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import inspect
import io
import os
import platform
import warnings
import numpy
import cupy
import cupy_backends
is_hip = cupy_backends.cuda.api.runtime.is_hip
def _eval_or_error(func, errors):
# Evaluates `func` and return the result.
# If an error specified by `errors` occurred, it returns a string
# representing the error.
try:
return func()
except errors as e:
return repr(e)
class _InstallInfo(object):
# TODO(niboshi): Add is_binary_distribution
def __init__(self):
cupy_package_root = self._get_cupy_package_root()
if cupy_package_root is not None:
data_root = os.path.join(cupy_package_root, '.data')
data_paths = {
'lib': _dir_or_none(os.path.join(data_root, 'lib')),
'include': _dir_or_none(os.path.join(data_root, 'include')),
}
else:
data_paths = {
'lib': None,
'include': None,
}
self.cupy_package_root = cupy_package_root
self.data_paths = data_paths
def get_data_path(self, data_type):
if data_type not in self.data_paths:
raise ValueError('Invalid data type: {}'.format(data_type))
return self.data_paths[data_type]
def _get_cupy_package_root(self):
try:
cupy_path = inspect.getfile(cupy)
except TypeError:
return None
return os.path.dirname(cupy_path)
class _RuntimeInfo:
cupy_version = None
cuda_path = None
# CUDA Driver
cuda_build_version = None
cuda_driver_version = None
# CUDA Runtime
cuda_runtime_version = None
cuda_local_runtime_version = None
# CUDA Toolkit
cublas_version = None
cufft_version = None
curand_version = None
cusolver_version = None
cusparse_version = None
nvrtc_version = None
thrust_version = None
cuda_extra_include_dirs = None
# Optional Libraries
cudnn_build_version = None
cudnn_version = None
nccl_build_version = None
nccl_runtime_version = None
cub_build_version = None
jitify_build_version = None
cutensor_version = None
cusparselt_version = None
cython_build_version = None
cython_version = None
numpy_version = None
scipy_version = None
def __init__(self, *, full=True):
self.cupy_version = cupy.__version__
if not is_hip:
self.cuda_path = cupy.cuda.get_cuda_path()
else:
self.cuda_path = cupy._environment.get_rocm_path()
if not is_hip:
self.nvcc_path = cupy._environment.get_nvcc_path()
else:
self.nvcc_path = cupy._environment.get_hipcc_path()
# CUDA Driver
self.cuda_build_version = str(cupy.cuda.driver.get_build_version())
if cupy.cuda.driver._is_cuda_python():
try:
import cuda.bindings
cuda_version = cuda.bindings.__version__
except ImportError:
import cuda
cuda_version = cuda.__version__
self.cuda_build_version += f' (CUDA Python: {cuda_version})'
self.cuda_driver_version = _eval_or_error(
cupy.cuda.runtime.driverGetVersion,
cupy.cuda.runtime.CUDARuntimeError)
# CUDA Runtime
self.cuda_runtime_version = _eval_or_error(
cupy.cuda.runtime.runtimeGetVersion,
cupy.cuda.runtime.CUDARuntimeError)
self.cuda_local_runtime_version = _eval_or_error(
cupy.cuda.get_local_runtime_version,
Exception)
# cuBLAS
self.cublas_version = '(available)'
if full:
self.cublas_version = _eval_or_error(
lambda: cupy.cuda.cublas.getVersion(
cupy.cuda.device.get_cublas_handle()),
Exception)
# cuFFT
try:
from cupy.cuda import cufft
self.cufft_version = _eval_or_error(
lambda: cufft.getVersion(), Exception)
except ImportError:
pass
# cuRAND
self.curand_version = _eval_or_error(
lambda: cupy.cuda.curand.getVersion(),
Exception)
# cuSOLVER
self.cusolver_version = _eval_or_error(
lambda: cupy.cuda.cusolver._getVersion(),
Exception)
# cuSPARSE
self.cusparse_version = '(available)'
if full:
self.cusparse_version = _eval_or_error(
lambda: cupy.cuda.cusparse.getVersion(
cupy.cuda.device.get_cusparse_handle()),
Exception)
# NVRTC
self.nvrtc_version = _eval_or_error(
lambda: cupy.cuda.nvrtc.getVersion(),
Exception)
# Thrust
try:
import cupy.cuda.thrust as thrust
self.thrust_version = thrust.get_build_version()
except ImportError:
pass
# CUDA Extra Include Dirs
if not is_hip:
try:
nvrtc_version = cupy.cuda.nvrtc.getVersion()
except Exception:
nvrtc_version = None
if nvrtc_version is None:
self.cuda_extra_include_dirs = '(NVRTC unavailable)'
else:
self.cuda_extra_include_dirs = str(
cupy._environment._get_include_dir_from_conda_or_wheel(
*nvrtc_version))
# cuDNN
if cupy._environment._can_attempt_preload('cudnn'):
if full:
cupy._environment._preload_library('cudnn')
else:
self.cudnn_build_version = (
'(not loaded; try `import cupy.cuda.cudnn` first)')
self.cudnn_version = self.cudnn_build_version
try:
import cupy_backends.cuda.libs.cudnn as cudnn
self.cudnn_build_version = cudnn.get_build_version()
self.cudnn_version = _eval_or_error(
cudnn.getVersion, cudnn.CuDNNError)
except ImportError:
pass
# NCCL
if cupy._environment._can_attempt_preload('nccl'):
if full:
cupy._environment._preload_library('nccl')
else:
self.nccl_build_version = (
'(not loaded; try `import cupy.cuda.nccl` first)')
self.nccl_runtime_version = self.nccl_build_version
try:
import cupy_backends.cuda.libs.nccl as nccl
self.nccl_build_version = nccl.get_build_version()
nccl_runtime_version = nccl.get_version()
if nccl_runtime_version == 0:
nccl_runtime_version = '(unknown)'
self.nccl_runtime_version = nccl_runtime_version
except ImportError:
pass
# CUB
self.cub_build_version = cupy.cuda.cub.get_build_version()
try:
import cupy.cuda.jitify as jitify
self.jitify_build_version = jitify.get_build_version()
except ImportError:
pass
# cuTENSOR
try:
import cupy_backends.cuda.libs.cutensor as cutensor
self.cutensor_version = cutensor.get_version()
except ImportError:
pass
# cuSparseLT
try:
import cupy_backends.cuda.libs.cusparselt as cusparselt
self.cusparselt_version = cusparselt.get_build_version()
except ImportError:
pass
# Cython
self.cython_build_version = cupy._util.cython_build_ver
try:
import Cython
self.cython_version = Cython.__version__
except ImportError:
pass
# NumPy
self.numpy_version = numpy.version.full_version
# SciPy
try:
import scipy
self.scipy_version = scipy.version.full_version
except ImportError:
pass
def __str__(self):
records = [
('OS', platform.platform()),
('Python Version', platform.python_version()),
('CuPy Version', self.cupy_version),
('CuPy Platform', 'NVIDIA CUDA' if not is_hip else 'AMD ROCm'),
('NumPy Version', self.numpy_version),
('SciPy Version', self.scipy_version),
('Cython Build Version', self.cython_build_version),
('Cython Runtime Version', self.cython_version),
('CUDA Root', self.cuda_path),
('hipcc PATH' if is_hip else 'nvcc PATH', self.nvcc_path),
('CUDA Build Version', self.cuda_build_version),
('CUDA Driver Version', self.cuda_driver_version),
('CUDA Runtime Version', (
f'{self.cuda_runtime_version} (linked to CuPy) / '
f'{self.cuda_local_runtime_version} (locally installed)'
)),
('CUDA Extra Include Dirs', self.cuda_extra_include_dirs),
]
records += [
('cuBLAS Version', self.cublas_version),
('cuFFT Version', self.cufft_version),
('cuRAND Version', self.curand_version),
('cuSOLVER Version', self.cusolver_version),
('cuSPARSE Version', self.cusparse_version),
('NVRTC Version', self.nvrtc_version),
('Thrust Version', self.thrust_version),
('CUB Build Version', self.cub_build_version),
('Jitify Build Version', self.jitify_build_version),
]
records += [
('cuDNN Build Version', self.cudnn_build_version),
('cuDNN Version', self.cudnn_version),
('NCCL Build Version', self.nccl_build_version),
('NCCL Runtime Version', self.nccl_runtime_version),
('cuTENSOR Version', self.cutensor_version),
('cuSPARSELt Build Version', self.cusparselt_version),
]
device_count = 0
try:
device_count = cupy.cuda.runtime.getDeviceCount()
except cupy.cuda.runtime.CUDARuntimeError as e:
if 'ErrorNoDevice' not in e.args[0]:
warnings.warn(f'Failed to detect number of GPUs: {e}')
# No GPU devices available.
for device_id in range(device_count):
with cupy.cuda.Device(device_id) as device:
props = cupy.cuda.runtime.getDeviceProperties(device_id)
name = ('Device {} Name'.format(device_id),
props['name'].decode())
pci_bus = ('Device {} PCI Bus ID'.format(device_id),
device.pci_bus_id)
if is_hip:
try:
arch = props['gcnArchName'].decode()
except KeyError: # ROCm < 3.6.0
arch = 'gfx'+str(props['gcnArch'])
arch = ('Device {} Arch'.format(device_id), arch)
else:
arch = ('Device {} Compute Capability'.format(device_id),
device.compute_capability)
records += [name, arch, pci_bus]
width = max([len(r[0]) for r in records]) + 2
fmt = '{:' + str(width) + '}: {}\n'
s = io.StringIO()
for k, v in records:
s.write(fmt.format(k, v))
return s.getvalue()
def get_runtime_info(*, full=True):
return _RuntimeInfo(full=full)
def get_install_info():
return _InstallInfo()
def _dir_or_none(path):
"""Returns None if path does not exist."""
if os.path.isdir(path):
return path
return None
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