JDK-8134553 : CRC32C implementations for x86/x64 targets
- Type: Enhancement
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 9
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: x86
- Submitted: 2015-08-26
- Updated: 2019-03-20
- Resolved: 2015-09-17
The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 9 |
|---|
9 b89Fixed  |
Related Reports
|
Relates :
|
|
|
Relates :
|
Description
Efficient use of a crc32 hardware instruction by division of a problem to a predefined chunks of an increasing size and further by 3 to be computed hiding instruction latencies. Changes for x86 deliver up to 8x improvement vs. legacy java library, x64 deliver up to 16x improvement.
Comments
|