From: | David Steele <david(at)pgmasters(dot)net> |
---|---|
To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Raspberry PI vs Raspberry PI 2: time to compile backend code |
Date: | 2015-02-24 05:42:07 |
Message-ID: | 54EC0F2F.2030402@pgmasters.net |
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Lists: | pgsql-hackers |
On 2/23/15 6:55 PM, Michael Paquier wrote:
> Hi all,
>
> This is a purely informational email...
> I have put my hands on a Raspberry PI 2, and I have found that it takes
> 6 minutes to compile the backend code using the 4 cores of the ARMv7
> processor, and close to 20 minutes on a single core (without ccache).
> The test has been done using ArchLinux ARM with a micro SD card of class
> 10 (said to be able to manage 50MB/s in write, 60MB/s in read).
> In comparison, the buildfarm machine hamster, which is a Rasp PI 1,
> takes close to 2 hours to do the same operation, using the same OS and a
> similar class 10 card (30MB/s but the I/O is not the bottleneck).
Nice! Looks like Moore's Law works even on tight budgets.
--
- David Steele
david(at)pgmasters(dot)net
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