| # Brute force collision tester for 64-bit hashes |
| # Part of xxHash project |
| # Copyright (C) 2019-2020 Yann Collet |
| # |
| # GPL v2 License |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License along |
| # with this program; if not, write to the Free Software Foundation, Inc., |
| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| # |
| # You can contact the author at: |
| # - xxHash homepage: https://www.xxhash.com |
| # - xxHash source repository: https://github.com/Cyan4973/xxHash |
| # |
| |
| SRC_DIRS = ./ ../../ allcodecs/ |
| VPATH = $(SRC_DIRS) |
| CPPFLAGS += $(addprefix -I ,$(SRC_DIRS)) |
| CFLAGS ?= -std=c99 \ |
| -Wall -Wextra -Wconversion |
| CXXFLAGS ?= -Wall -Wextra -Wconversion -std=c++11 |
| LDFLAGS += -pthread |
| TESTHASHES = 110000000 |
| |
| HASH_SRC := $(sort $(wildcard allcodecs/*.c allcodecs/*.cc)) |
| HASH_OBJ := $(patsubst %.c,%.o,$(HASH_SRC)) |
| |
| |
| .PHONY: default |
| default: release |
| |
| .PHONY: all |
| all: release |
| |
| collisionsTest: main.o pool.o threading.o sort.o $(HASH_OBJ) |
| $(CXX) $(CPPFLAGS) $(CXXFLAGS) $^ $(LDFLAGS) -o $@ |
| |
| main.o: hashes.h xxhash.h |
| |
| release: CXXFLAGS += -O3 |
| release: CFLAGS += -O3 |
| release: collisionsTest |
| |
| debug: CXXFLAGS += -g3 -O0 -DDEBUG |
| debug: CFLAGS += -g3 -O0 -DDEBUG |
| debug: collisionsTest |
| |
| .PHONY: check |
| check: test |
| |
| .PHONY: test |
| test: debug |
| @echo "" |
| @echo "## $(TESTHASHES) hashes with original and 0 threads" |
| @time ./collisionsTest --nbh=$(TESTHASHES) |
| @echo "" |
| @echo "## $(TESTHASHES) hashes with original and 4 threads" |
| @time ./collisionsTest --nbh=$(TESTHASHES) --threadlog=2 |
| @echo "" |
| |
| .PHONY: clean |
| clean: |
| $(RM) *.o allcodecs/*.o |
| $(RM) collisionsTest |