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Commit dbc6ef2d authored by Giovanni La Mura's avatar Giovanni La Mura
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Test for target offloading capability

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build/Makefile.in
+ 1
− 0
View file @ dbc6ef2d
......@@ -445,6 +445,7 @@ NMEDIT = @NMEDIT@
NVTXFLAGS = @NVTXFLAGS@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OFFLOADFLAGS = @OFFLOADFLAGS@
OMPFLAGS = @OMPFLAGS@
OTOOL = @OTOOL@
OTOOL64 = @OTOOL64@
......
build/configure
+ 106
− 3
View file @ dbc6ef2d
......@@ -664,6 +664,7 @@ MAGMAFLAGS
LAPACKLDFLAGS
LAPACKFLAGS
OMPFLAGS
OFFLOADFLAGS
HDF5_LDFLAGS
HDF5_LIB
HDF5_INCLUDE
......@@ -810,6 +811,7 @@ with_aix_soname
with_gnu_ld
with_sysroot
enable_libtool_lock
enable_offload
enable_openmp
with_lapack
with_magma
......@@ -1472,6 +1474,8 @@ Optional Features:
--enable-fast-install[=PKGS]
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
--enable-offload enable target offloading (requires g++ version >=
13) [default=auto]
--enable-openmp enable OpneMP multi-threading [default=yes]
--enable-nvtx use NVTX profiling [default=no]
 
......@@ -24883,18 +24887,117 @@ esac
fi
 
# Configure the optional features
# Check whether --enable-offload was given.
if test ${enable_offload+y}
then :
enableval=$enable_offload;
if test "x$enableval" != "xno"; then
cat > np_test_offload.cpp <<EOF
#include <omp.h>
#pragma omp requires unified_shared_memory
#pragma omp begin declare target device_type(any)
void fill_with_ones(int *array) {
#pragma omp target teams distribute parallel for
for (int i = 0; i < 1000; i++) {
for (int j = 0; j < 1000; j++) {
array[(1000 * i) + j] = 1;
}
}
}
#pragma omp end declare target
int main(int argc, char** argv) {
int *numbers = new int[1000000]();
fill_with_ones(numbers);
delete[] numbers;
return 0;
}
EOF
$CXX -fcf-protection=check -foffload=default -foffload=nvptx-none="-O3 -ggdb -fopt-info -lm -latomic -mgomp" -fopenmp -c np_test_offload.cpp > /dev/null #2>&1
export CXX_SUPPORTS_OFFLOAD=$?
rm np_test_offload.cpp
if test "x$CXX_SUPPORTS_OFFLOAD" = "x0"; then
rm np_test_offload.o
fi
if test "x$CXX_SUPPORTS_OFFLOAD" = "x0"; then
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Enabling offload." >&5
printf "%s\n" "$as_me: Enabling offload." >&6;}
OFFLOADFLAGS="-fcf-protection=check -foffload=default -foffload=nvptx-none=\"-O3 -ggdb -fopt-info -lm -latomic -mgomp\" -fopenmp"
else
as_fn_error $? "Target offload was requested, but it is not supported!" "$LINENO" 5
fi
else
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Disabling offload." >&5
printf "%s\n" "$as_me: Disabling offload." >&6;}
OFFLOADFLAGS=""
fi
else case e in #(
e)
cat > np_test_offload.cpp <<EOF
#include <omp.h>
#pragma omp requires unified_shared_memory
#pragma omp begin declare target device_type(any)
void fill_with_ones(int *array) {
#pragma omp target teams distribute parallel for
for (int i = 0; i < 1000; i++) {
for (int j = 0; j < 1000; j++) {
array[(1000 * i) + j] = 1;
}
}
}
#pragma omp end declare target
int main(int argc, char** argv) {
int *numbers = new int[1000000]();
fill_with_ones(numbers);
delete[] numbers;
return 0;
}
EOF
$CXX -fcf-protection=check -foffload=default -foffload=nvptx-none="-O3 -ggdb -fopt-info -lm -latomic -mgomp" -fopenmp -c np_test_offload.cpp > /dev/null #2>&1
export CXX_SUPPORTS_OFFLOAD=$?
rm np_test_offload.cpp
if test "x$CXX_SUPPORTS_OFFLOAD" = "x0"; then
rm np_test_offload.o
fi
if test "x$CXX_SUPPORTS_OFFLOAD" = "x0"; then
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Enabling offload." >&5
printf "%s\n" "$as_me: Enabling offload." >&6;}
OFFLOADFLAGS="-fcf-protection=check -foffload=default -foffload=nvptx-none=\"-O3 -ggdb -fopt-info -lm -latomic -mgomp\" -fopenmp"
else
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Disabling offload." >&5
printf "%s\n" "$as_me: Disabling offload." >&6;}
OFFLOADFLAGS=""
fi
;;
esac
fi
# Check whether --enable-openmp was given.
if test ${enable_openmp+y}
then :
enableval=$enable_openmp;
if test "x$enableval" != "xno"; then
OMPFLAGS="-fopenmp"
OMPFLAGS="-DUSE_OPENMP -fopenmp"
 
fi
 
else case e in #(
e)
OMPFLAGS="-fopenmp"
OMPFLAGS="-DUSE_OPENMP -fopenmp"
 
 
;;
......@@ -25175,7 +25278,7 @@ esac
fi
 
 
CXXFLAGS="$CLANGFLAGS -O3 -ggdb $USER_INCLUDE -I$HDF5_INCLUDE $OMPFLAGS $MPIFLAGS $LAPACKFLAGS $MAGMAFLAGS $NVTXFLAGS"
CXXFLAGS="$CLANGFLAGS -O3 -ggdb $OFFLOADFLAGS $USER_INCLUDE -I$HDF5_INCLUDE $OMPFLAGS $MPIFLAGS $LAPACKFLAGS $MAGMAFLAGS $NVTXFLAGS"
SUBDIRS="cluster libnptm sphere testing trapping"
 
# Generate the output
......
build/configure.ac
+ 65
− 3
View file @ dbc6ef2d
......@@ -93,6 +93,39 @@ EOF
fi
]
)
m4_define(
[M4_TEST_OFFLOAD],
[
cat > np_test_offload.cpp <<EOF
#include <omp.h>
#pragma omp requires unified_shared_memory
#pragma omp begin declare target device_type(any)
void fill_with_ones(int *array) {
#pragma omp target teams distribute parallel for
for (int i = 0; i < 1000; i++) {
for (int j = 0; j < 1000; j++) {
array[[(1000 * i) + j]] = 1;
}
}
}
#pragma omp end declare target
int main(int argc, char** argv) {
int *numbers = new int[[1000000]]();
fill_with_ones(numbers);
delete[[]] numbers;
return 0;
}
EOF
$CXX -fcf-protection=check -foffload=default -foffload=nvptx-none="-O3 -ggdb -fopt-info -lm -latomic -mgomp" -fopenmp -c np_test_offload.cpp > /dev/null #2>&1
export CXX_SUPPORTS_OFFLOAD=$?
rm np_test_offload.cpp
if test "x$CXX_SUPPORTS_OFFLOAD" = "x0"; then
rm np_test_offload.o
fi
]
)
# END CAPABILITY TESTING MACROS
# autoconf setup initialization
......@@ -219,16 +252,45 @@ AS_IF(
)
# Configure the optional features
AC_ARG_ENABLE(
[offload],
[AS_HELP_STRING([--enable-offload], [enable target offloading (requires g++ version >= 13) [default=auto]])],
[
if test "x$enableval" != "xno"; then
M4_TEST_OFFLOAD
if test "x$CXX_SUPPORTS_OFFLOAD" = "x0"; then
AC_MSG_NOTICE([Enabling offload.])
AC_SUBST([OFFLOADFLAGS], ["-fcf-protection=check -foffload=default -foffload=nvptx-none=\"-O3 -ggdb -fopt-info -lm -latomic -mgomp\" -fopenmp"])
else
AC_MSG_ERROR([Target offload was requested, but it is not supported!])
fi
else
AC_MSG_NOTICE([Disabling offload.])
AC_SUBST([OFFLOADFLAGS], [""])
fi
],
[
M4_TEST_OFFLOAD
if test "x$CXX_SUPPORTS_OFFLOAD" = "x0"; then
AC_MSG_NOTICE([Enabling offload.])
AC_SUBST([OFFLOADFLAGS], ["-fcf-protection=check -foffload=default -foffload=nvptx-none=\"-O3 -ggdb -fopt-info -lm -latomic -mgomp\" -fopenmp"])
else
AC_MSG_NOTICE([Disabling offload.])
AC_SUBST([OFFLOADFLAGS], [""])
fi
]
)
AC_ARG_ENABLE(
[openmp],
[AS_HELP_STRING([--enable-openmp], [enable OpneMP multi-threading [default=yes]])],
[
if test "x$enableval" != "xno"; then
AC_SUBST([OMPFLAGS], ["-fopenmp"])
AC_SUBST([OMPFLAGS], ["-DUSE_OPENMP -fopenmp"])
fi
],
[
AC_SUBST([OMPFLAGS], ["-fopenmp"])
AC_SUBST([OMPFLAGS], ["-DUSE_OPENMP -fopenmp"])
]
)
......@@ -346,7 +408,7 @@ AC_ARG_WITH(
]
)
CXXFLAGS="$CLANGFLAGS -O3 -ggdb $USER_INCLUDE -I$HDF5_INCLUDE $OMPFLAGS $MPIFLAGS $LAPACKFLAGS $MAGMAFLAGS $NVTXFLAGS"
CXXFLAGS="$CLANGFLAGS -O3 -ggdb $OFFLOADFLAGS $USER_INCLUDE -I$HDF5_INCLUDE $OMPFLAGS $MPIFLAGS $LAPACKFLAGS $MAGMAFLAGS $NVTXFLAGS"
SUBDIRS="cluster libnptm sphere testing trapping"
# Generate the output
......
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