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Date:   Thu, 4 Oct 2018 12:00:38 +1000 (AEST)
From:   Finn Thain <fthain@telegraphics.com.au>
To:     Leonardo Bras <leobras.c@gmail.com>
cc:     Robert Richter <rric@kernel.org>, lkcamp@lists.libreplanetbr.org,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
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        James Bottomley <James.Bottomley@hansenpartnership.com>
Subject: Re: [PATCH v3 0/7] Remove errors building drivers/DRIVERNAME
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On Wed, 3 Oct 2018, Leonardo Bras wrote:

> Both ccache and distcc seem very interesting, I will take my time to 
> study them better as they can solve some situations I face. Thanks for 
> sharing!
> 

You might also want to check out 'gcc -O0', 'gcc -fopt-info' and 'gcc 
--help=optimizers' etc to see if you can reduce the compute cost.

To reduce IO cost, my build tests always use 'make O=/some/path' where 
/some/path is on a tmpfs mountpoint.

HTH.

--