HP-UX 11i Version 2 June 2007 Release Notes

What is New at a Glance
What is New in the Initial (October 2003) HP-UX 11i v2 Release?
Chapter 3
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— Absolute Debugger (Adb): New features include support for Lazyfp, Dual pdir,
debugging MxN threads in a process/core, debugging INIT and MCA crash
dumps, and debugging a shared library for an attached process.
— HP Kernel Debugger (KWDB): Included in HP-UX 11i v2, but not supported.
— HP Wildebeest Debugger (WDB) 4.0: Features include performance
improvements and support for Runtime Memory Checking, for
enabling/disabling threads for better DDE compatibility, for unwinding through
corrupted PC, for stack traces in Java/C/C++ programs, and enhanced support
for C++ templates. New command: dumpcore. Info threads command output has
changed.
NOTE The HP Wildebeest Debugger (WDB) has been updated since the initial release of
HP-UX 11i v2. For the most current information, visit http://www.hp.com/go/wdb.
•Dynamic Loader (dld.so) B.12.20: Changes include support for applications built
with +[no]lazyload and -B [direct|lazydirect|nodirect], lazy loading of
shared library, and direct binding.
• File Descriptor Allocation: The behavior of the file descriptor allocation changed to
prevent security problems such as unauthorized modification of root-owned files.
• GTK+ Libraries 1.2.10.2: Added; required for Netscape 7 and Mozilla. Consists of the
component libraries GLib, GDK, and GTK.
• HP aC++ Compiler: The functionality of Tools.h++ now available with the Standard
C++ runtime (-AA). Transition Links product deprecated.
• HP C Compiler: The legacy_hpc/ subdirectory no longer provided. C-Analysis-Tools
product obsoleted. The tools cb, cflow, cxref, endif, lint, protogen no longer
shipped. Transition Links product deprecated.
• HP Fortran v2.7: A new feature is binary I/O conversion. New or revised
directives/options include optimize openmp [on|off], +Oautopar (revised), +Ofast
(changed implied options), +DOosname, +O[no]rotating_fpregs,
+O[no]preserved_fpregs, and +O[no]no_return.
• HP Math Library (libm): Changes to libm, math.h, complex.h, tgmath.h, fenv.h,
cmath, and complex components, including new and changed functions. Major
performance upgrade for power functions: pow[fwlq], pown[fwlq], and
powlln[fwlq]. Switch introduced into math.h to support a strict C99 namespace.
• HP Message Passing Interface (MPI) 1.8.3: New features include additional launch
utility mpirun.all, HyperFabric/HyperMessaging Protocol (HMP) functionality,
stdio not processed by default, argument error checking turned off by default.
• HP MLIB 8.4: Major enhancement is performance tuning. Incorporates algorithmic
improvements. Several tunable parameters adjusted for improved execution
performance.
•Itanium-based Unwind Library (libunwind.so): Changes include a new set of
“Unwind Express” APIs that perform stack unwinding considerably faster, and new
header files <uwx.h> and <uwx_self.h>.