Subject | Re: [IBO] Re: FW: IBO seems slower for some things compared with the BDE |
---|---|
Author | Daniel Rail |
Post date | 2003-07-03T08:58:46Z |
Hi,
At July 3, 2003, 05:20, Rhett Rodewald wrote:
is that it's not the only performance improvement in FB 1.5. Let me
name a few improvements other than the indexes on the system tables:
improved optimizer for data retrieval, sort files uses physical RAM
before HD, tweakable thread scheduler(so that a long running query
will not slow down another connection), improved memory management,
short-circuit boolean evaluations of the WHERE clause conditions(FB
1.0 and Interbase does a full boolean evaluation).
--
Best regards,
Daniel Rail
Senior System Engineer
ACCRA Group Inc. (www.accra.ca)
ACCRA Med Software Inc. (www.filopto.com)
At July 3, 2003, 05:20, Rhett Rodewald wrote:
> I understand why 1.5 is so much faster, what I want to know is, "CanYou might not see the same performance improvements. The reason being
> I speed up 1.0 similarly?"
is that it's not the only performance improvement in FB 1.5. Let me
name a few improvements other than the indexes on the system tables:
improved optimizer for data retrieval, sort files uses physical RAM
before HD, tweakable thread scheduler(so that a long running query
will not slow down another connection), improved memory management,
short-circuit boolean evaluations of the WHERE clause conditions(FB
1.0 and Interbase does a full boolean evaluation).
--
Best regards,
Daniel Rail
Senior System Engineer
ACCRA Group Inc. (www.accra.ca)
ACCRA Med Software Inc. (www.filopto.com)