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tweak libpaths in TensorFlow easyblock by adding directory containing libnccl.so.2 #3497

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tweak libpaths in TensorFlow easyblock by adding directory containing libnccl.so.2 #3497

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13dd418
tweak libpaths by adding directory containing libnccl.so.2
truib Oct 28, 2024
0f331a8
fix logic to add directory to NCCL libs
truib Oct 29, 2024
f6a9afd
moved code block and simplified processing
truib Nov 4, 2024
edc9bfe
use different conditions for when to tweak LIBRARY_PATH
truib Nov 8, 2024
f697d97
move and simplify code to add NCCL-lib path
truib Nov 8, 2024
68d89b9
minor wording / line-wrapping change
trz42 Nov 8, 2024
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11 changes: 11 additions & 0 deletions easybuild/easyblocks/t/tensorflow.py
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Expand Up @@ -701,6 +701,7 @@ def configure_step(self):
})
else:
raise EasyBuildError("TensorFlow has a strict dependency on cuDNN if CUDA is enabled")

if nccl_root:
nccl_version = get_software_version('NCCL')
# Ignore the PKG_REVISION identifier if it exists (i.e., report 2.4.6 for 2.4.6-1 or 2.4.6-2)
Expand Down Expand Up @@ -883,6 +884,16 @@ def build_step(self):

# Make TF find our modules. LD_LIBRARY_PATH gets automatically added by configure.py
cpaths, libpaths = self.system_libs_info[1:]

# add absolute path to libnccl.so.2 directory provided by NCCL
# when LD_LIBRARY_PATH is filtered and LIBRARY_PATH is not
# filtered, e.g., in an environment such as EESSI
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nccl_root = get_software_root('NCCL')
if nccl_root:
filtered_env_vars = build_option('filter_env_vars') or []
if 'LD_LIBRARY_PATH' in filtered_env_vars and 'LIBRARY_PATH' not in filtered_env_vars:
libpaths.append(os.path.join(nccl_root, get_software_libdir('NCCL')))

if cpaths:
action_env['CPATH'] = ':'.join(cpaths)
if libpaths:
Expand Down
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