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419a598eae
glibc-2.11 on x86_64 provides a machine-specific memchr() which is faster than the generic C implementation by around 40%, so let's make it possible to use it instead of the hand-coded version.
23 lines
753 B
Makefile
23 lines
753 B
Makefile
EBTREE_DIR = ../../ebtree
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INCLUDE = -I../../include -I$(EBTREE_DIR)
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CC = gcc
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# note: it is recommended to also add -fomit-frame-pointer on i386
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OPTIMIZE = -O3
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# most recent glibc provide platform-specific optimizations that make
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# memchr faster than the generic C implementation (eg: SSE and prefetch
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# on x86_64). Try with an without. In general, on x86_64 it's better to
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# use memchr using the define below.
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# DEFINE = -DUSE_MEMCHR
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DEFINE =
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OBJS = halog
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halog: halog.c fgets2.c
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$(CC) $(OPTIMIZE) $(DEFINE) -o $@ $(INCLUDE) $(EBTREE_DIR)/ebtree.c $(EBTREE_DIR)/eb32tree.c $(EBTREE_DIR)/eb64tree.c $(EBTREE_DIR)/ebmbtree.c $(EBTREE_DIR)/ebsttree.c $(EBTREE_DIR)/ebistree.c $(EBTREE_DIR)/ebimtree.c $^
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clean:
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rm -f $(OBJS) *.[oas]
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