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#
# Copyright (c) 2015-2019, NVIDIA CORPORATION. All rights reserved.
#
# See LICENSE.txt for license information
#
include ../../../makefiles/common.mk
include ../../../makefiles/version.mk
BUILDDIR ?= $(abspath ../../../build)
OBJDIR := $(BUILDDIR)/obj/collectives/device
LIBSRCFILES := all_reduce.cu broadcast.cu reduce.cu all_gather.cu reduce_scatter.cu
LIBSRCFILES += functions.cu
DEPFILES := $(patsubst %.cu, $(OBJDIR)/%.d, $(LIBSRCFILES))
DEPENDFILES:= $(DEPFILES:%.d=%.dep)
STATICLIB := $(OBJDIR)/colldevice.a
DEVOBJ := $(OBJDIR)/devlink.o
RULESFILE := $(OBJDIR)/Makefile.rules
NVCUFLAGS += -I. -I.. -I$(BUILDDIR)/include -I../../include --compiler-options "-fPIC -fvisibility=hidden"
all: $(STATICLIB)
# Dummy rule so that the extra dependency (%.dep) files are preserved by make
all_deps: $(DEPENDFILES)
# Auto-generating the rules per op/reduction/datatype/algorithm
$(RULESFILE) :
@printf "Generating %-35s > %s\n" rules $@
@mkdir -p $(OBJDIR)
@./gen_rules.sh $(OBJDIR) > $@
-include $(RULESFILE)
LIBOBJ := $(GENOBJS) $(OBJDIR)/functions.o
-include $(DEPFILES)
$(STATICLIB): $(LIBOBJ) $(DEVOBJ)
@printf "Archiving %-35s > %s\n" objects $@
ar cr $@ $^
# We do not want make to build *.d when running make clean.
# So we only provide targets for .dep which will produce .dep and .d,
# with only .d being included, and .dep keeping track of what needs to
# be regenerated.
$(OBJDIR)/%.dep : %.cu
@mkdir -p $(OBJDIR)
@$(NVCC) $(NVCUFLAGS) -M $< -o $@.tmp
@sed "0,/^.*:/s//$(subst /,\/,$@):/" $@.tmp > $@
@sed -e 's/.*://' -e 's/\\$$//' < $@.tmp | fmt -1 | \
sed -e 's/^ *//' -e 's/$$/:/' >> $@
@rm -f $@.tmp
@cp $@ $(@:.dep=.d)
# Compiled kernels and collectives with relocatable device code ...
$(OBJDIR)/functions.o : functions.cu $(OBJDIR)/functions.dep
@printf "Compiling %-35s > %s\n" $< $@
mkdir -p `dirname $@`
$(NVCC) $(NVCUFLAGS) -dc $< -o $@
# ... and create the device-side linked object with all those.
$(DEVOBJ) : $(LIBOBJ)
$(NVCC) $(NVCUFLAGS) -dlink $^ -o $@
clean:
rm -f $(LIBOBJ) $(DEVOBJ) $(DEPFILES) $(DEPENDFILES) $(RULESFILE) $(STATICLIB)
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