derek.holloway
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42 lines
1.2 KiB
Makefile
42 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: Apache-2.0
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#
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# Common build rules for the RCCL examples.
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# Ported from the NVIDIA NCCL examples (docs/examples) to use HIP/RCCL.
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ROCM_PATH ?= /opt/rocm
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RCCL_HOME ?= $(ROCM_PATH)
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PREFIX ?= /usr/local
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HIPCC ?= $(ROCM_PATH)/bin/hipcc
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# Force CXX to hipcc (Make sets CXX=g++ by default, so we override).
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CXX := $(HIPCC)
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# Default GPU architectures - override with `make GPU_TARGETS="gfx942"` etc.
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GPU_TARGETS ?= gfx90a gfx942 gfx1100
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OFFLOAD_ARCH_FLAGS := $(foreach a,$(GPU_TARGETS),--offload-arch=$(a))
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CXXFLAGS ?= -O2 -g -std=c++17 -Wall
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CXXFLAGS += -D__HIP_PLATFORM_AMD__ $(OFFLOAD_ARCH_FLAGS)
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INCLUDES := -I$(ROCM_PATH)/include -I$(RCCL_HOME)/include
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LIBRARIES := -L$(ROCM_PATH)/lib -L$(RCCL_HOME)/lib
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LDFLAGS := -lrccl -lamdhip64 -Wl,-rpath,$(RCCL_HOME)/lib -Wl,-rpath,$(ROCM_PATH)/lib
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# MPI configuration
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ifeq ($(MPI), 1)
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ifdef MPI_HOME
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MPICXX ?= $(MPI_HOME)/bin/mpicxx
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MPIRUN ?= $(MPI_HOME)/bin/mpirun
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INCLUDES += -I$(MPI_HOME)/include
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LIBRARIES += -L$(MPI_HOME)/lib
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else
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MPICXX ?= mpicxx
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MPIRUN ?= mpirun
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endif
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# Force the MPI compiler wrapper to use hipcc instead of g++ so HIP flags work.
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export OMPI_CXX := $(HIPCC)
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export MPICH_CXX := $(HIPCC)
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CXXFLAGS += -DMPI_SUPPORT
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LDFLAGS += -lmpi
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endif
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