# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other # Spack Project Developers. See the top-level COPYRIGHT file for details. # # SPDX-License-Identifier: (Apache-2.0 OR MIT) from spack.package import * class Cutlass(CMakePackage, CudaPackage): """CUDA Templates for Linear Algebra Subroutines""" homepage = "https://github.com/NVIDIA/cutlass" git = homepage + ".git" url = "https://github.com/NVIDIA/cutlass/archive/refs/tags/v2.9.0.tar.gz" version('master', branch='master') version( '2.9.1', sha256="2d6474576c08ee21d7f4f3a10fd1a47234fd9fd638efc8a2e0e64bb367f09bc1") version( '2.9.0', sha256="ccca4685739a3185e3e518682845314b07a5d4e16d898b10a3c3a490fd742fb4") variant('cuda', default=True, description='Build with CUDA') conflicts('~cuda', msg='Cutlass requires CUDA') conflicts('cuda_arch=none', msg='Must specify CUDA compute capabilities of your GPU, see ' 'https://developer.nvidia.com/cuda-gpus') def setup_build_environment(self, env): env.set('CUDACXX', self.spec["cuda"].prefix.bin.nvcc) def cmake_args(self): cuda_arch = self.spec.variants['cuda_arch'].value return [self.define("CUTLASS_NVCC_ARCHS", ";".join(cuda_arch))]