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[ Jax FE] Todo Fix memory leak #35643

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[ Jax FE] Todo Fix memory leak #35643

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601a5be
fix memory leak
andersendsa May 2, 2026
6aab03a
adding spacing
andersendsa May 2, 2026
3c30dae
Merge branch 'master' into memory_leak
andersendsa May 2, 2026
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11 changes: 6 additions & 5 deletions src/bindings/python/src/openvino/frontend/jax/jaxpr_decoder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
else:
import jax.extend as jex

import weakref
from openvino.frontend.jax.py_jax_frontend import _FrontEndJaxDecoder as Decoder
from openvino import PartialShape, Type as OVType, OVAny
from openvino.frontend.jax.utils import jax_array_to_ov_const, get_ov_type_for_value, \
Expand Down Expand Up @@ -81,8 +82,8 @@ def __init__(self, jaxpr, name=None, literals=None):
if converted is not None:
self.params.update(converted)

# TODO: this implementation may lead to memory increasing. Any better solution?
self.m_decoders = []

self.m_decoders = weakref.WeakSet()
Comment on lines +85 to +86

def inputs(self) -> list[int]:
if isinstance(self.jaxpr, jex.core.JaxprEqn):
Expand Down Expand Up @@ -147,15 +148,15 @@ def visit_subgraph(self, node_visitor) -> None:
if isinstance(self.jaxpr, jex.core.JaxprEqn):
return
for _, decoder in self.params.items():
self.m_decoders.append(decoder)
self.m_decoders.add(decoder)
node_visitor(decoder)
for idx, node in enumerate(self.jaxpr.constvars):
decoder = self.convert_literal_to_constant_node(
literal=self.literals[idx],
name=self.name + "/" + f"const({id(node)})",
output_id=id(node)
)
self.m_decoders.append(decoder)
self.m_decoders.add(decoder)
node_visitor(decoder)
# Visit every `JaxEqn` in the jaxpr, see https://github.com/google/jax/blob/jaxlib-v0.4.29/jax/_src/core.py#L285
for node in self.jaxpr.eqns:
Expand All @@ -166,7 +167,7 @@ def visit_subgraph(self, node_visitor) -> None:
literal_decoders.append(literal_decoder)
node_visitor(literal_decoder)
decoder = JaxprPythonDecoder(node, name=self.name + "/" + node.primitive.name, literals=literal_decoders)
self.m_decoders.append(decoder)
self.m_decoders.add(decoder)
node_visitor(decoder)

def get_op_type(self) -> str:
Expand Down
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