• Pluggable allocators: use --with-alloc={base,chapel} to choose
  Improvements:
• Do condwait/backoff in nemesis when getting threads to improve task spawning performance.
  Bugfixes:
• Change sleep() and nanosleep() implementation to qt_sleep() and qt_nanosleep() to avoid confusing PMI.

1.11

New Features:

• Distib scheduler: lower contention numa-aware scheduling
• Binders affinity layer: more control over affinity
• Updated Portals4 runtime support
• Added missing XMT FEB operations

1.10

New Features:

• Task queue subsystem
• Task-level barrier for SPR
• Environment option to toggle use of guard pages

Improvements:

• Fixed loop constructs to use all workers
• Unified (and simplified) internal handling of multi-threaded vs single-threaded scheduling regimes
• Removed defunct SST support, to avoid confusing people
• Removed futurelib
• Cleans up affinity subsytem interface and hwloc implementation
• Added support for Chapel launcher.
• Added configuration option to enable eureka support; marked as experimental
• Added support for improved compatibility with DUMA tool

Bugfixes:

• Fix various memory leaks associated with spawncache, sincs, preconds, timers.
• Fix SPR put/get handle bug.