[
https://issues.apache.org/jira/browse/IMPALA-6166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tim Armstrong resolved IMPALA-6166.
-----------------------------------
Resolution: Duplicate
> Investigate requiring support for newer instruction sets
> --------------------------------------------------------
>
> Key: IMPALA-6166
> URL: https://issues.apache.org/jira/browse/IMPALA-6166
> Project: IMPALA
> Issue Type: Task
> Components: Perf Investigation
> Reporter: Jim Apple
> Priority: Major
> Labels: compatibility, incompatibility
>
> There may be performance benefit to compiling with flags allowing the
> compiler to generate code for newer instruction sets like SSE4.1, AVX, CLMUL,
> and so on.
> There will probably be code simplification, as well. See cpu-info.h.
> We might consider doing this only at a new major version. It's also worth
> investigating (a) when the last chips without these features were shipped,
> and (b) if Xen, VirtualBox, and so on expose that true instruction sets
> available via /proc/cpuinfo - sometimes these are masked out
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
