crp/OpenMC
1
0
Fork 0
mirror of https://github.com/openmc-dev/openmc.git synced 2026-07-28 06:05:58 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

added IPO/LTO to cmake build commands, to be included when optimization is enabled.

Browse source
This commit is contained in:
John Tramm 2020-01-20 16:59:01 +00:00
parent 539c68cee8
commit 494dc0382a
3 changed files with 32 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

28
CMakeLists.txt
View file

@ -69,6 +69,16 @@ if(HDF5_IS_PARALLEL)
message(STATUS "Using parallel HDF5")
endif()
#===============================================================================
# Enable interprocedural (link time) optimization if requested and supported
#===============================================================================
if (NOT (CMAKE_VERSION VERSION_LESS 3.9))
cmake_policy(SET CMP0069 NEW)
include(CheckIPOSupported)
check_ipo_supported(RESULT ipo_support_detected)
endif()
#===============================================================================
# Set compile/link flags based on which compiler is being used
#===============================================================================
@ -110,6 +120,7 @@ message(STATUS "OpenMC Linker flags: ${ldflags}")
endif()
#===============================================================================
# Update git submodules as needed
#===============================================================================
@ -205,6 +216,7 @@ target_include_directories(faddeeva
)
target_compile_options(faddeeva PRIVATE ${cxxflags})
#===============================================================================
# libopenmc
#===============================================================================
@ -313,6 +325,14 @@ endif()
set_target_properties(libopenmc PROPERTIES
OUTPUT_NAME openmc)
# Enable interprocedural (link time) optimization if requested and supported
if(optimize)
if(ipo_support_detected)
set_property(TARGET libopenmc PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
message(STATUS "LTO enabled for libopenmc")
endif()
endif()
target_include_directories(libopenmc
PUBLIC
@ -365,6 +385,14 @@ add_executable(openmc src/main.cpp)
target_compile_options(openmc PRIVATE ${cxxflags})
target_link_libraries(openmc libopenmc)
# Enable interprocedural (link time) optimization if requested and supported
if(optimize)
if(ipo_support_detected)
set_property(TARGET openmc PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
message(STATUS "LTO enabled for openmc executable")
endif()
endif()
# Ensure C++14 standard is used. Starting with CMake 3.8, another way this could
# be done is using the cxx_std_14 compiler feature.
set_target_properties(

2
examples/xml/pincell/settings.xml
View file

@ -3,7 +3,7 @@
<!-- Define how many particles to run and for how many batches -->
<run_mode>eigenvalue</run_mode>
<batches>20</batches>
<batches>100</batches>
<inactive>10</inactive>
<particles>1000</particles>

4
src/event.cpp
View file

@ -97,7 +97,9 @@ void process_calculate_xs_events(QueueItem* queue, int64_t n)
{
simulation::time_event_calculate_xs.start();
// TODO: Sort queue by particle type, material type, and energy
// TODO: If using C++17, perform a parallel sort of the queue
// by particle type, material type, and then energy, in order to
// improve cache locality and reduce thread divergence on GPU.
//std::sort(queue, queue+n);
// Save last_ members, find grid index