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- # Copyright (c) Microsoft Corporation.
- # SPDX-License-Identifier: Apache-2.0
- # DeepSpeed Team
- import os
- from .builder import CUDAOpBuilder, installed_cuda_version
- class InferenceCutlassBuilder(CUDAOpBuilder):
- BUILD_VAR = "DS_BUILD_CUTLASS_OPS"
- NAME = "cutlass_ops"
- def __init__(self, name=None):
- name = self.NAME if name is None else name
- super().__init__(name=name)
- def absolute_name(self):
- return f'deepspeed.inference.v2.kernels.cutlass_ops.{self.NAME}'
- def is_compatible(self, verbose=True):
- try:
- import torch
- except ImportError:
- self.warning("Please install torch if trying to pre-compile inference kernels")
- return False
- cuda_okay = True
- if not self.is_rocm_pytorch() and torch.cuda.is_available(): #ignore-cuda
- sys_cuda_major, _ = installed_cuda_version()
- torch_cuda_major = int(torch.version.cuda.split('.')[0])
- cuda_capability = torch.cuda.get_device_properties(0).major #ignore-cuda
- if cuda_capability < 6:
- self.warning("NVIDIA Inference is only supported on Pascal and newer architectures")
- cuda_okay = False
- if cuda_capability >= 8:
- if torch_cuda_major < 11 or sys_cuda_major < 11:
- self.warning("On Ampere and higher architectures please use CUDA 11+")
- cuda_okay = False
- return super().is_compatible(verbose) and cuda_okay
- def filter_ccs(self, ccs):
- ccs_retained = []
- ccs_pruned = []
- for cc in ccs:
- if int(cc[0]) >= 8:
- # Only support Ampere and newer
- ccs_retained.append(cc)
- else:
- ccs_pruned.append(cc)
- if len(ccs_pruned) > 0:
- self.warning(f"Filtered compute capabilities {ccs_pruned}")
- return ccs_retained
- def get_prefix(self):
- ds_path = self.deepspeed_src_path("deepspeed")
- return "deepspeed" if os.path.isdir(ds_path) else ".."
- def sources(self):
- sources = [
- "inference/v2/kernels/cutlass_ops/cutlass_ops.cpp",
- "inference/v2/kernels/cutlass_ops/mixed_gemm/mixed_gemm.cu",
- "inference/v2/kernels/cutlass_ops/moe_gemm/moe_gemm.cu",
- ]
- prefix = self.get_prefix()
- sources = [os.path.join(prefix, src) for src in sources]
- return sources
- def extra_ldflags(self):
- import dskernels
- lib_path = dskernels.library_path()
- prefix = self.get_prefix()
- lib_path = os.path.join(prefix, lib_path)
- lib_path = self.deepspeed_src_path(lib_path)
- args = [f'-L{lib_path}', '-ldeepspeedft']
- if self.jit_load:
- args.append(f'-Wl,-rpath,{lib_path}')
- return args
- def include_paths(self):
- sources = [
- 'inference/v2/kernels/includes',
- 'inference/v2/kernels/cutlass_ops/mixed_gemm',
- 'inference/v2/kernels/cutlass_ops/moe_gemm',
- 'inference/v2/kernels/cutlass_ops/shared_resources/',
- ]
- prefix = self.get_prefix()
- sources = [os.path.join(prefix, src) for src in sources]
- return sources
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