misc/py-xformers: New port: Transformers building blocks, supporting …

…a composable construction

misc/Makefile

@@ -509,6 +509,7 @@
     SUBDIR += py-vaderSentiment
     SUBDIR += py-wandb
     SUBDIR += py-wurlitzer
+    SUBDIR += py-xformers
     SUBDIR += py-xgboost
     SUBDIR += pyobd
     SUBDIR += pytorch

misc/py-xformers/Makefile

@@ -0,0 +1,25 @@
+PORTNAME=	xformers
+DISTVERSION=	0.0.25
+CATEGORIES=	misc python # machine-learning
+MASTER_SITES=	PYPI
+PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+
+MAINTAINER=	yuri@FreeBSD.org
+COMMENT=	Transformers building blocks, supporting a composable construction
+WWW=		https://facebookresearch.github.io/xformers/
+
+LICENSE=	BSD3CLAUSE
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+BUILD_DEPENDS=	pybind11>0:devel/pybind11 \
+		${PYTHON_PKGNAMEPREFIX}pytorch>=2.1:misc/py-pytorch@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytorch>=2.1:misc/py-pytorch@${PY_FLAVOR} \
+		${PYNUMPY}
+
+USES=		compiler:c++17-lang localbase python
+USE_PYTHON=	distutils autoplist pytest # tests fail, see https://github.com/facebookresearch/xformers/issues/1003
+
+post-install:
+	@${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/xformers/_C.so
+
+.include <bsd.port.mk>

misc/py-xformers/distinfo

@@ -0,0 +1,3 @@
+TIMESTAMP = 1711070989
+SHA256 (xformers-0.0.25.tar.gz) = 63f74d96c82d6b9bf3daf38f53cf173a29370ee6bd1dfde15836d0d598b6f82f
+SIZE (xformers-0.0.25.tar.gz) = 4080980

misc/py-xformers/pkg-descr

@@ -0,0 +1,11 @@
+xFormers is a Toolbox to Accelerate Research on Transformers.
+
+xFormers is:
+* Customizable building blocks: Independent/customizable building blocks that
+  can be used without boilerplate code. The components are domain-agnostic and
+  xFormers is used by researchers in vision, NLP and more.
+* Research first: xFormers contains bleeding-edge components, that are not yet
+  available in mainstream libraries like PyTorch.
+* Built with efficiency in mind: Because speed of iteration matters, components
+  are as fast and memory-efficient as possible. xFormers contains its own CUDA
+  kernels, but dispatches to other libraries when relevant.

misc/py-xformers/pkg-plist

@@ -0,0 +1,4 @@
+%%PYTHON_SITELIBDIR%%/xformers/__pycache__/version%%PYTHON_EXT_SUFFIX%%.opt-1.pyc
+%%PYTHON_SITELIBDIR%%/xformers/__pycache__/version%%PYTHON_EXT_SUFFIX%%.pyc
+%%PYTHON_SITELIBDIR%%/xformers/cpp_lib.json
+%%PYTHON_SITELIBDIR%%/xformers/version.py