Re: [HACKERS] sbufdesc' padding... - Mailing list pgsql-hackers

From Thomas G. Lockhart
Subject Re: [HACKERS] sbufdesc' padding...
Date
Msg-id 3662C798.B0EF27CC@alumni.caltech.edu
Whole thread Raw
In response to sbufdesc' padding...  (Vadim Mikheev <vadim@krs.ru>)
Responses Re: [HACKERS] sbufdesc' padding...  (Bruce Momjian <maillist@candle.pha.pa.us>)
List 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...
                   - Tom


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