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From: Thomas Monjalon <thomas@monjalon.net>
To: "Mattias Rönnblom" <mattias.ronnblom@ericsson.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] DPDK and Link-time Optimizations
Date: Fri, 08 Nov 2019 15:31:44 +0100	[thread overview]
Message-ID: <2903525.fdzLKIPo8T@xps> (raw)
In-Reply-To: <3d280f7e-057f-a35c-bd2f-db401e46e110@ericsson.com>

29/04/2019 18:39, Mattias Rönnblom:
> If LTO builds would work "out of the box", DPDK could gradually migrate 
> from away from having static inline functions in the header files.
> 
> Those interested squeezing out as much performance as possible would 
> build with LTO (and static linking), and those applications who cared 
> more about independent upgrades would use dynamic linking and non-LTO 
> builds. With the extra cost of using DPDK as a shared library 
> (-fPIC-compiled code, more expensive TLS accesses etc), I'm guessing 
> this is the case already today.

That's an interesting point of view.

For info, LTO is merged now.

I would like to see some benchmarks about
LTO static vs shared vs shared without inlines.
Then we could decide what to do with inline functions.




      parent reply	other threads:[~2019-11-08 14:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-29 16:39 Mattias Rönnblom
2019-04-29 16:39 ` Mattias Rönnblom
2019-04-29 16:50 ` Stephen Hemminger
2019-04-29 16:50   ` Stephen Hemminger
2019-11-08 14:31 ` Thomas Monjalon [this message]

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