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SWIFT
SWIFTsim
Commits
dcd8685c
Commit
dcd8685c
authored
Oct 30, 2017
by
Matthieu Schaller
Browse files
Be more verbose about using homemeade barriers.
parent
840de9bb
Changes
5
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Inline
Side-by-side
configure.ac
View file @
dcd8685c
...
...
@@ -380,9 +380,13 @@ AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
non-standard location.]))
# Check whether POSIX thread barriers are implemented (e.g. OSX does not have them)
have_pthread_barrier="no"
AC_CHECK_LIB(pthread, pthread_barrier_init,
AC_DEFINE([HAVE_PTHREAD_BARRIERS], [1], [The posix library implements
barrier
s])
,
have_pthread_
barrier
="yes"
,
AC_MSG_WARN(POSIX implementation does not have barriers. SWIFT will use home-made ones.))
if test "x$have_pthread_barrier" == "xyes"; then
AC_DEFINE([HAVE_PTHREAD_BARRIERS], [1], [The posix library implements barriers])
fi
# Check whether POSIX file allocation functions exist (e.g. OSX does not have them)
AC_CHECK_LIB(pthread, posix_fallocate,
...
...
@@ -914,19 +918,20 @@ AC_MSG_RESULT([
$PACKAGE_NAME v.$PACKAGE_VERSION
Compiler : $CC
- vendor : $ax_cv_c_compiler_vendor
- version : $ax_cv_c_compiler_version
- flags : $CFLAGS
MPI enabled : $enable_mpi
HDF5 enabled : $with_hdf5
- parallel : $have_parallel_hdf5
Metis enabled : $have_metis
FFTW3 enabled : $have_fftw3
libNUMA enabled : $have_numa
Using tcmalloc : $have_tcmalloc
Using jemalloc : $have_jemalloc
CPU profiler : $have_profiler
Compiler : $CC
- vendor : $ax_cv_c_compiler_vendor
- version : $ax_cv_c_compiler_version
- flags : $CFLAGS
MPI enabled : $enable_mpi
HDF5 enabled : $with_hdf5
- parallel : $have_parallel_hdf5
Metis enabled : $have_metis
FFTW3 enabled : $have_fftw3
libNUMA enabled : $have_numa
Using tcmalloc : $have_tcmalloc
Using jemalloc : $have_jemalloc
CPU profiler : $have_profiler
Pthread barriers : $have_pthread_barrier
Hydro scheme : $with_hydro
Dimensionality : $with_dimension
...
...
examples/main.c
View file @
dcd8685c
...
...
@@ -390,6 +390,13 @@ int main(int argc, char *argv[]) {
message
(
"WARNING: Floating point exceptions will be reported."
);
}
/* Do we have slow barriers? */
#ifdef HAVE_PTHREAD_BARRIERS
if
(
myrank
==
0
)
message
(
"WARNING: Slow homemade thread barriers in use. Code will be slower."
);
#endif
/* How large are the parts? */
if
(
myrank
==
0
)
{
message
(
"sizeof(part) is %4zi bytes."
,
sizeof
(
struct
part
));
...
...
src/common_io.c
View file @
dcd8685c
...
...
@@ -386,6 +386,7 @@ void io_write_code_description(hid_t h_file) {
configuration_options
());
io_write_attribute_s
(
h_grpcode
,
"CFLAGS"
,
compilation_cflags
());
io_write_attribute_s
(
h_grpcode
,
"HDF5 library version"
,
hdf5_version
());
io_write_attribute_s
(
h_grpcode
,
"Thread barriers"
,
thread_barrier_version
());
#ifdef HAVE_FFTW
io_write_attribute_s
(
h_grpcode
,
"FFTW library version"
,
fftw3_version
());
#endif
...
...
src/version.c
View file @
dcd8685c
...
...
@@ -332,6 +332,22 @@ const char *fftw3_version(void) {
return
version
;
}
/**
* @brief return the thread barrier used in SWIFT.
*
* @result description of the thread barriers
*/
const
char
*
thread_barrier_version
(
void
)
{
static
char
version
[
256
]
=
{
0
};
#if defined(HAVE_PTHREAD_BARRIERS)
sprintf
(
version
,
"%s"
,
"pthread"
);
#else
sprintf
(
version
,
"homemade"
);
#endif
return
version
;
}
/**
* @brief Prints a greeting message to the standard output containing code
* version and revision number
...
...
src/version.h
View file @
dcd8685c
...
...
@@ -34,6 +34,7 @@ const char* mpi_version(void);
const
char
*
metis_version
(
void
);
const
char
*
hdf5_version
(
void
);
const
char
*
fftw3_version
(
void
);
const
char
*
thread_barrier_version
(
void
);
void
greetings
(
void
);
#endif
/* SWIFT_VERSION_H */
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