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openmpi/opal/threads/Makefile.am
Nathan Hjelm a8c3699484 Fix performance regression caused by enabling opal thread support
This commit adds opal_using_threads() protection around the atomic
operation in OBJ_RETAIN/OBJ_RELEASE. This resolves the performance
issues seen when running psm with MPI_THREAD_SINGLE.

To avoid issues with header dependencies opal_using_threads() has been
moved to a new header (thread_usage.h). The OPAL_THREAD_ADD* and
OPAL_THREAD_CMPSET* macros have also been relocated to this header.

This commit is cherry-picked off a fix that was submitted for the v1.8
release series but never applied to master. This fixes part of the
problem reported by @nysal in #1902.

(cherry picked from commit open-mpi/ompi-release@ce91307918)

Signed-off-by: Nathan Hjelm <hjelmn@me.com>
2016-07-28 07:01:27 -06:00

40 строки
1.4 KiB
Makefile

# -*- makefile -*-
#
# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
# University Research and Technology
# Corporation. All rights reserved.
# Copyright (c) 2004-2016 The University of Tennessee and The University
# of Tennessee Research Foundation. All rights
# reserved.
# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
# University of Stuttgart. All rights reserved.
# Copyright (c) 2004-2005 The Regents of the University of California.
# All rights reserved.
# Copyright (c) 2014 Cisco Systems, Inc. All rights reserved.
# Copyright (c) 2015 Research Organization for Information Science
# and Technology (RIST). All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# This makefile.am does not stand on its own - it is included from opal/Makefile.am
# Source code files
headers += \
threads/condition.h \
threads/mutex.h \
threads/mutex_unix.h \
threads/threads.h \
threads/tsd.h \
threads/wait_sync.h \
threads/thread_usage.h
lib@OPAL_LIB_PREFIX@open_pal_la_SOURCES += \
threads/condition.c \
threads/mutex.c \
threads/thread.c \
threads/wait_sync.c