diff --git a/cpp/Makefile b/cpp/Makefile
index 85184f6..13fe258 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -1,80 +1,135 @@
-CC := nvcc -m64 -std=c++17 -ccbin g++-12 -Xcompiler -m64,-std=c++17
+CC := nvcc -m64 -t=0 -std=c++17 -Xcompiler -m64,-std=c++17
 OBJ_DIR := bin
-$(shell mkdir -p $(OBJ_DIR))
 MODELS_DIR := models
 OUT_DIR := out
 SRC_DIR := .
-#CFLAGS := -O0 -Werror=all-warnings -g -G
-#CFLAGS := $(CFLAGS) -pg
-#CFLAGS := $(CFLAGS) -Xptxas=-w
-#CFLAGS := $(CFLAGS) -Xcompiler -Wall,-O0,-g,-Werror,-Werror=implicit-fallthrough=0,-Wextra,-rdynamic
-CFLAGS := -O4 -Xcompiler -O4
 DATA_PATH := ../data
+#CFLAGS := -O0 -g -G -Xptxas=-w -Xcompiler -O0,-rdynamic,-g
+#CFLAGS := -O0 -g -G -pg -Xptxas=-w -Xcompiler -O0,-rdynamic,-g
+CFLAGS := -dlto -O2 -Xcompiler -O2
+#CFLAGS := -dlto -O2 -g -Xcompiler -O2,-g,-ggdb
+CFLAGS := $(CFLAGS) -MMD -MP -Werror=all-warnings -Xcompiler -Wall,-Werror,-Werror=implicit-fallthrough=0,-Wextra
 EXEC := $(OBJ_DIR)/ViolaJones
-SRC := $(shell find $(SRC_DIR) -name "*.cpp" -o -name "*.cu" )
 DATA := $(DATA_PATH)/X_train.bin $(DATA_PATH)/X_test.bin $(DATA_PATH)/y_train.bin $(DATA_PATH)/y_test.bin
+SRC := $(shell find $(SRC_DIR) -name '*.cpp' -o -name '*.cu' )
 OBJ_EXT := o
 ifeq ($(OS), Windows_NT)
-	EXEC:=$(EXEC).exe
-	OBJ_EXT:=obj
+	EXEC := $(EXEC).exe
+	OBJ_EXT := obj
 endif
 OBJ := $(SRC:$(SRC_DIR)/%.cpp=$(OBJ_DIR)/%.$(OBJ_EXT))
 OBJ := $(OBJ:$(SRC_DIR)/%.cu=$(OBJ_DIR)/%.$(OBJ_EXT))
 
-.PHONY: all start reset clean mrproper debug check
+.PHONY: all
+all: $(EXEC)
 
-all: $(EXEC) $(DATA)
+$(OBJ_DIR):
+	@mkdir -v $@
 
 # Compiling host code
-$(OBJ_DIR)/%.$(OBJ_EXT): $(SRC_DIR)/%.cpp
+$(OBJ_DIR)/%.$(OBJ_EXT): $(SRC_DIR)/%.cpp | $(OBJ_DIR) check-nvcc-works
 	@echo Compiling $<
 	@$(CC) $(CFLAGS) -c $< -o $@
 
 # Compiling gpu code
-$(OBJ_DIR)/%.$(OBJ_EXT): $(SRC_DIR)/%.cu
+$(OBJ_DIR)/%.$(OBJ_EXT): $(SRC_DIR)/%.cu | $(OBJ_DIR) check-nvcc-works
 	@echo Compiling $<
 	@$(CC) $(CFLAGS) -c $< -o $@
 
-$(EXEC): $(OBJ)
+$(EXEC): $(OBJ) | check-nvcc-works
 	@echo Linking objects files to $@
 	@$(CC) $(CFLAGS) $^ -o $@
 
 $(DATA):
 	@echo 'Missing $(DATA) files, use downloader first' && exit 1
 
+.PHONY: start
 start: $(EXEC) $(DATA)
 	@./$(EXEC)
 
-profile: start
-	@gprof $(EXEC) gmon.out | gprof2dot | dot -Tpng -o output.png
-#@gprof $(EXEC) gmon.out > analysis.txt
-
+.PHONY: debug
 debug: $(EXEC) $(DATA)
 	#@cuda-gdb -q $(EXEC)
 	@gdb -q --tui $(EXEC)
 
-check: $(EXEC) $(DATA)
+.PHONY: profile
+profile: start | check-gprof-works check-gprof2dot-works check-dot-works
+	@gprof $(EXEC) gmon.out | gprof2dot | dot -T png -o output.png
+
+.PHONY: check
+check: $(EXEC) $(DATA) | check-valgrind-works
 	@valgrind -q -s --leak-check=full --show-leak-kinds=all $(EXEC)
 
-cudacheck: $(EXEC) $(DATA)
-	@cuda-memcheck --destroy-on-device-error kernel --tool memcheck --leak-check full --report-api-errors all $(EXEC)
-#@cuda-memcheck --destroy-on-device-error kernel --tool racecheck --racecheck-report all $(EXEC)
-#@cuda-memcheck --destroy-on-device-error kernel --tool initcheck --track-unused-memory yes $(EXEC)
-#@cuda-memcheck --destroy-on-device-error kernel --tool synccheck $(EXEC)
-#@compute-sanitizer --destroy-on-device-error kernel --tool memcheck --leak-check full --report-api-errors all --track-stream-ordered-races all $(EXEC)
-#@compute-sanitizer --destroy-on-device-error kernel --tool racecheck --racecheck-detect-level info --racecheck-report all $(EXEC)
-#@compute-sanitizer --destroy-on-device-error kernel --tool initcheck --track-unused-memory yes $(EXEC)
-#@compute-sanitizer --destroy-on-device-error kernel --tool synccheck $(EXEC)
+.PHONY: cudacheck
+cudacheck: $(EXEC) $(DATA) | check-computer-sanitizer-works
+	@compute-sanitizer --destroy-on-device-error kernel --tool memcheck --leak-check full --report-api-errors all --track-stream-ordered-races all --target-processes all $(EXEC)
+	#@compute-sanitizer --destroy-on-device-error kernel --tool racecheck --racecheck-detect-level info --racecheck-report all $(EXEC)
+	#@compute-sanitizer --destroy-on-device-error kernel --tool initcheck --track-unused-memory yes $(EXEC)
+	#@compute-sanitizer --destroy-on-device-error kernel --tool synccheck $(EXEC)
 
-r2: $(EXEC) $(DATA)
-	@r2 $(EXEC)
+.PHONY: log
+log: $(DATA) reset
+	@echo 'Building GPU'
+	@sed -i 's/GPU_BOOSTED false/GPU_BOOSTED true/' config.hpp
+	@make -s -j "$(shell nproc)"
+	@echo 'Logging GPU'
+	@make -s start > log_gpu
+	@echo 'Building CPU'
+	@sed -i 's/GPU_BOOSTED true/GPU_BOOSTED false/' config.hpp
+	@make -s -j "$(shell nproc)"
+	@echo 'Logging CPU'
+	@make -s start > log_cpu
+	@sed -i 's/GPU_BOOSTED false/GPU_BOOSTED true/' config.hpp
+	@echo 'Cleaning up'
+	@make -s reset
 
+.PHONY: reset
 reset:
-	@echo Deleting generated states and models
-	@rm -rf $(OUT_DIR)/* $(MODELS_DIR)/* | true
+	@echo 'Deleting generated states and models'
+	@rm -frv $(OUT_DIR)/* $(MODELS_DIR)/*
+#@ln -sv /mnt/pierre_stuffs/ViolaJones/cpp/models .
+#@ln -sv /mnt/pierre_stuffs/ViolaJones/cpp/out .
 
+.PHONY: clean
 clean:
-	@rm $(EXEC)
+	@rm -fv $(EXEC) log_gpu log_cpu
 
-mrproper:
-	@rm -r $(OBJ_DIR)
+.PHONY: mrproper
+mrproper: clean
+	@rm -rfv $(OBJ_DIR) gmon.out
+
+.PHONY: help
+help:
+	@echo "Available targets:"
+	@echo "\tall: alias for start, (default target)"
+	@echo "\tstart: Start the ViolaJones algorithm, require data beforehand downloaded by the downloader."
+	@echo "\tdebug: Debug the ViolaJones algorithm, require data beforehand downloaded by the downloader."
+	@echo "\tprofile: Profile the ViolaJones algorithm functions timestamps, require data beforehand downloaded by the downloader."
+	@echo "\treset: Will delete any saved models and processed data made by ViolaJones."
+	@echo "\tmrproper: Will remove cpp binary files. Will execute reset target beforehand."
+
+.PHONY: check-nvcc-works
+check-nvcc-works:
+	@nvcc --version >/dev/null 2>&1 || (echo 'Please install NVIDIA Cuda compiler.' && exit 1)
+
+.PHONY: check-gprof-works
+check-gprof-works:
+	@gprof --version >/dev/null 2>&1 || (echo 'Please install GNU gprof.' && exit 1)
+
+.PHONY: check-gprof2dot-works
+check-gprof2dot-works:
+	@gprof2dot --help >/dev/null 2>&1 || (echo 'Please install gprof2dot.' && exit 1)
+
+.PHONY: check-dot-works
+check-dot-works:
+	@dot --version >/dev/null 2>&1 || (echo 'Please install dot from graphviz.' && exit 1)
+
+.PHONY: check-valgrind-works
+check-valgrind-works:
+	@valgrind --version >/dev/null 2>&1 || (echo 'Please install valgrind.' && exit 1)
+
+.PHONY: check-computer-sanitizer-works
+check-computer-sanitizer-works:
+	@computer-sanitizer --version >/dev/null 2>&1 || (echo 'Please install Compute Sanitizer from Cuda toolkit.' && exit 1)
+
+-include $(OBJ:.o=.d)
diff --git a/python/Makefile b/python/Makefile
index fdffd52..f6ca224 100644
--- a/python/Makefile
+++ b/python/Makefile
@@ -1,35 +1,85 @@
+MODELS_DIR := models
+OUT_DIR := out
 DATA_PATH := ../data
 DATA := $(DATA_PATH)/X_train.bin $(DATA_PATH)/X_test.bin $(DATA_PATH)/y_train.bin $(DATA_PATH)/y_test.bin
 
-.PHONY: all start reset
-
-all: ${DATA}
+.PHONY: all
+all: venv
 
 $(DATA):
 	@echo 'Missing $(DATA) files, use downloader first' && exit 1
 
+.PHONY: venv
 venv:
-	@bash -c 'source activate.sh'
+	@sh -c '. ./activate.sh'
 
-start: ${DATA} venv
-	@bash -c 'source activate.sh && python projet.py'
+.PHONY: start
+start: $(DATA) | venv check-python-works
+	@sh -c '. ./activate.sh && python projet.py'
 
-reset:
-	@echo Deleting generated states and models
-	@rm -rf out/* models/* | true
-
-debug:
+.PHONY: debug
+debug: $(DATA) | venv check-python-works check-pudb-works
 	@bash -c 'source activate.sh && pudb projet.py'
 
-profile:
-	@bash -c 'source activate.sh && python -m cProfile -o prof.out projet.py && gprof2dot -f pstats prof.out | dot -Tpng -o output.png'
+.PHONY: profile
+profile: $(DATA) | venv check-python-works check-gprof2dot-works check-dot-works
+	@bash -c 'source activate.sh && python -m cProfile -o prof.out projet.py && gprof2dot -f pstats prof.out | dot -T png -o output.png'
 
-mrproper: reset
-	@rm -r __pycache__ venv
+.PHONY: log
+log: $(DATA) reset | venv
+	@sed -i 's/GPU_BOOSTED: Final = False/GPU_BOOSTED: Final = True/;s/COMPILE_WITH_C: Final = False/COMPILE_WITH_C: Final = True/' config.py
+	@echo 'Logging GPU'
+	@make -s start > log_gpu
+	@sed -i 's/GPU_BOOSTED: Final = True/GPU_BOOSTED: Final = False/' config.py
+	@echo 'Logging CPU'
+	@make -s start > log_cpu
+	@sed -i 's/GPU_BOOSTED: Final = False/GPU_BOOSTED: Final = True/;s/COMPILE_WITH_C: Final = True/COMPILE_WITH_C: Final = False/' config.py
+	@echo 'Logging PGPU'
+	@make -s start > log_pgpu
+	@sed -i 's/GPU_BOOSTED: Final = True/GPU_BOOSTED: Final = False/' config.py
+	@echo 'Logging PY'
+	@make -s start > log_py
+	@echo 'Cleaning up'
+	@make -s reset
 
-test:
-	@bash -c 'source activate.sh && ls out | sed s/.pkl// | xargs -n1 python test_diff.py out'
-	@bash -c 'source activate.sh && ls models | sed s/.pkl// | xargs -n1 python test_diff.py models'
+.PHONY: reset
+reset:
+	@echo 'Deleting generated states and models'
+	@rm -frv $(OUT_DIR)/* $(MODELS_DIR)/*
+#@ln -sv /mnt/pierre_stuffs/ViolaJones/python/models .
+#@ln -sv /mnt/pierre_stuffs/ViolaJones/python/out .
 
+.PHONY: clean
+clean:
+	@rm -fv log_gpu log_cpu log_gpu log_py
+
+.PHONY: mrproper
+mrproper: clean
+	@rm -rfv __pycache__ venv
+
+.PHONY: help
 help:
-	@echo "all start reset mrproper help"
+	@echo "Available targets:"
+	@echo "\tall: alias for start, (default target)"
+	@echo "\tvenv: Create python virtual environnement."
+	@echo "\tstart: Start the ViolaJones algorithm, require data beforehand downloaded by the downloader."
+	@echo "\tdebug: Debug the ViolaJones algorithm, require data beforehand downloaded by the downloader."
+	@echo "\tprofile: Profile the ViolaJones algorithm functions timestamps, require data beforehand downloaded by the downloader."
+	@echo "\treset: Will delete any saved models and processed data made by ViolaJones."
+	@echo "\tmrproper: Will remove cpp binary files. Will execute reset target beforehand."
+
+.PHONY: check-python-works
+check-python-works:
+	@python --version >/dev/null 2>&1 || (echo 'Please install Python.' && exit 1)
+
+.PHONY: check-pudb-works
+check-pudb-works:
+	@pudb --version >/dev/null 2>&1 || (echo 'Please install pudb.' && exit 1)
+
+.PHONY: check-gprof2dot-works
+check-gprof2dot-works:
+	@gprof2dot --help >/dev/null 2>&1 || (echo 'Please install gprof2dot.' && exit 1)
+
+.PHONY: check-dot-works
+check-dot-works:
+	@dot --version >/dev/null 2>&1 || (echo 'Please install dot from graphviz.' && exit 1)