Re: Need for help!

From: Justin <justin(at)emproshunts(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Need for help!
Date: 2008-05-15 18:53:54
Message-ID: 482C86C2.4090106@emproshunts.com
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Tom Lane wrote:
> Justin <justin(at)emproshunts(dot)com> writes:
>
>> From every thing i have read about Hyper Threading, it should be just
>> turned off.
>>
>
> Depends entirely on what you're doing. I usually leave it turned on
> because compiling Postgres from source is measurably faster with it
> than without it on my dual-Xeon box. I'd recommend experimenting
> with your own workload before making any decisions.
>
> regards, tom lane
>
Sense PostgreSql is not a multi-threaded but a single thread
application which spawns little exe's how is hyper threading helping
Postgresql at all ??

To perfectly honest my programming skills with milti-threading apps is
non-existent along with Linux world but in the Windows world single
threaded apps saw no measurable performance boost but the opposite it
kill the apps performance and allot of multi-threaded apps also got
there performance smashed? And if you really kill performance turn on
HT running W2K?


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