Re: [HACKERS] sbufdesc' padding...
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] sbufdesc' padding... |
Дата | |
Msg-id | 199812020130.UAA08555@candle.pha.pa.us обсуждение исходный текст |
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. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
В списке pgsql-hackers по дате отправления: