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new 620fece9 [TEST] Relax shared DAG hash scaling threshold (#702)
620fece9 is described below
commit 620fece9f8d81dded637cec9fc52e388f7bd0ae1
Author: Tianqi Chen <[email protected]>
AuthorDate: Wed Aug 5 07:40:16 2026 +0800
[TEST] Relax shared DAG hash scaling threshold (#702)
Relax the flaky shared-DAG `RecursiveHash` timing threshold and adjacent
explanation from 4x to 10x
---
tests/python/test_dataclass_hash.py | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tests/python/test_dataclass_hash.py
b/tests/python/test_dataclass_hash.py
index c3504cc3..a786bec9 100644
--- a/tests/python/test_dataclass_hash.py
+++ b/tests/python/test_dataclass_hash.py
@@ -862,12 +862,12 @@ def test_shared_dag_hash_scaling_not_exponential() ->
None:
RecursiveHash(d19)
t19 = (time.perf_counter() - t0) / repeats
- # With memoization this ratio should stay close to 1x. Threshold 4x leaves
+ # With memoization this ratio should stay close to 1x. Threshold 10x leaves
# buffer for microsecond-scale measurement noise (CI runs frequently see
# t18~4us, t19~8us where small jitter blows past a 2x ceiling) while
- # still catching true exponential blowup, which compounds far past 4x
+ # still catching true exponential blowup, which compounds far past 10x
# within a few depth steps.
- assert t19 <= t18 * 4.0, f"Unexpected super-linear scaling: d18={t18:.6f}s
d19={t19:.6f}s"
+ assert t19 <= t18 * 10.0, f"Unexpected super-linear scaling:
d18={t18:.6f}s d19={t19:.6f}s"
# ---------------------------------------------------------------------------
