NGPT 2.2.0 RELEASED: TOPS LINUXTHREADS AND NPTL IN SCALABILITY AND PERFORMANCE

From: Bill Abt (babt@us.ibm.com)
Date: Fri Jan 10 2003 - 14:58:06 EST


NGPT - Next Generation POSIX Threading

NGPT Release 2.2.0, released today, 10 January 2003, is the next release
of the "Next Generation"
of Linux pthreads support. This release is fully suitable as a replacement
for LinuxThreads by either
a single user or group or an entire distribution.

In this release, the primary focus was performance. Significant
performance and scalability enhance-
ments have been made to this release making it the fastest and most
scalable POSIX compliant
threads package available on the Linux platform.
                                                                             
                                                                             
                                                                             
 In this release, performance and scalability were the key focus of NGPT
 developers.  Performance and scalability were improved to the point where
 NGPT bests both LinuxThreads and the new NPTL threading package in
 benchmarks.  No changes were made to the kernel patches and thanks to the
 NPTL effort, all changes required to run NGPT on the latest 2.5.x kernels
 are already included.
                                                                             
                                                                             
 Performance and scalability were measured using a benchmark program
 developed by Sun Microsystems to "prove" that a 1:1 threading model is
 better than the M:N threading model.  As can be seen in the benchmark
 results NGPT is the performance and scalability leader on both a 2-way and
 4-way machine running this benchmark.  The benchmark results can be found
 on the NGPT website. The benchmark itself can be downloaded from the Sun
 Microsystems site.
                                                                             
                                                                             

The NGPT website can be found at
http://www-126.ibm.com/developerworks/opensource/pthreads.

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