Re: Distributed Building guidelines/benchmarks?
Re: Distributed Building guidelines/benchmarks?
- Subject: Re: Distributed Building guidelines/benchmarks?
- From: Prachi Gauriar <email@hidden>
- Date: Sun, 09 Nov 2003 13:56:14 -0600 (CST)
On Sun, 9 Nov 2003, Paul Haddad wrote:
> So I'm going to be upgrading to either a new powerbook 1.25 or a dual
> G5 from a powerbook 667. Increased compilation speed is my top goal
> for the upgrade, but since I spend probably 90% of my time coding on a
> pbook via 802.11b getting the Dual G5 isn't an easy choice. I've seen
> precious little information on how well the distributed building speeds
> up compilation specially over 802.11b/g.
>
> So given that the 1.25 pbook is almost exactly 2X as fast at
> compilation then my current machine I'm wondering what kind of speed
> bump I can expect by getting a 802.11g PCCard (maybe the 108Mbps
> netgear line assuming that works with X) and the Dual G5?
>
> Since I don't expect any easy answers to the above question can folks
> who have done any kind of testing/benchmarking on the new distributed
> build system post their impressions/numbers? Specially welcomed would
> be anyone building over 802.11g or from a slower machine to a dual
> G5...
I want to say that Apple Engineers at WWDC said you wouldn't see any major speed bumps unless you use a 100mbps network. This is because the distributed build system sends over all dependencies to build and then sends the result object files back. This was all in comparison to 10mbps network, so I'm not sure where the 802.11g network stands, but an 802.11b network will not have any benefits.
Again, this is all based on my memory, but I'm pretty sure it's correct.
-Prachi
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