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Avoid relying on jax.lib.xla_bridge._backends, as this is private and will soon be deleted #367

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Nov 19, 2024
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Avoid relying on jax.lib.xla_bridge._backends, as this is private and will soon be deleted #367

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2 changes: 1 addition & 1 deletion chex/_src/fake.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ def set_n_cpu_devices(n: Optional[int] = None) -> None:
n = n or FLAGS['chex_n_cpu_devices'].value

n_devices = get_n_cpu_devices_from_xla_flags()
cpu_backend = (jax.lib.xla_bridge._backends or {}).get('cpu', None) # pylint: disable=protected-access
cpu_backend = (jax._src.xla_bridge._backends or {}).get('cpu', None) # pylint: disable=protected-access
if cpu_backend is not None and n_devices != n:
raise RuntimeError(
f'Attempted to set {n} devices, but {n_devices} CPUs already available:'
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