| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | "D(dot) Hageman" <dhageman(at)dracken(dot)com> |
| Cc: | mlw <markw(at)mohawksoft(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Spinlock performance improvement proposal |
| Date: | 2001-09-28 18:52:59 |
| Message-ID: | 200109281852.f8SIqxF10771@candle.pha.pa.us |
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| 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(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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