2012-10-08 23:29:55 +08:00
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#Common commandline argument interpreter for compilation with lammpscuda (USER-CUDA) installed
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# make options:
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# emu=1 switch to cuda emulation mode (otherwise: use gpu)
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# dbg=1 print a lot of debugging output during runtime
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# verbose=1 output nvcc command line during compilation
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# keep=1 do not delete temporary compilation files (.ii, .cubin, ...)
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# cufft=1 use cuda's fast fourier transformation lib "cufft" where possible (otherwise: use cpu fftw)
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# binning=1 create virtual particle grid (neighbor-lists otherwise); currently this is not supported
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# precision=1 single precision (global setting)
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# precision=2 double precision (global setting)
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SHELL = /bin/sh
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# System-specific settings
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2012-10-10 23:44:38 +08:00
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CUDA_INSTALL_PATH = /usr/local/cuda
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#CUDA_INSTALL_PATH = /home/crtrott/lib/cuda
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2012-10-08 23:29:55 +08:00
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# e.g. in Gentoo
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# CUDA_INSTALL_PATH = /opt/cuda
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#//////////////////////////////////////////////////////////////////////////////////////////////
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# no need to change anything below this line
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#//////////////////////////////////////////////////////////////////////////////////////////////
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#use CPU FFT if cufft=0 is requested.
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FALLBACK_FFT = 1
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#default settings for compiler switches
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ifdef COMPILELIB
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include Makefile.defaults
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else
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include ../../lib/cuda/Makefile.defaults
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endif
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#shell echo "Compiling with precision = " ${precision} ", arch = " ${arch} ", cufft = " ${cufft} ", dbg = " ${dbg} ", prec_timer = " ${prec_timer}
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CUDA_FLAGS := -I${CUDA_INSTALL_PATH}/include -DUNIX
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CUDA_USRLIB_CONDITIONAL := -L${CUDA_INSTALL_PATH}/lib -L${CUDA_INSTALL_PATH}/lib64
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# debug setting
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ifeq ($(strip $(dbg)), 1)
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CUDA_FLAGS += -D_DEBUG -g
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NVCC_FLAGS += -g -G
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else
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NVCC_FLAGS += --compiler-options -fno-strict-aliasing -O3
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endif
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# skip timing on Mac and Windows manually
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ifeq ($(strip $(prec_timer)), 0)
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CUDA_FLAGS += -DNO_PREC_TIMING
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endif
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# set fft routine
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ifeq ($(strip $(cufft)), 0)
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ifneq ($(FALLBACK_FFT), 1)
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FFT_INC = -DFFT_NONE
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FFT_PATH =
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FFT_LIB =
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CUDA_FLAGS += -DFFT_NONE
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endif
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else
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CUDA_FLAGS += -DFFT_CUFFT
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CUDA_USRLIB_CONDITIONAL += -lcufft
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endif
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# make global precision setting
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ifeq ($(strip $(precision)), 1)
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CUDA_FLAGS += -DCUDA_PRECISION=1
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else
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ifeq ($(strip $(precision)), 3)
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CUDA_FLAGS += -DCUDA_PRECISION=1 -DX_PRECISION=2
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else
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ifeq ($(strip $(precision)), 4)
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CUDA_FLAGS += -DCUDA_PRECISION=1 -DX_PRECISION=2 -DV_PRECISION=2
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else
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CUDA_FLAGS += -DCUDA_PRECISION=2
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endif
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endif
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endif
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# make architecture settings
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ifeq ($(strip $(arch)), 13)
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CUDA_FLAGS += -DCUDA_ARCH=13
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SMVERSIONFLAGS := -arch sm_13
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else
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ifeq ($(strip $(arch)), 20)
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CUDA_FLAGS += -DCUDA_ARCH=20
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#NVCC_FLAGS += -ftz=false -prec-div=true -prec-sqrt=true
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NVCC_FLAGS += -ftz=true -prec-div=false -prec-sqrt=false
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SMVERSIONFLAGS := -arch sm_20
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else
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ifeq ($(strip $(arch)), 21)
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CUDA_FLAGS += -DCUDA_ARCH=20
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#NVCC_FLAGS += -ftz=false -prec-div=true -prec-sqrt=true
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NVCC_FLAGS += -ftz=true -prec-div=false -prec-sqrt=false
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SMVERSIONFLAGS := -arch sm_21
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else
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ifeq ($(strip $(arch)), 30)
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CUDA_FLAGS += -DCUDA_ARCH=20
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#NVCC_FLAGS += -ftz=false -prec-div=true -prec-sqrt=true
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NVCC_FLAGS += -ftz=true -prec-div=false -prec-sqrt=false
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SMVERSIONFLAGS := -arch sm_30
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else
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ifeq ($(strip $(arch)), 35)
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CUDA_FLAGS += -DCUDA_ARCH=20
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#NVCC_FLAGS += -ftz=false -prec-div=true -prec-sqrt=true
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NVCC_FLAGS += -ftz=true -prec-div=false -prec-sqrt=false
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SMVERSIONFLAGS := -arch sm_35
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else
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CUDA_FLAGS += -DCUDA_ARCH=99
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SMVERSIONFLAGS := -arch sm_13
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endif
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endif
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endif
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endif
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endif
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CCFLAGS := $(CCFLAGS) $(CUDA_FLAGS) \
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-I$(CUDA_INSTALL_PATH)/include
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