How much slower are numerics?

From: CSN <cool_screen_name90001(at)yahoo(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: How much slower are numerics?
Date: 2005-10-21 22:30:15
Message-ID: 20051021223016.95947.qmail@web52907.mail.yahoo.com
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Another thing I've always wondered about ;), as I use
numerics far more than floats. From the docs:

"However, arithmetic on numeric values is very slow
compared to the integer types, or to the
floating-point types"

How much slower are numerics? And why (I guess it has
to do with potentially different sizes)?

Thanks,
CSN


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