mirror of https://github.com/hpcaitech/ColossalAI
57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
import re
|
|
|
|
import torch
|
|
|
|
from .builder import Builder
|
|
from .utils import append_nvcc_threads
|
|
|
|
|
|
class GPTQBuilder(Builder):
|
|
NAME = "cu_gptq"
|
|
PREBUILT_IMPORT_PATH = "colossalai._C.cu_gptq"
|
|
|
|
def __init__(self):
|
|
super().__init__(name=GPTQBuilder.NAME, prebuilt_import_path=GPTQBuilder.PREBUILT_IMPORT_PATH)
|
|
|
|
def include_dirs(self):
|
|
ret = [self.csrc_abs_path("gptq"), self.get_cuda_home_include()]
|
|
return ret
|
|
|
|
def sources_files(self):
|
|
ret = [
|
|
self.csrc_abs_path(fname)
|
|
for fname in [
|
|
"gptq/linear_gptq.cpp",
|
|
"gptq/column_remap.cu",
|
|
"gptq/cuda_buffers.cu",
|
|
"gptq/q4_matmul.cu",
|
|
"gptq/q4_matrix.cu",
|
|
]
|
|
]
|
|
return ret
|
|
|
|
def cxx_flags(self):
|
|
return ["-O3"] + self.version_dependent_macros
|
|
|
|
def nvcc_flags(self):
|
|
extra_cuda_flags = [
|
|
"-v",
|
|
"-std=c++14",
|
|
"-U__CUDA_NO_HALF_OPERATORS__",
|
|
"-U__CUDA_NO_HALF_CONVERSIONS__",
|
|
"-U__CUDA_NO_HALF2_OPERATORS__",
|
|
"-DTHRUST_IGNORE_CUB_VERSION_CHECK",
|
|
"-lcublas",
|
|
"-std=c++17",
|
|
]
|
|
|
|
for arch in torch.cuda.get_arch_list():
|
|
res = re.search(r"sm_(\d+)", arch)
|
|
if res:
|
|
arch_cap = res[1]
|
|
if int(arch_cap) >= 80:
|
|
extra_cuda_flags.extend(["-gencode", f"arch=compute_{arch_cap},code={arch}"])
|
|
|
|
ret = ["-O3", "--use_fast_math"] + self.version_dependent_macros + extra_cuda_flags
|
|
return append_nvcc_threads(ret)
|