Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[Common] Default CUDA_HOME to /usr/local/cuda when dynamically loading cuDNN and NVRTC #1183

Merged
merged 1 commit into from
Sep 17, 2024
Merged

[Common] Default CUDA_HOME to /usr/local/cuda when dynamically loading cuDNN and NVRTC #1183

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
36 changes: 20 additions & 16 deletions transformer_engine/common/__init__.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,34 +47,35 @@ def _get_sys_extension():

def _load_cudnn():
"""Load CUDNN shared library."""

# Attempt to locate cuDNN in Python dist-packages
lib_path = glob.glob(
os.path.join(
sysconfig.get_path("purelib"),
f"nvidia/cudnn/lib/libcudnn.{_get_sys_extension()}.*[0-9]",
)
)

if lib_path:
assert (
len(lib_path) == 1
), f"Found {len(lib_path)} libcudnn.{_get_sys_extension()}.x in nvidia-cudnn-cuXX."
return ctypes.CDLL(lib_path[0], mode=ctypes.RTLD_GLOBAL)

# Attempt to locate cuDNN in CUDNN_HOME or CUDNN_PATH, if either is set
cudnn_home = os.environ.get("CUDNN_HOME") or os.environ.get("CUDNN_PATH")
if cudnn_home:
libs = glob.glob(f"{cudnn_home}/**/libcudnn.{_get_sys_extension()}*", recursive=True)
libs.sort(reverse=True, key=os.path.basename)
if libs:
return ctypes.CDLL(libs[0], mode=ctypes.RTLD_GLOBAL)

cuda_home = os.environ.get("CUDA_HOME") or os.environ.get("CUDA_PATH")
if cuda_home:
libs = glob.glob(f"{cuda_home}/**/libcudnn.{_get_sys_extension()}*", recursive=True)
libs.sort(reverse=True, key=os.path.basename)
if libs:
return ctypes.CDLL(libs[0], mode=ctypes.RTLD_GLOBAL)
# Attempt to locate cuDNN in CUDA_HOME, CUDA_PATH or /usr/local/cuda
cuda_home = os.environ.get("CUDA_HOME") or os.environ.get("CUDA_PATH") or "/usr/local/cuda"
libs = glob.glob(f"{cuda_home}/**/libcudnn.{_get_sys_extension()}*", recursive=True)
libs.sort(reverse=True, key=os.path.basename)
if libs:
return ctypes.CDLL(libs[0], mode=ctypes.RTLD_GLOBAL)

# If all else fails, assume that it is in LD_LIBRARY_PATH and error out otherwise
return ctypes.CDLL(f"libcudnn.{_get_sys_extension()}", mode=ctypes.RTLD_GLOBAL)


Expand All @@ -91,14 +92,15 @@ def _load_library():

def _load_nvrtc():
"""Load NVRTC shared library."""
cuda_home = os.environ.get("CUDA_HOME") or os.environ.get("CUDA_PATH")
if cuda_home:
libs = glob.glob(f"{cuda_home}/**/libnvrtc.{_get_sys_extension()}*", recursive=True)
libs = list(filter(lambda x: not ("stub" in x or "libnvrtc-builtins" in x), libs))
libs.sort(reverse=True, key=os.path.basename)
if libs:
return ctypes.CDLL(libs[0], mode=ctypes.RTLD_GLOBAL)

# Attempt to locate NVRTC in CUDA_HOME, CUDA_PATH or /usr/local/cuda
cuda_home = os.environ.get("CUDA_HOME") or os.environ.get("CUDA_PATH") or "/usr/local/cuda"
libs = glob.glob(f"{cuda_home}/**/libnvrtc.{_get_sys_extension()}*", recursive=True)
libs = list(filter(lambda x: not ("stub" in x or "libnvrtc-builtins" in x), libs))
libs.sort(reverse=True, key=os.path.basename)
if libs:
return ctypes.CDLL(libs[0], mode=ctypes.RTLD_GLOBAL)

# Attempt to locate NVRTC via ldconfig
libs = subprocess.check_output("ldconfig -p | grep 'libnvrtc'", shell=True)
libs = libs.decode("utf-8").split("\n")
sos = []
Expand All @@ -109,6 +111,8 @@ def _load_nvrtc():
sos.append(lib.split(">")[1].strip())
if sos:
return ctypes.CDLL(sos[0], mode=ctypes.RTLD_GLOBAL)

# If all else fails, assume that it is in LD_LIBRARY_PATH and error out otherwise
return ctypes.CDLL(f"libnvrtc.{_get_sys_extension()}", mode=ctypes.RTLD_GLOBAL)


Expand Down
Loading