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ex_alp

0.1.3
0.1.6 0.1.5 0.1.4 0.1.3 0.1.1 0.1.0

ALP (Adaptive Lossless floating-Point) compression for Elixir. 2.5x better compression and 2x faster than Gorilla encoding for time series data. NIF wrapper around the SIGMOD 2024 reference implementation.

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ex_alp Makefile
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Makefile 

PRIV_DIR = priv

NIF_SO = $(PRIV_DIR)/alp_nif.so



ERTS_INCLUDE_DIR ?= $(shell erl -noshell -eval 'io:format("~s/erts-~s/include", [code:root_dir(), erlang:system_info(version)])' -s init stop)



CXXFLAGS = -O3 -std=c++17 -fPIC -shared -I$(ERTS_INCLUDE_DIR) -Ic_src

LDFLAGS = -shared



ifeq ($(shell uname -s),Darwin)

	LDFLAGS += -undefined dynamic_lookup -flat_namespace

endif



all: $(NIF_SO)



$(NIF_SO): c_src/alp_nif.cpp

	@mkdir -p $(PRIV_DIR)

	$(CXX) $(CXXFLAGS) -o $@ $< $(LDFLAGS)



clean:

	rm -rf $(PRIV_DIR)/alp_nif.so