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Bug
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Resolution: Unresolved
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P4
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20, 21, 24
The SERT::memory:capacity workload have ~5% score drop for branches jdk-20+13 vs jdk-20+12. The score change for the Cascade Lake looks like:
jdk-20+12
Capacity3_Base | 1,426,776.650
Capacity3_Max | 9,820,561.590
jdk-20+13
Capacity3_Base | 1,333,569.085
Capacity3_Max | 9,178,183.111
This drop was introduced by the fix for the issue "JDK-8290025 Remove the Sweeper"
On the CPU event level this drop looks as ~30% increase for L1I cache miss (per txn from 1,229.0761 to 1,579.9862) and ~30% increase for the "ITLB large page misses" (per txn from 0.0006 to 0.0008)
jdk-20+12
Capacity3_Base | 1,426,776.650
Capacity3_Max | 9,820,561.590
jdk-20+13
Capacity3_Base | 1,333,569.085
Capacity3_Max | 9,178,183.111
This drop was introduced by the fix for the issue "
On the CPU event level this drop looks as ~30% increase for L1I cache miss (per txn from 1,229.0761 to 1,579.9862) and ~30% increase for the "ITLB large page misses" (per txn from 0.0006 to 0.0008)
- relates to
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JDK-8290025 Remove the Sweeper
- Resolved