Horton

Re: xlc atomics

Craig Ringer <craig@2ndquadrant.com>

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From: Craig Ringer <craig@2ndquadrant.com>
To: Andres Freund <andres@anarazel.de>
Cc: Noah Misch <noah@leadboat.com>, Andres Freund <andres@2ndquadrant.com>, Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Peter Geoghegan <pg@heroku.com>, Pg Hackers <pgsql-hackers@postgresql.org>, Ants Aasma <ants@cybertec.at>
Date: 2016-02-16T03:47:32Z
Lists: pgsql-hackers 
On 5 July 2015 at 06:54, Andres Freund <andres@anarazel.de> wrote:


> I wrote this entirely blindly, as evidenced here by the changes you
> needed. At the time somebody had promised to soon put up an aix animal,
> but that apparently didn't work out.
>

Similarly, I asked IBM for XL/C for a POWER7 Linux VM to improve test cover
on the build farm but was told to just use gcc. It was with regards to
testing hardware decfloat support and the folks I spoke to said that gcc's
support was derived from that in xl/c anyway.

They're not desperately keen to get their products out there for testing.


-- 
 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Commits

  1. Avoid the use of a separate spinlock to protect a LWLock's wait queue.

  2. Improve LWLock scalability.

  3. Reduce the number of semaphores used under --disable-spinlocks.

  4. Alter the configure script to fail immediately if the C compiler does not