Re: x86-64 and PostgreSQL - Mailing list pgsql-performance

From James H. Cloos Jr.
Subject Re: x86-64 and PostgreSQL
Date
Msg-id m3of6aewwg.fsf@lugabout.jhcloos.org
Whole thread Raw
In response to Re: x86-64 and PostgreSQL  (Ron Johnson <ron.l.johnson@cox.net>)
List pgsql-performance
>>>>> "Ron" == Ron Johnson <ron.l.johnson@cox.net> writes:

Ron> Also, since (at least on the gcc-3.2 compiler) a "long" and "int"
Ron> are still 32 bits (64 bit scalars are of type "long long"),

According to the draft x86-64 psABI¹, which is to become the
System V psABI for the x86-64 architecture, sizeof(long) == 8.

This does seem necessary as most code tends to presume that an
unsigned long can hold a pointer....

-JimC

¹ http://www.x86-64.org/abi.pdf

pgsql-performance by date:

Previous
From: Rudi Starcevic
Date:
Subject: subscribe
Next
From: "Seth Robertson"
Date:
Subject: Postgres 7.3.1 poor insert/update/search performance esp WRT Oracle