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From: York Sun <yorksun@freescale.com>
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 13:19:37 -0700	[thread overview]
Message-ID: <5217C3D9.3030705@freescale.com> (raw)
In-Reply-To: <201308230505.42540.marex@denx.de>

On 08/22/2013 08:05 PM, Marek Vasut wrote:
> 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.
> 

I can send you the patch. Will you be able to test?

York

  reply	other threads:[~2013-08-23 20:19 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
2013-08-23 20:19                     ` York Sun [this message]
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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