On Mon, Jan 21, 2013 at 1:59 PM, Andrew Dunstan <andrew@dunslane.net> wrote:
>
> On 01/21/2013 08:11 AM, Dave Page wrote:
>
>>>
>>> I was never able to determine why the Windows instances were so much
>>> slower than the corresponding Linux instance of the same type.
>>
>> Full vs. para-virtualisation perhaps?
>>
>
> No, Windows builds just are slower. For some time the buildfarm has been
> reporting run times for various members, so there's plenty of data on this.
> For example, nightjar and currawong are respectively FreeBSD/gcc and
> WindowsXP/VC2008 members running in VMs on the same host. currawong takes
> three times as long for a buildfarm run even though it's doing less work.
Hmm, OK. I don't build PostgreSQL interactively enough to notice I
guess. For C++ it's definitely the other way round - I can build
pgAdmin in a fraction of the time in a Windows VM than I can on the
host Mac it runs on.
--
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake
EnterpriseDB UK: http://www.enterprisedb.com
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