flash_att_v2_commit := 601b4dc48dbe9d87c468daa2b4c0c8388b83753c

flash-attention-v2:
    # Clone flash attention
	pip install packaging
	git clone https://github.com/HazyResearch/flash-attention.git flash-attention-v2

build-flash-attention-v2: flash-attention-v2
	cd flash-attention-v2 && git fetch && git checkout $(flash_att_v2_commit)
	cd flash-attention-v2 && python setup.py build

install-flash-attention-v2: build-flash-attention-v2
	cd flash-attention-v2 && python setup.py install