[webkit-dev] Growing tired of long build times? Check out this awesome new way to speed up your build... soon (HINT: It's not buying a new computer)

[Maciej Stachowiak]

> On Aug 29, 2017, at 5:54 PM, Sam Weinig <weinig at apple.com> wrote:
> 
> 
> 
>> On Aug 29, 2017, at 12:46 PM, Geoffrey Garen <ggaren at apple.com <mailto:ggaren at apple.com>> wrote:
>> 
>>> This isn’t the scenario I find myself in most often.  A much more common scenario is working on a change; touch one or two files, and then compile and test/debug.  Rinse and repeat.
>> 
>> We’ve already tested this case. The worst case slowdown, if you touch a small file that's in the same bundle as the biggest .cpp file in the project, is 6s => 7s (20%).
>> 
>> Geoff
> 
> I see larger than ~6 second build times with this scenario, not measure scientifically, but I would approximate it more around 20 - 30 seconds. Do you expect the 20% to scale linearly?

Is that just compile time or total build time including build system overhead? I found that for single-file builds the compile step is less than half the total time.


> 
> 
> In a completely other direction, what does this mean for use of Xcode? Can we still build from Xcode? Debug?
> 
> - Sam
> 
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