-
Type:
Enhancement
-
Resolution: Fixed
-
Priority:
P2
-
Affects Version/s: 17, 20, 21
-
Component/s: hotspot
-
b07
-
x86, x86_64
-
generic
| Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
|---|---|---|---|---|---|---|
| JDK-8310607 | 17.0.9-oracle | Tobias Hartmann | P2 | Closed | Fixed | b01 |
| JDK-8310210 | 17.0.9 | Paul Hohensee | P2 | Resolved | Fixed | b01 |
A performance degradation was noticed with the AVX-512 implementation of CRC32C versus the AVX2 version for buffer sizes < ~512 bytes. Bring the AVX-512 version up to par with AVX2 for small buffers.
- backported by
-
JDK-8310210 Accelerate AVX-512 CRC32C for small buffers
-
- Resolved
-
-
-
- Closed
-
- links to
-
Commit
openjdk/jdk17u-dev/91815351
-
Commit
openjdk/jdk/7c2f77a4
-
Review
openjdk/jdk17u-dev/1346
-
Review
openjdk/jdk/12079
(1 links to)