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Re: [T-Merge Patch] Lock build to reduce build time

From: Oto BREZINA <otik_at_printflow.eu>
Date: Thu, 28 Apr 2011 09:30:03 +0200

On 2011-04-28 08:53, Stefan Küng wrote:
> On Wed, Apr 27, 2011 at 23:22, Oto BREZINA<otik_at_printflow.eu> wrote:
>> On 2011-04-27 22:22, Oto BREZINA wrote:
>>> second try
>>>
>>> It saves about 6 BuildAllScreen2ViewVector executions on start and
>>> about 5 calls per reload.
>>>
>>> This is first approach for review (you may suggest better names) to
>>> don't spend too much time with something wrong from base.
>> Same with:
>> Using array+enum instead of set of variables
>> Better handling of update of locator
> Haven't checked your patch yet (still in the office).
> But I had an idea on how to deal with this without using
> locks/counters/whatever:
>
> How about using a separate class for the screen/view vector. Access to
> the vector is controlled by the class methods. That way, you can just
> set a flag "rebuild necessary", and the vector is then rebuilt on the
> first read access.
> With such an implementation, the vector really is only rebuilt when necessary.
>
> Thoughts?
Sounds good to me, I did not want to make that big change just improve
actual code. Of course real solutions are better then hacks.
In fact "all" static attributes may be refactored out.
However this vector is needed for updating scrolls and other stuffs, so
not sure how it can be implemented properly ...

> Stefan

-- 
Oto BREZINA, Printflow s.r.o., EU
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Received on 2011-04-28 09:30:15 CEST

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