+# This source code file is part of thread_mpi.
+# Written by Sander Pronk, Erik Lindahl, and possibly others.
+#
+# Copyright (c) 2009, Sander Pronk, Erik Lindahl.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# 1) Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2) Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+# 3) Neither the name of the copyright holders nor the
+# names of its contributors may be used to endorse or promote products
+# derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY US ''AS IS'' AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL WE BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# If you want to redistribute modifications, please consider that
+# scientific software is very special. Version control is crucial -
+# bugs must be traceable. We will be happy to consider code for
+# inclusion in the official distribution, but derived work should not
+# be called official thread_mpi. Details are found in the README & COPYING
+# files.
include(CheckIncludeFiles)
include(CheckFunctionExists)
-#include(CheckCSourceCompiles)
+include(CheckCSourceCompiles)
-#option(THREAD_PTHREADS "Use posix threads" ON)
+# sets TMPI_ATOMICS to 1 if atomic operations are found, unset otherwise
+# Options:
+# include directory for thread_mpi/atomic.h
+MACRO(TMPI_TEST_ATOMICS INCDIR)
-MACRO(TEST_TMPI_ATOMICS VARIABLE)
if (NOT DEFINED TMPI_ATOMICS)
try_compile(TEST_ATOMICS "${CMAKE_BINARY_DIR}"
"${CMAKE_SOURCE_DIR}/cmake/TestAtomics.c"
- COMPILE_DEFINITIONS "-I${CMAKE_SOURCE_DIR}/include" )
-
+ COMPILE_DEFINITIONS "-I${INCDIR} -DTMPI_ATOMICS")
if (TEST_ATOMICS)
- message(STATUS "Atomics found")
- set(${VARIABLE} TRUE CACHE INTERNAL "Whether atomic operations for thread-MPI were found")
- else (TEST_ATOMICS)
- if (TEST_TMPI_ATOMICS_ONLY)
- message(WARNING "Atomic operations not found for this CPU+compiler combination. Atomic operations should work on all but the most obscure CPU+compiler combinations; if your system is not obscure -- like, for example, x86 with gcc -- please contact the developers.")
- else (TEST_TMPI_ATOMICS_ONLY)
- message(WARNING "Atomic operations not found for this
- CPU+compiler combination. Thread support will be unbearably slow: disable threads. Atomic operations should work on all but the most obscure CPU+compiler combinations; if your system is not obscure -- like, for example, x86 with gcc -- please contact the developers.")
- endif (TEST_TMPI_ATOMICS_ONLY)
- set(${VARIABLE} FALSE CACHE INTERNAL "Whether atomic operations for thread-MPI were found")
- endif(TEST_ATOMICS)
- endif(NOT DEFINED TMPI_ATOMICS)
-ENDMACRO(TEST_TMPI_ATOMICS VARIABLE)
-
-MACRO(TMPI_MAKE_CXX_LIB)
- set(TMPI_CXX_LIB 1)
-ENDMACRO(TMPI_MAKE_CXX_LIB)
-
-MACRO(TMPI_GET_SOURCE_LIST SRC_VARIABLE)
- foreach (_option IN ITEMS ${ARGN})
- if (_option STREQUAL "CXX")
- set(TMPI_CXX_LIB 1)
- elseif (_option STREQUAL "NOMPI")
- set(TMPI_NO_MPI_LIB 1)
+ message(STATUS "Atomic operations found")
+ # If the check fails, we want to be able to check again,
+ # in case the user has been able to fix this without
+ # needing to delete the cache. Thus we only cache
+ # positive results.
+ set(TMPI_ATOMICS ${TEST_ATOMICS} CACHE INTERNAL "Whether atomic operations are found")
+ set(TMPI_ATOMICS_INCDIR ${INCDIR} CACHE INTERNAL "Atomic operations check include dir")
else ()
- message(FATAL_ERROR "Unknown thread_mpi option '${_option}'")
- endif ()
- endforeach ()
- set(${SRC_VARIABLE}
- thread_mpi/errhandler.c
- thread_mpi/tmpi_malloc.c)
- if (THREAD_PTHREADS)
- list(APPEND ${SRC_VARIABLE} thread_mpi/pthreads.c)
- elseif (THREAD_WINDOWS)
- list(APPEND ${SRC_VARIABLE} thread_mpi/winthreads.c)
- endif (THREAD_PTHREADS)
- if (TMPI_CXX_LIB)
- list(APPEND ${SRC_VARIABLE} thread_mpi/system_error.cpp)
- endif (TMPI_CXX_LIB)
- if (NOT TMPI_NO_MPI_LIB)
- list(APPEND ${SRC_VARIABLE}
- thread_mpi/alltoall.c thread_mpi/p2p_protocol.c
- thread_mpi/barrier.c thread_mpi/p2p_send_recv.c
- thread_mpi/bcast.c thread_mpi/p2p_wait.c
- thread_mpi/collective.c thread_mpi/profile.c
- thread_mpi/comm.c thread_mpi/reduce.c
- thread_mpi/event.c thread_mpi/reduce_fast.c
- thread_mpi/gather.c thread_mpi/scatter.c
- thread_mpi/group.c thread_mpi/tmpi_init.c
- thread_mpi/topology.c thread_mpi/list.c
- thread_mpi/type.c thread_mpi/lock.c
- thread_mpi/numa_malloc.c thread_mpi/once.c
- thread_mpi/scan.c)
+ message(STATUS "Atomic operations not found")
+ unset(TEST_ATOMICS)
+ endif()
endif()
-ENDMACRO(TMPI_GET_SOURCE_LIST)
-test_tmpi_atomics(TMPI_ATOMICS)
+ENDMACRO(TMPI_TEST_ATOMICS VARIABLE)
+
+try_compile(HAVE_PROCESSOR_NUMBER ${CMAKE_BINARY_DIR} "${CMAKE_SOURCE_DIR}/cmake/TestWinProcNum.c")
-# do we want to only the atomics of tMPI (with GPU + MPI)
-if(NOT TEST_TMPI_ATOMICS_ONLY)
include(FindThreads)
-if (CMAKE_USE_PTHREADS_INIT)
+
+if(CMAKE_USE_WIN32_THREADS_INIT AND NOT HAVE_PROCESSOR_NUMBER)
+ message(WARNING "Incomplete Windows Processor Group API. If you want Gromacs to be able to set thread affinity, choose a Mingw distribution with a complete API (e.g. Mingw-w64).")
+endif()
+
+if (CMAKE_USE_WIN32_THREADS_INIT AND HAVE_PROCESSOR_NUMBER)
+ set(THREAD_WINDOWS 1)
+ set(THREAD_LIB)
+elseif (CMAKE_USE_PTHREADS_INIT)
check_include_files(pthread.h HAVE_PTHREAD_H)
set(THREAD_PTHREADS 1)
- #add_definitions(-DTHREAD_PTHREADS)
set(THREAD_LIB ${CMAKE_THREAD_LIBS_INIT})
-else (CMAKE_USE_PTHREADS_INIT)
- if (CMAKE_USE_WIN32_THREADS_INIT)
- set(THREAD_WINDOWS 1)
- #add_definitions(-DTHREAD_WINDOWS)
- set(THREAD_LIB)
- endif (CMAKE_USE_WIN32_THREADS_INIT)
-endif (CMAKE_USE_PTHREADS_INIT)
-
-
-# the spin-waiting option
-option(THREAD_MPI_WAIT_FOR_NO_ONE "Use busy waits without yielding to the OS scheduler. Turning this on might improve performance (very) slightly at the cost of very poor performance if the threads are competing for CPU time." OFF)
-mark_as_advanced(THREAD_MPI_WAIT_FOR_NO_ONE)
-if (THREAD_MPI_WAIT_FOR_NO_ONE)
- add_definitions(-DTMPI_WAIT_FOR_NO_ONE)
-else (THREAD_MPI_WAIT_FOR_NO_ONE)
- add_definitions()
-endif (THREAD_MPI_WAIT_FOR_NO_ONE)
-
-
-# the copy buffer option
-option(THREAD_MPI_COPY_BUFFER "Use an intermediate copy buffer for small message sizes, to allow blocking sends to return quickly." ON)
-mark_as_advanced(THREAD_MPI_COPY_BUFFER)
-if (THREAD_MPI_COPY_BUFFER)
- add_definitions()
-else (THREAD_MPI_COPY_BUFFER)
- add_definitions(-DTMPI_NO_COPY_BUFFER)
-endif (THREAD_MPI_COPY_BUFFER)
-
-
-# the profiling option
-option(THREAD_MPI_PROFILING "Turn on simple MPI profiling." OFF)
-mark_as_advanced(THREAD_MPI_PROFILING)
-if (THREAD_MPI_PROFILING)
- add_definitions(-DTMPI_PROFILE)
-else (THREAD_MPI_PROFILING)
- add_definitions()
-endif (THREAD_MPI_PROFILING)
-
-include(CheckCSourceCompiles)
+else()
+ message(FATAL_ERROR "Thread support required")
+endif ()
-# option to set affinity
-option(THREAD_MPI_SET_AFFINITY "Set thread affinity to a core if number of threads equal to number of hardware threads." ON)
-mark_as_advanced(THREAD_MPI_SET_AFFINITY)
-if (THREAD_MPI_SET_AFFINITY)
- add_definitions(-DTMPI_SET_AFFINITY)
-else (THREAD_MPI_SET_AFFINITY)
- add_definitions()
-endif (THREAD_MPI_SET_AFFINITY)
+# Turns on thread_mpi core threading functions.
+MACRO(TMPI_ENABLE_CORE INCDIR)
+ TMPI_TEST_ATOMICS(${INCDIR})
-include(CheckFunctionExists)
-if (THREAD_PTHREADS)
- set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
- # check for sched_setaffinity
- check_c_source_compiles(
- "#define _GNU_SOURCE
+# affinity checks
+ include(CheckFunctionExists)
+ if (THREAD_PTHREADS)
+ set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+ # check for sched_setaffinity
+ check_c_source_compiles(
+ "#define _GNU_SOURCE
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
-int main(void) { cpu_set_t set;
- CPU_ZERO(&set);
- CPU_SET(0, &set);
- pthread_setaffinity_np(pthread_self(), sizeof(set), &set);
- return 0;
-}"
- PTHREAD_SETAFFINITY
- )
- if (PTHREAD_SETAFFINITY)
- set(HAVE_PTHREAD_SETAFFINITY 1)
- endif (PTHREAD_SETAFFINITY)
- set(CMAKE_REQUIRED_LIBRARIES)
-endif (THREAD_PTHREADS)
+ int main(void) { cpu_set_t set;
+ CPU_ZERO(&set);
+ CPU_SET(0, &set);
+ pthread_setaffinity_np(pthread_self(), sizeof(set), &set);
+ return 0;
+ }"
+ PTHREAD_SETAFFINITY
+ )
+ if (PTHREAD_SETAFFINITY)
+ set(HAVE_PTHREAD_SETAFFINITY 1)
+ endif ()
+ set(CMAKE_REQUIRED_LIBRARIES)
+ endif ()
# this runs on POSIX systems
-check_include_files(unistd.h HAVE_UNISTD_H)
-check_include_files(sched.h HAVE_SCHED_H)
-check_include_files(sys/time.h HAVE_SYS_TIME_H)
-check_function_exists(sysconf HAVE_SYSCONF)
+ check_include_files(unistd.h HAVE_UNISTD_H)
+ check_include_files(sched.h HAVE_SCHED_H)
+ check_include_files(sys/time.h HAVE_SYS_TIME_H)
+ check_function_exists(sysconf HAVE_SYSCONF)
# this runs on windows
#check_include_files(windows.h HAVE_WINDOWS_H)
+ENDMACRO(TMPI_ENABLE_CORE)
+
+# enable C++ library build.
+MACRO(TMPI_ENABLE_CXX)
+ set(TMPI_CXX_LIB 1)
+ENDMACRO(TMPI_ENABLE_CXX)
+
+# Turns on thread_mpi MPI functions.
+MACRO(TMPI_ENABLE)
+ TMPI_TEST_ATOMICS(TMPI_ATOMICS_INCDIR)
+ if(NOT DEFINED TMPI_ATOMICS)
+ message(WARNING "Atomic operations not found for this CPU+compiler combination. Thread support will be unbearably slow: disable threads. Atomic operations should work on all but the most obscure CPU+compiler combinations; if your system is not obscure -- like, for example, x86 with gcc -- please contact the developers.")
+ endif()
+
+ set(TMPI_ENABLED 1)
+
+# the spin-waiting option
+ option(THREAD_MPI_WAIT_FOR_NO_ONE "Use busy waits without yielding to the OS scheduler. Turning this on might improve performance (very) slightly at the cost of very poor performance if the threads are competing for CPU time." OFF)
+ mark_as_advanced(THREAD_MPI_WAIT_FOR_NO_ONE)
+ if (THREAD_MPI_WAIT_FOR_NO_ONE)
+ set(TMPI_WAIT_FOR_NO_ONE 1)
+ else ()
+ set(TMPI_WAIT_FOR_NO_ONE 0)
+ endif ()
+
+# the copy buffer option
+ option(THREAD_MPI_COPY_BUFFER "Use an intermediate copy buffer for small message sizes, to allow blocking sends to return quickly. Only useful in programs with relatively uncoupled threads (infrequent MPI communication)" OFF)
+ mark_as_advanced(THREAD_MPI_COPY_BUFFER)
+ if (THREAD_MPI_COPY_BUFFER)
+ set(TMPI_COPY_BUFFER 1)
+ else ()
+ set(TMPI_COPY_BUFFER 0)
+ endif ()
+
+# the profiling option
+ option(THREAD_MPI_PROFILING "Turn on simple MPI profiling." OFF)
+ mark_as_advanced(THREAD_MPI_PROFILING)
+ if (THREAD_MPI_PROFILING)
+ set(TMPI_PROFILE 1)
+ else ()
+ set(TMPI_PROFILE 0)
+ endif ()
+
+# tmpi warnings for testing
+ option(THREAD_MPI_WARNINGS "Turn thread_mpi warnings for testing." OFF)
+ mark_as_advanced(THREAD_MPI_WARNINGS)
+ if (THREAD_MPI_WARNINGS)
+ set(TMPI_WARNINGS 1)
+ else ()
+ set(TMPI_WARNINGS 0)
+ endif ()
+
+ include(CheckCSourceCompiles)
+ENDMACRO(TMPI_ENABLE)
+
+
+MACRO(TMPI_GET_SOURCE_LIST SRC_VARIABLE SRC_ROOT)
+ set(${SRC_VARIABLE}
+ ${SRC_ROOT}/errhandler.c
+ ${SRC_ROOT}/tmpi_malloc.c
+ ${SRC_ROOT}/atomic.c
+ ${SRC_ROOT}/lock.c)
+
+ if (THREAD_PTHREADS)
+ list(APPEND ${SRC_VARIABLE} ${SRC_ROOT}/pthreads.c)
+ elseif (THREAD_WINDOWS)
+ list(APPEND ${SRC_VARIABLE} ${SRC_ROOT}/winthreads.c)
+ endif ()
+
+ if (TMPI_CXX_LIB)
+ list(APPEND ${SRC_VARIABLE} ${SRC_ROOT}/system_error.cpp)
+ endif ()
+
+ if (TMPI_ENABLED)
+ list(APPEND ${SRC_VARIABLE}
+ ${SRC_ROOT}/alltoall.c ${SRC_ROOT}/p2p_protocol.c
+ ${SRC_ROOT}/barrier.c ${SRC_ROOT}/p2p_send_recv.c
+ ${SRC_ROOT}/bcast.c ${SRC_ROOT}/p2p_wait.c
+ ${SRC_ROOT}/collective.c ${SRC_ROOT}/profile.c
+ ${SRC_ROOT}/comm.c ${SRC_ROOT}/reduce.c
+ ${SRC_ROOT}/event.c ${SRC_ROOT}/reduce_fast.c
+ ${SRC_ROOT}/gather.c ${SRC_ROOT}/scatter.c
+ ${SRC_ROOT}/group.c ${SRC_ROOT}/tmpi_init.c
+ ${SRC_ROOT}/topology.c ${SRC_ROOT}/list.c
+ ${SRC_ROOT}/type.c ${SRC_ROOT}/scan.c
+ ${SRC_ROOT}/numa_malloc.c ${SRC_ROOT}/once.c)
+ endif()
+ENDMACRO(TMPI_GET_SOURCE_LIST)
-endif(NOT TEST_TMPI_ATOMICS_ONLY)
biod.pnpi.spb.ru / alexxy / gromacs.git / blobdiff