From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, 1/2] common: Add CCACHE variable to allow use of ccache
Date: Fri, 23 Aug 2013 05:05:42 +0200 [thread overview]
Message-ID: <201308230505.42540.marex@denx.de> (raw)
In-Reply-To: <5216A742.8000006@freescale.com>
Dear York Sun,
> On 08/22/2013 12:36 PM, Marek Vasut wrote:
> > There is an env variable to configure separate ccache cache dir , so just
> > by setting that. But then , when each build ends, you would need to
> > clean it up somehow. It was mentioned in the discussion with the patch.
> > You can try working on this some more and post a patch, then we can talk
> > about further forging of this.
>
> I fixed the 2nd patch and I am running MAKEALL with individual board
> folder for ccache. The compiling time for the first run on my laptop is
> 56 minutes. The 2nd run is 23 minutes. About the same improvement if
> using a big unified cache for all boards. By the way, each board cache
> is about 7~8MB.
>
> You set my expectation high. I was hoping to get 10x or more improvement.
It should be more, try checking if there is no bottleneck.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-08-23 3:05 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-20 17:25 [U-Boot] [PATCH 0/2] Add ccache support Marek Vasut
2013-05-20 17:25 ` [U-Boot] [PATCH 1/2] common: Add CCACHE variable to allow use of ccache Marek Vasut
2013-05-21 12:39 ` Wolfgang Denk
2013-05-21 15:04 ` Marek Vasut
2013-08-21 23:39 ` [U-Boot] [U-Boot, " York Sun
2013-08-22 2:51 ` Marek Vasut
2013-08-22 3:42 ` sun york-R58495
2013-08-22 5:02 ` Marek Vasut
2013-08-22 5:45 ` sun york-R58495
2013-08-22 5:54 ` sun york-R58495
2013-08-22 19:36 ` Marek Vasut
2013-08-23 0:05 ` York Sun
2013-08-23 3:05 ` Marek Vasut [this message]
2013-08-23 20:19 ` York Sun
2013-05-20 17:25 ` [U-Boot] [PATCH 2/2] common: Use separate dirs for each board for ccache Marek Vasut
2013-05-20 18:09 ` Marek Vasut
2013-05-21 12:45 ` Wolfgang Denk
2013-05-21 15:05 ` Marek Vasut
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