Horton

Re: [PORTS] Linux/Alpha patches for Postgresql 6.5.2

Ryan Kirkpatrick <pgsql@rkirkpat.net>

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From: Ryan Kirkpatrick <pgsql@rkirkpat.net>
To: Uncle George <gatgul@voicenet.com>
Cc: pgsql-hackers@postgreSQL.org, pgsql-patches@postgreSQL.org, pgsql-ports@postgreSQL.org
Date: 1999-09-21T00:18:54Z
Lists: pgsql-hackers 
On Sun, 19 Sep 1999, Uncle George wrote:

> Not its not. It is the 'cost' of the 'parsed' branch trees that are
> causing the final display to be slightly different. If one were to
> change the size of an 'internal' 'C struct' to be the same size of an
> 'i386' 'C struct' then the results are the same ( or at least make the
> sizeof() values the same ) then the results would be the same.
> 
> as for the differences in the 'off by a small fraction' is due to i386
> having 80bit float operations, and the alpha does 64bit float
> operations.  ( Both under the same ieee mandate to do the same
> algorithm) 
> gat

	Thank you for those clarifications.

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