Re: Query performance in 9.6.24 vs 14.10

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От David Rowley
Тема Re: Query performance in 9.6.24 vs 14.10
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Msg-id CAApHDvoLBOuoWyqPunAuOONCuvP2TuOpDvR8TACYCq6ZJiLmWQ@mail.gmail.com
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Ответ на Query performance in 9.6.24 vs 14.10  (Ron Johnson <ronljohnsonjr@gmail.com>)
Ответы Re: Query performance in 9.6.24 vs 14.10
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On Mon, 29 Jan 2024 at 07:37, Ron Johnson <ronljohnsonjr@gmail.com> wrote:
089.6.241,142.1641,160.8011,103.7161,249.8521,191.081
14.10159.354155.111155.111162.797158.15786.72%

Your speedup per cent calculation undersells PG14 by quite a bit.  I'd call that an increase of ~639% rather than 86.72%.

I think you've done "1 - sum( <14.10 numbers> ) / sum( <9.6.24 numbers>)" whereas I think you should have done "sum( <9.6.24 numbers>) / sum( <14.10 numbers> ) - 1"

Nonetheless, thanks for testing this out.  I assume this is just a report giving good feedback about progress in this area...?

David

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