GASNet 1.20.0 - Changelog

What's new in GASNet 1.20.0:

November 1st, 2012

· Updates, bugfixes, enhancements, and support for new platforms.

What's new in GASNet 1.14.2:

May 21st, 2010

General:
· Much improved support for heterogenous compilers (CC, CXX and MPI_CC)
· Work-around for broken MALLOC_CHECK_ support on some glibc versions
· Use MALLOC_OPTIONS variable on *BSD as we use MALLOC_CHECK_ on glibc
· Fix parsing of GASNET_{FREEZE,BACKTACE}_SIGNAL env vars

InfiniBand (vapi- and ibv-conduits):
· Fix bug 2079: stack overflow errors when vapi/ibv compiled with pgcc

Cray-XT series (portals-conduit):
· Improved reliability and scalability of job startup and termination code.
· Fixed a corner-case bug in AM Medium code
· Preliminary work to support PrgEnv-cray (requires CCE 7.2 or newer)

IBM BlueGene/P (dcmf-conduit):
· Fix bug 2756: PAR mode crashes with V1R4M0 drivers
· Fix bug 2766: performance problem with loopback AM LongAsnyc
· Fix bug 2781 and 2791: deadlocks with some uses of DCMF collectives
· Conduit-level support for PSHM (some limitations due to BG/P platform)

· Experimental Process-Shared Memory (PSHM) Support
· Shared-memory awarness added to default barrier implementations
· Shared-memory awarness added to Extended API and Collectives

Misc Platform support:
· Fix bug 2685: timers broken on variable-frequency x86_64 CPUs
· Resolve pthread link problems between Apple's and FSF's compilers
· Preliminary work to support build with Open64 compilers from AMD
· Preliminary work to support build with GCCFSS compilers from Sun

Build and configure:
· Allow client to control behavior on compiler-mismatch (eg for UPCR+GCCUPC)