Distributed build overhead and Mac Mini vs XServe pricing
Distributed build overhead and Mac Mini vs XServe pricing
- Subject: Distributed build overhead and Mac Mini vs XServe pricing
- From: Andrew Kimpton <email@hidden>
- Date: Fri, 14 Jan 2005 12:57:41 -0800
The launch this week of the new Mac Mini had be doing some back of
envelope math and small benchmarking.
I benchmarked building one of our larger libraries on a 1.5GHz PowerBook
G4 : and got an average build time of 395 seconds. I Build the same
library on my dual 2GHz G5 and got an average build time of 160 seconds.
So it would appear that the G5 is approx 2.5 times faster than the
PowerBook.
Extrapolating from these numbers a little would give 474 seconds for a
1.25Ghz G4 and 140 seconds for dual 2.3 GHz G5 or a scale of 3.4 times
faster.
Sooo.... an XServe Cluster node with RRP of $2999 is 3.4 times faster
than a Mac Mini with an RRP of $499, BUT the XServe is 6 times more
expensive !
I don't think the gigabit ethernet is that much of a contributing factor
in a distributed build (vs. 100Mbit) but are the overheads of
distributing to 6 machines vs. 1 machine more than the apparent cost
savings (or performance benefit from buying more machines for the same
money).
Anyone have any other data on the build overhead as the number of
machines increases ? Or am I just trying to hard to justify building a
stack of Mac Mini's on my desk 8-)
Thanks
Andrew 8-)
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