include(CheckFunctionExists)
include(CheckCSourceCompiles)
-# sets TMPI_ATOMICS to 1 if atomic operations are found, 0 otherwise
-MACRO(TMPI_TEST_ATOMICS)
+# 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)
+
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 "Atomic operations found")
- else (TEST_ATOMICS)
+ # 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(STATUS "Atomic operations not found")
- endif(TEST_ATOMICS)
- set(TMPI_ATOMICS ${TEST_ATOMICS} CACHE INTERNAL "Whether atomic operations are found")
- endif(NOT DEFINED TMPI_ATOMICS)
+ unset(TEST_ATOMICS)
+ endif()
+ endif()
+
ENDMACRO(TMPI_TEST_ATOMICS VARIABLE)
-TMPI_TEST_ATOMICS()
+try_compile(HAVE_PROCESSOR_NUMBER ${CMAKE_BINARY_DIR} "${CMAKE_SOURCE_DIR}/cmake/TestWinProcNum.c")
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)
set(THREAD_LIB ${CMAKE_THREAD_LIBS_INIT})
-elseif (CMAKE_USE_WIN32_THREADS_INIT)
- set(THREAD_WINDOWS 1)
- set(THREAD_LIB)
-else ()
+else()
message(FATAL_ERROR "Thread support required")
-endif (CMAKE_USE_PTHREADS_INIT)
+endif ()
+
+# Turns on thread_mpi core threading functions.
+MACRO(TMPI_ENABLE_CORE INCDIR)
+ TMPI_TEST_ATOMICS(${INCDIR})
-# Turns on thread_mpi.
-# options are:
-# CXX: enable C++ library build.
+# 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 ()
+ 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)
+# 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)
- # first check whether threads and atomics are available.
- if(NOT TMPI_ATOMICS)
- # check again, to allow the user to fix this.
- unset(TMPI_ATOMICS CACHE)
- TMPI_TEST_ATOMICS()
- endif(NOT TMPI_ATOMICS)
- if(NOT TMPI_ATOMICS)
+ 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(NOT TMPI_ATOMICS)
+ endif()
set(TMPI_ENABLED 1)
- foreach (_option IN ITEMS ${ARGN})
- if (_option STREQUAL "CXX")
- set(TMPI_CXX_LIB 1)
- #elseif (_option STREQUAL "NOMPI")
- # set(TMPI_NO_MPI_LIB 1)
- else ()
- message(FATAL_ERROR "Unknown thread_mpi option '${_option}'")
- endif ()
- endforeach ()
-
- #tmpi_test_atomics(TMPI_ATOMICS)
# 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 (THREAD_MPI_WAIT_FOR_NO_ONE)
+ else ()
set(TMPI_WAIT_FOR_NO_ONE 0)
- endif (THREAD_MPI_WAIT_FOR_NO_ONE)
+ 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 (THREAD_MPI_COPY_BUFFER)
+ else ()
set(TMPI_COPY_BUFFER 0)
- endif (THREAD_MPI_COPY_BUFFER)
+ 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 (THREAD_MPI_PROFILING)
+ else ()
set(TMPI_PROFILE 0)
- endif (THREAD_MPI_PROFILING)
+ 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 (THREAD_MPI_WARNINGS)
+ else ()
set(TMPI_WARNINGS 0)
- endif (THREAD_MPI_WARNINGS)
+ endif ()
include(CheckCSourceCompiles)
-
-# affinity checks
- include(CheckFunctionExists)
- if (THREAD_PTHREADS)
- set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
- # check for sched_setaffinity
- check_c_source_compiles(
- "#define _GNU_SOURCE
-#include <pthread.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
- int main(void) { cpu_set_t set;
- CPU_ZERO(&set);
- CPU_SET(0, &set);
- pthread_setaffinity_np(pthread_self(), sizeof(set), &set);
- return 0;
- }"
- PTHREAD_SETAFFINITY
- )
- if (PTHREAD_SETAFFINITY)
- set(HAVE_PTHREAD_SETAFFINITY 1)
- endif (PTHREAD_SETAFFINITY)
- set(CMAKE_REQUIRED_LIBRARIES)
- endif (THREAD_PTHREADS)
-
-
-# this runs on POSIX systems
- check_include_files(unistd.h HAVE_UNISTD_H)
- check_include_files(sched.h HAVE_SCHED_H)
- check_include_files(sys/time.h HAVE_SYS_TIME_H)
- check_function_exists(sysconf HAVE_SYSCONF)
-# this runs on windows
-#check_include_files(windows.h HAVE_WINDOWS_H)
ENDMACRO(TMPI_ENABLE)
-MACRO(TMPI_GET_SOURCE_LIST SRC_VARIABLE)
+
+MACRO(TMPI_GET_SOURCE_LIST SRC_VARIABLE SRC_ROOT)
set(${SRC_VARIABLE}
- thread_mpi/errhandler.c
- thread_mpi/tmpi_malloc.c
- thread_mpi/atomic.c)
+ ${SRC_ROOT}/errhandler.c
+ ${SRC_ROOT}/tmpi_malloc.c
+ ${SRC_ROOT}/atomic.c
+ ${SRC_ROOT}/lock.c)
+
if (THREAD_PTHREADS)
- list(APPEND ${SRC_VARIABLE} thread_mpi/pthreads.c)
+ list(APPEND ${SRC_VARIABLE} ${SRC_ROOT}/pthreads.c)
elseif (THREAD_WINDOWS)
- list(APPEND ${SRC_VARIABLE} thread_mpi/winthreads.c)
- endif (THREAD_PTHREADS)
+ list(APPEND ${SRC_VARIABLE} ${SRC_ROOT}/winthreads.c)
+ endif ()
+
if (TMPI_CXX_LIB)
- list(APPEND ${SRC_VARIABLE} thread_mpi/system_error.cpp)
- endif (TMPI_CXX_LIB)
+ list(APPEND ${SRC_VARIABLE} ${SRC_ROOT}/system_error.cpp)
+ endif ()
+
if (TMPI_ENABLED)
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)
+ ${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)
biod.pnpi.spb.ru / alexxy / gromacs.git / blobdiff