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: 2025-02-27
- Resolved: 2015-09-17
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| JDK 9 |
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9 b89Fixed  |
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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.
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