Re: narwhal and PGDLLIMPORT

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: narwhal and PGDLLIMPORT
Date: 2014-02-04 23:02:46
Message-ID: 52F17196.6030702@dunslane.net
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On 02/04/2014 05:47 PM, Tom Lane wrote:
> Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
>> On 02/04/2014 03:08 PM, Jeff Janes wrote:
>>> Having an AMI would help, but even with an AMI in place, MinGW is
>>> still insanely slow. Running "make" on already made PostgreSQL (so
>>> there was nothing to actually do) takes 1.5 minutes. And a make after
>>> a "make clean" takes half an hour. This is on an actual desktop, not
>>> an AWS micro instance. So doing a git bisect is just painful. Is the
>>> MSVC build faster?
>> Would have to check with the same build options (cassert and debug have
>> major timing effects.) I agree it's not lightning fast like "make -j 4"
>> on a decent linux box.
> I wonder if ccache exists for Mingw. That thing makes a huge difference
> in the perceived build speed ...
>
>

Indeed. But it's not really, AFAIK. Certainly it's not in the list of
packages known to mingw-get on the machine i checked on (jacana).

cheers

andrew

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