Re: [HACKERS] sbufdesc' padding...

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От Bruce Momjian
Тема Re: [HACKERS] sbufdesc' padding...
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Msg-id 199812020130.UAA08555@candle.pha.pa.us
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Ответ на Re: [HACKERS] sbufdesc' padding...  ("Thomas G. Lockhart" <lockhart@alumni.caltech.edu>)
Список pgsql-hackers
> > * ... this hack cut 10% off of the time to create the Wisconsin
> > * database! It eats up more shared memory, of course, but we're
> > * (allegedly) going to make some of these types bigger soon 
> > * anyway... -pma 1/2/93
> > This is not true now:
> > #define BufferDescriptorGetBuffer(bdesc) ((bdesc)->buf_id + 1)
> > Comments ?...
> 
> Does that mean that we have re-introduced the slower allocation
> technique sometime since 1993? 10% speed improvement for some operations
> seems interesting...
> 

No, just the way of computing the padding has changed.

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