[RTEMS Project] #2274: Enable libgomp build in GCC

RTEMS trac trac at rtems.org
Tue Jul 7 07:59:33 UTC 2015


#2274: Enable libgomp build in GCC
-----------------------------+------------------------------
 Reporter:  sebastian.huber  |       Owner:  sebastian.huber
     Type:  enhancement      |      Status:  accepted
 Priority:  normal           |   Milestone:  4.11.1
Component:  GCC              |     Version:  4.11
 Severity:  normal           |  Resolution:
 Keywords:                   |
-----------------------------+------------------------------

Comment (by sebastian.huber):

 The microbenchmark posted here

 https://gcc.gnu.org/ml/gcc-patches/2008-03/msg00930.html

 shows a significant overhead due to malloc/free in the team create/destroy
 path.

 [[Image(libgomp-parallel-bench-posix-malloc.png, center, 75%)]]

 The next step is to get fix this in upstream libgomp.

--
Ticket URL: <http://devel.rtems.org/ticket/2274#comment:3>
RTEMS Project <http://www.rtems.org/>
RTEMS Project


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