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[https://nvbugs/6607481][fix] Isolate stateful KV-cache comparison #17673

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Merged
BowenFu merged 4 commits into from
Aug 19, 2026
Merged

[https://nvbugs/6607481][fix] Isolate stateful KV-cache comparison #17673

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3d62778
[https://nvbugs/6607481][fix] Isolate stateful KV-cache comparison
BowenFu Aug 14, 2026
87ccd3f
[https://nvbugs/6607481][test] Annotate stateful cache regression
BowenFu Aug 14, 2026
b769195
[https://nvbugs/6607481][test] Use private MPI marker for cache test
BowenFu Aug 17, 2026
e3cc627
Merge remote-tracking branch 'origin/main' into drive/pr-17673
BowenFu Aug 18, 2026
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1 change: 0 additions & 1 deletion tests/integration/test_lists/waives.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -292,7 +292,6 @@ full:RTX_PRO_6000_Blackwell_Server_Edition/accuracy/test_llm_api_pytorch.py::Tes
full:RTX_PRO_6000_Blackwell_Server_Edition/accuracy/test_llm_api_pytorch.py::TestQwen3_5_4B::test_fp8 SKIP (https://nvbugs/6273850)
full:sm100/unittest/bindings SKIP (Disable for Blackwell)
kv_cache/test_kv_cache_v2_scheduler.py::TestKVCacheV2Llama::test_chunked_prefill SKIP (https://nvbugs/6428002)
kv_cache/test_kv_cache_v2_scheduler.py::TestKVCacheV2Llama::test_chunked_prefill_eviction_block_reuse SKIP (https://nvbugs/6607481)
kv_cache/test_kv_cache_v2_scheduler.py::TestKVCacheV2Llama::test_eviction[cuda_graph] SKIP (https://nvbugs/6600098)
kv_cache/test_kv_cache_v2_scheduler.py::TestKVCacheV2Llama::test_eviction_with_block_reuse SKIP (https://nvbugs/6462303)
kv_cache/test_kv_cache_v2_scheduler.py::TestKVCacheV2Llama::test_overlap_scheduler[non_overlap] SKIP (https://nvbugs/6600098)
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4 changes: 4 additions & 0 deletions tests/test_common/session_reuse_hooks.py
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Expand Up @@ -22,6 +22,10 @@
"autodeploy",
"auto_deploy",
"/test_ad_",
# This V1/V2 comparison has hung after inheriting an older reused worker.
# Keep both executor legs isolated until their teardown resets all worker state.
"kv_cache/test_kv_cache_v2_scheduler.py::testkvcachev2llama::"
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"test_chunked_prefill_eviction_block_reuse",
)


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12 changes: 12 additions & 0 deletions tests/unittest/llmapi/test_session_reuse.py
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Expand Up @@ -331,6 +331,18 @@ def test_autodeploy_nodeids_are_private():
)


def test_stateful_kv_cache_compare_nodeid_is_private():
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from test_common.session_reuse_hooks import _is_private_nodeid

assert _is_private_nodeid(
"kv_cache/test_kv_cache_v2_scheduler.py::TestKVCacheV2Llama::"
"test_chunked_prefill_eviction_block_reuse"
)
assert not _is_private_nodeid(
"kv_cache/test_kv_cache_v2_scheduler.py::TestKVCacheV2Llama::test_eviction_with_block_reuse"
)


def test_failed_item_fences_cached_pools(reuse_cache, monkeypatch):
"""After a failed item the next acquire must NOT reuse the cached pool."""
from test_common import session_reuse_hooks as hooks
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