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fix(evaluation): gc.collect() after each instance to reclaim cyclic RemoteConversation objects #702

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simonrosenberg wants to merge 2 commits into from
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fix(evaluation): gc.collect() after each instance to reclaim cyclic RemoteConversation objects #702

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fix(evaluation): gc.collect() after each instance to reclaim cyclic R…
May 1, 2026
e0a28c7
style: simplify gc.collect() comment
May 1, 2026
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6 changes: 6 additions & 0 deletions benchmarks/utils/evaluation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@

import asyncio
import base64
import gc
import json
import os
import tarfile
Expand Down Expand Up @@ -649,6 +650,11 @@ async def attempt_on_result_async(
# from the attempt files, not from this in-memory list.
out.history = []

# Flush cyclic-GC objects. RemoteConversation holds a circular
# reference via its WebSocket callback closure, so CPython's
# reference counter can't free it immediately on scope exit.
gc.collect()

attempt_outputs.append(out)

# Run evaluation for this attempt using asyncio
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