From: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
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To: | runner <runner(at)winning(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Significance of USE_FLOAT8_BYVAL ? |
Date: | 2011-02-25 18:48:34 |
Message-ID: | AANLkTi=989JRGEdUO0PoM94xAQ2zKiU5y=zyVraYiM62@mail.gmail.com |
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Lists: | pgsql-general |
On Fri, Feb 25, 2011 at 12:25 PM, runner <runner(at)winning(dot)com> wrote:
> I don't have a problem with blowing the database cluster away and starting
> over but I'd like to have a better understanding of what USE_FLOAT8_BYVAL
> does and how it affects our install. I spent a considerable amount of time
> googling this and was not able to locate any useful information that
> explains what this param does and how it will affect us.
it instructs the server to pass float8 (C double) by value instead of
by reference (double*). It's an architecture optimization thing.
Anyways, you really should do initdb when switching hardware,
architecture, o/s, etc.
merlin
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