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Anyone running dual core?

Anyone running a dual core CPU? Does it run as smooth as an SMP system? (No "little lockups" in Windows)

Philo
Permalink Philo 
January 3rd, 2006
I've got an AMD64 X2, and it's as smooth as the proverbial infant's ass.
Permalink Mat Hall 
January 4th, 2006
I'm running a Pentium D 3.2 GHz w/ 4 GB of RAM (though only 3.24GB show up due to WinXP being mongoloid) that I had built to order last summer.

I'm very happy performance-wise. I've had one or two silent instantaneous reboots (WinXP's version of BSOD) since I got it, but those generally have happened after it's been running for several days doing a lot of work.
Permalink possibly maybe 
January 4th, 2006
"silent instantaneous reboots"

Win+Break (or right click "My Computer" and select "Properties"), go to the "Advanced" tab, click "Settings" in the "Startup and Recovery" section, and uncheck "Automatically restart" -- you'll get the BSODs back, which may tell you something useful in the event of a problem.

(Never understood why XP defaulted to no BSOD -- what's more alarming and/or helpful to a consumer -- a giant error message, or their machine just inexplicably turning off and on again?)
Permalink Mat Hall 
January 4th, 2006
Thanks for the info Mr. Hall.
Permalink possibly maybe 
January 4th, 2006
>(Never understood why XP defaulted to no BSOD -- what's more alarming and/or helpful to a consumer -- a giant error message, or their machine just inexplicably turning off and on again?)

I've only ever had this happen once, and when it did, after the restart, I got an error window saying "Sorry, Windows had to restart, everything was horribly broken", and then, after sending the error report to Microsoft, another window saying "This was a fault in your video drivers, go here to download a patch".

How sweet is that?
Permalink Matthew Wilson 
January 4th, 2006
It would be sweeter if things didn't break down...
Permalink Flasher T 
January 4th, 2006
I recently got an AMD X2 4800 box and it's every bit as smooth as any of my SMP boxes. It's nice to know that the Data Execution Protection is there too.
Permalink r1ch 
January 4th, 2006
On a server? I've seen problems with SQL server where reports took four hours instead of twenty minutes if Hyperthreading was switched on.
As far as I can tell, if you don't thrash the cache there is a performance benefit but you really need to test and measure.

http://hardware.slashdot.org/article.pl?sid=05/11/19/1358218&tid=118&tid=126&tid=137

Where the slashdotters changed me to a citrix consultant (grr...).
Permalink Peter Ibbotson 
January 4th, 2006
After being married for 22 years, I still have 2 testicles.

Does that count?
Permalink hoser 
January 4th, 2006
Hyperthreading != dual core.

Philo
Permalink Philo 
January 4th, 2006
True philo, I was told the current generation of chips split the cache dynamically across the two processors hence you can get the same set of problems.

The Intel website implies that each core gets it's own 1Mb of L2 cache so I'm probably very wrong.

Apologies.
Permalink Peter Ibbotson 
January 4th, 2006

This topic was orginally posted to the off-topic forum of the
Joel on Software discussion board.

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