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From: Phil Blundell <pb@pbcl.net>
To: Khem Raj <raj.khem@gmail.com>
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On Tue, 2016-02-02 at 22:17 -0800, Khem Raj wrote:
> -pipe does speed up build time so its an optimization. 

How much does it really speed it up by?  I seem to recall the effect was
fairly negligible, but maybe I am remembering that wrong.

p.