JDK-8184175 : Release Note: AVX-512 (AVX3) instructions set support
Type:Sub-task
Component:hotspot
Sub-Component:compiler
Affected Version:9
Priority:P1
Status:Closed
Resolution:Delivered
OS:generic
CPU:x86
Submitted:2017-07-11
Updated:2017-09-22
Resolved:2017-07-11
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.
JDK 9 will support code generation for AVX-512 (AVX3) instructions set on x86 CPUs, but not by default. A maximum of AVX2 is supported by default in JDK 9. The flag -XX:UseAVX=3 can be used to enable AVX-512 code generation on CPUs that support it.