Re: Spinlock performance improvement proposal
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: "D. Hageman" <dhageman@dracken.com>
Cc: mlw <markw@mohawksoft.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2001-09-28T18:52:59Z
Lists: pgsql-hackers
> Save for the fact that the kernel can switch between threads faster then > it can switch processes considering threads share the same address space, > stack, code, etc. If need be sharing the data between threads is much > easier then sharing between processes. Just a clarification but because we fork each backend, don't they share the same code space? Data/stack is still separate. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026