171 lines
5.1 KiB
Makefile
171 lines
5.1 KiB
Makefile
# Copyright (c) 2010-2025, Lawrence Livermore National Security, LLC. Produced
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# at the Lawrence Livermore National Laboratory. All Rights reserved. See files
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# LICENSE and NOTICE for details. LLNL-CODE-806117.
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#
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# This file is part of the MFEM library. For more information and source code
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# availability visit https://mfem.org.
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#
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# MFEM is free software; you can redistribute it and/or modify it under the
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# terms of the BSD-3 license. We welcome feedback and contributions, see file
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# CONTRIBUTING.md for details.
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# Use the MFEM build directory
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MFEM_DIR ?= ../..
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MFEM_BUILD_DIR ?= ../..
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MFEM_INSTALL_DIR ?= ../../mfem
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SRC = $(if $(MFEM_DIR:../..=),$(MFEM_DIR)/miniapps/performance/,)
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CONFIG_MK = $(or $(wildcard $(MFEM_BUILD_DIR)/config/config.mk),\
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$(wildcard $(MFEM_INSTALL_DIR)/share/mfem/config.mk))
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MFEM_LIB_FILE = mfem_is_not_built
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-include $(CONFIG_MK)
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# Distinguish x86 from PowerPC systems
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MFEM_MACHINE ?= $(shell uname -m)
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# Choose the switch MFEM_PERF_SW: gcc_x86_64, gcc_ppc64, clang, etc.
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# The value of MFEM_PERF_SW is used to select MFEM_PERF_CXXFLAGS below.
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define cxx_detect
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cxx_v="$$($(MFEM_HOST_CXX) --version -c 2>&1)";
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if [ 0 -ne $$? ]; then
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cxx_id="unknown";
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elif [ -z "$${cxx_v##g++*}" ]; then
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cxx_id="gcc";
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elif [ -z "$${cxx_v##*clang version*}" -o -z "$${cxx_v##*LLVM version*}" ]; then
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cxx_id="clang";
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elif [ -z "$${cxx_v##*icpc*}" ]; then
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cxx_id="icc";
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elif [ -z "$${cxx_v##*IBM XL*}" ]; then
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cxx_id="xlc";
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elif [ -z "$${cxx_v##*pgc++*}" ]; then
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cxx_id="pgi";
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else
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cxx_id="unknown";
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fi;
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printf "%s" "$$cxx_id"
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endef
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define DETECT_PERF_CXXFLAGS
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ifneq (,$$(MFEM_HOST_CXX))
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MFEM_PERF_SW := $$(shell $$(cxx_detect))
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$$(info Detected host compiler: $$(MFEM_PERF_SW))
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ifeq (unknown,$$(MFEM_PERF_SW))
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$$(info -------------------------------------------)
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$$(info Output from '$$(MFEM_HOST_CXX) --version -c')
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$$(info -------------------------------------------)
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$$(shell $$(MFEM_HOST_CXX) --version -c 1>&2)
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$$(info -------------------------------------------)
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endif
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endif
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ifeq (gcc,$$(MFEM_PERF_SW))
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ifeq ($$(MFEM_MACHINE),x86_64)
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MFEM_PERF_SW = gcc_x86_64
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else ifneq (,$$(findstring ppc,$$(MFEM_MACHINE)))
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MFEM_PERF_SW = gcc_ppc
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endif
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endif
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# Choose MFEM_PERF_CXXFLAGS based on MFEM_PERF_SW:
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MFEM_PERF_CXXFLAGS = $$(MFEM_PERF_CXXFLAGS_$$(MFEM_PERF_SW))
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# Add MFEM_PERF_CXXFLAGS to MFEM_CXXFLAGS:
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ifeq (YES,$$(MFEM_USE_CUDA))
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ifneq (,$$(MFEM_PERF_CXXFLAGS))
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ifneq ($$(MFEM_HOST_CXX),$$(MFEM_CXX))
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# using nvcc
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MFEM_CXXFLAGS += -Xcompiler="$$(MFEM_PERF_CXXFLAGS)"
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else
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# using clang+cuda
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MFEM_CXXFLAGS += $$(MFEM_PERF_CXXFLAGS)
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endif
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endif
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else
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MFEM_CXXFLAGS += $$(MFEM_PERF_CXXFLAGS)
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endif
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DETECT_PERF_CXXFLAGS_DONE = YES
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endef
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# Compiler specific optimizations.
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# For best performance, GCC 5 (or newer) is recommended.
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ifneq (YES,$(MFEM_USE_CUDA))
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PEDANTIC_FLAG = -pedantic
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endif
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# - GCC extra options:
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MFEM_PERF_CXXFLAGS_gcc_common += $(PEDANTIC_FLAG) -Wall
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ifeq ($(MFEM_USE_SIMD),NO)
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MFEM_PERF_CXXFLAGS_gcc_common += --param max-completely-peel-times=3
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endif
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#MFEM_PERF_CXXFLAGS_gcc_common += -fdump-tree-optimized-blocks
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MFEM_PERF_CXXFLAGS_gcc_x86_64 = -march=native $(MFEM_PERF_CXXFLAGS_gcc_common)
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MFEM_PERF_CXXFLAGS_gcc_ppc = -mcpu=native -mtune=native\
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$(MFEM_PERF_CXXFLAGS_gcc_common)
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# - XLC extra options:
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MFEM_PERF_CXXFLAGS_xlc = -mcpu=native
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# - Clang extra options:
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ifeq ($(MFEM_MACHINE),riscv64)
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MFEM_PERF_CXXFLAGS_clang += -march=rv64gc
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else ifneq (,$(findstring ppc,$(MFEM_MACHINE)))
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MFEM_PERF_CXXFLAGS_clang += -mcpu=native -mtune=native
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else ifeq ($(MFEM_MACHINE),arm64)
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MFEM_PERF_CXXFLAGS_clang += -mcpu=native -mtune=native
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else
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MFEM_PERF_CXXFLAGS_clang += -march=native
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endif
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MFEM_PERF_CXXFLAGS_clang += $(PEDANTIC_FLAG) -Wall
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MFEM_PERF_CXXFLAGS_clang += -fcolor-diagnostics
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MFEM_PERF_CXXFLAGS_clang += -fvectorize
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MFEM_PERF_CXXFLAGS_clang += -fslp-vectorize
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MFEM_PERF_CXXFLAGS_clang += -ffp-contract=fast
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# - Intel C++ compiler extra options:
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MFEM_PERF_CXXFLAGS_icc += -xHost
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SEQ_MINIAPPS = ex1
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PAR_MINIAPPS = ex1p
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ifeq ($(MFEM_USE_MPI),NO)
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MINIAPPS = $(SEQ_MINIAPPS)
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else
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MINIAPPS = $(PAR_MINIAPPS) $(SEQ_MINIAPPS)
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endif
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.SUFFIXES:
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.SUFFIXES: .o .cpp .mk
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.PHONY: all clean clean-build clean-exec
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# Remove built-in rule
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%: %.cpp
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# Replace the default implicit rule for *.cpp files
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%: $(SRC)%.cpp $(MFEM_LIB_FILE) $(CONFIG_MK)
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$(if $(DETECT_PERF_CXXFLAGS_DONE),,$(eval $(DETECT_PERF_CXXFLAGS)))
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$(MFEM_CXX) $(MFEM_FLAGS) $< -o $@ $(MFEM_LIBS)
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all: $(MINIAPPS)
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MFEM_TESTS = MINIAPPS
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include $(MFEM_TEST_MK)
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# Testing: Parallel vs. serial runs
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RUN_MPI = $(MFEM_MPIEXEC) $(MFEM_MPIEXEC_NP) $(MFEM_MPI_NP)
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ex1p-test-par: ex1p
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@$(call mfem-test,$<, $(RUN_MPI), Performance miniapp,-rs 2)
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ex1-test-seq: ex1
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@$(call mfem-test,$<,, Performance miniapp,-r 2)
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# Testing: "test" target and mfem-test* variables are defined in config/test.mk
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# Generate an error message if the MFEM library is not built and exit
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$(MFEM_LIB_FILE):
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$(error The MFEM library is not built)
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clean: clean-build clean-exec
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clean-build:
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rm -f *.o *~ ex1 ex1p
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rm -rf *.dSYM *.TVD.*breakpoints
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clean-exec:
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@rm -f refined.mesh mesh.* sol.*
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