Messages in this thread | | | Date | Fri, 13 Dec 2013 07:37:29 -0500 | From | Austin S Hemmelgarn <> | Subject | Re: [PATCH] expand micro-optimizations in kernel to newer model CPUs |
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On 2013-12-09 22:51, David Heidelberger wrote: > Hello, > > this patch is used in Gentoo geek-sources and mptcp-sources (and > probably in lot other kernel sources sets). So, there was lot testing. > > It's not _big_ performance difference, but -mtune=native is nice to have. > It could be great, if this kernel option could be fully utilized without > need of additional patching.
This really depends on how you define 'big'. Even a 1% performance increase is significant for a realtime system, and for someone with a cluster of systems, getting even a small improvement in performance on all of the systems could mean a huge increase in effective processing power.
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