DAMASK_EICMD/cmake/Compiler-Intel.cmake

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###################################################################################################
# Intel Compiler
###################################################################################################
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if (CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 18.0)
message (FATAL_ERROR "Intel Compiler version: ${CMAKE_Fortran_COMPILER_VERSION} not supported")
endif ()
if (OPENMP)
set (OPENMP_FLAGS "-qopenmp -parallel")
endif ()
if (OPTIMIZATION STREQUAL "OFF" OR OPTIMIZATION STREQUAL "DEBUG")
set (OPTIMIZATION_FLAGS "-O0 -no-ip")
elseif (OPTIMIZATION STREQUAL "DEFENSIVE")
set (OPTIMIZATION_FLAGS "-O2")
elseif (OPTIMIZATION STREQUAL "AGGRESSIVE")
set (OPTIMIZATION_FLAGS "-ipo -O3 -fp-model fast=2 -xHost")
# -fast = -ipo, -O3, -no-prec-div, -static, -fp-model fast=2, and -xHost"
endif ()
# -assume std_mod_proc_name (included in -standard-semantics) causes problems if other modules
# (PETSc, HDF5) are not compiled with this option (https://software.intel.com/en-us/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/62172)
set (STANDARD_CHECK "-stand f18 -standard-semantics -assume nostd_mod_proc_name")
set (LINKER_FLAGS "${LINKER_FLAGS} -shared-intel")
# Link against shared Intel libraries instead of static ones
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#------------------------------------------------------------------------------------------------
# Fine tuning compilation options
set (COMPILE_FLAGS "${COMPILE_FLAGS} -fpp")
# preprocessor
set (COMPILE_FLAGS "${COMPILE_FLAGS} -ftz")
# flush underflow to zero, automatically set if -O[1,2,3]
set (COMPILE_FLAGS "${COMPILE_FLAGS} -diag-disable")
# disables warnings ...
set (COMPILE_FLAGS "${COMPILE_FLAGS} 5268")
# ... the text exceeds right hand column allowed on the line (we have only comments there)
set (COMPILE_FLAGS "${COMPILE_FLAGS},7624")
# ... about deprecated forall (has nice syntax and most likely a performance advantage)
set (COMPILE_FLAGS "${COMPILE_FLAGS} -warn")
# enables warnings ...
set (COMPILE_FLAGS "${COMPILE_FLAGS} declarations")
# ... any undeclared names (alternative name: -implicitnone)
set (COMPILE_FLAGS "${COMPILE_FLAGS},general")
# ... warning messages and informational messages are issued by the compiler
set (COMPILE_FLAGS "${COMPILE_FLAGS},usage")
# ... questionable programming practices
set (COMPILE_FLAGS "${COMPILE_FLAGS},interfaces")
# ... checks the interfaces of all SUBROUTINEs called and FUNCTIONs invoked in your compilation against an external set of interface blocks
set (COMPILE_FLAGS "${COMPILE_FLAGS},ignore_loc")
# ... %LOC is stripped from an actual argument
set (COMPILE_FLAGS "${COMPILE_FLAGS},alignments")
# ... data that is not naturally aligned
set (COMPILE_FLAGS "${COMPILE_FLAGS},unused")
# ... declared variables that are never used
# Additional options
# -warn: enables warnings, where
# truncated_source: Determines whether warnings occur when source exceeds the maximum column width in fixed-format files.
# (too many warnings because we have comments beyond character 132)
# uncalled: Determines whether warnings occur when a statement function is never called
# all:
# -name as_is: case sensitive Fortran!
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#------------------------------------------------------------------------------------------------
# Runtime debugging
set (DEBUG_FLAGS "${DEBUG_FLAGS} -g")
# Generate symbolic debugging information in the object file
set (DEBUG_FLAGS "${DEBUG_FLAGS} -traceback")
# Generate extra information in the object file to provide source file traceback information when a severe error occurs at run time
set (DEBUG_FLAGS "${DEBUG_FLAGS} -gen-interfaces")
# Generate an interface block for each routine. http://software.intel.com/en-us/blogs/2012/01/05/doctor-fortran-gets-explicit-again/
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fp-stack-check")
# Generate extra code after every function call to ensure that the floating-point (FP) stack is in the expected state
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fp-model strict")
# Trap uninitalized variables
set (DEBUG_FLAGS "${DEBUG_FLAGS} -check" )
# Checks at runtime ...
set (DEBUG_FLAGS "${DEBUG_FLAGS} bounds")
# ... if an array index is too small (<1) or too large!
set (DEBUG_FLAGS "${DEBUG_FLAGS},format")
# ... for the data type of an item being formatted for output.
set (DEBUG_FLAGS "${DEBUG_FLAGS},output_conversion")
# ... for the fit of data items within a designated format descriptor field.
set (DEBUG_FLAGS "${DEBUG_FLAGS},pointers")
# ... for certain disassociated or uninitialized pointers or unallocated allocatable objects.
set (DEBUG_FLAGS "${DEBUG_FLAGS},uninit")
# ... for uninitialized variables.
set (DEBUG_FLAGS "${DEBUG_FLAGS} -ftrapuv")
# ... initializes stack local variables to an unusual value to aid error detection
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fpe-all=0")
# ... capture all floating-point exceptions, sets -ftz automatically
# disable due to compiler bug https://community.intel.com/t5/Intel-Fortran-Compiler/false-positive-stand-f18-and-IEEE-SELECTED-REAL-KIND/m-p/1227336
#set (DEBUG_FLAGS "${DEBUG_FLAGS} -warn")
# enables warnings ...
#set (DEBUG_FLAGS "${DEBUG_FLAGS} errors")
# ... warnings are changed to errors
#set (DEBUG_FLAGS "${DEBUG_FLAGS},stderrors")
# ... warnings about Fortran standard violations are changed to errors
#set (DEBUG_FLAGS "${DEBUG_FLAGS} -debug-parameters all")
# generate debug information for parameters
# Disabled due to ICE when compiling phase_damage.f90 (not understandable, there is no parameter in there)
set (DEBUG_FLAGS "${DEBUG_FLAGS} -debug all")
# generate complete debugging information
# Additional options
# -heap-arrays: Should not be done for OpenMP, but set "ulimit -s unlimited" on shell. Probably it helps also to unlimit other limits
# -check: Checks at runtime, where
# arg_temp_created: will cause a lot of warnings because we create a bunch of temporary arrays (performance?)
# stack: