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hyper threading worth it for games? - Page 2

post #11 of 16
Thread Starter 
Quote:
Originally Posted by justarealguy View Post
Supposedly BF3 is going to utilize a whole bunch of extra threads.

Only time will tell.
Yes, I would like to see that.


Quote:
Originally Posted by sccr64472 View Post
Do you understand what HT is and what it does? The only programs that will benefit from HT are poorly written programs that leave a pipeline idle. With a well written program, HT will actually hurt performance. If anything, newer software should be worse than older software because you would think it's better written.
Quote:
Originally Posted by justarealguy View Post
Not only that, but if the program treats a thread as a core it'll load the same core with double the workload, leaving the others idle.

So... what does this mean. it is not beneficial?
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post #12 of 16
Quote:
Originally Posted by dagan View Post
Yes, I would like to see that.

So... what does this mean. it is not beneficial?
One core, two threads. Two threads are treated as two cores, load not split among cores evenly.

That's bad. Windows generally steps in and fixes this though.
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post #13 of 16
Thread Starter 
Quote:
Originally Posted by justarealguy View Post
One core, two threads. Two threads are treated as two cores, load not split among cores evenly.

That's bad. Windows generally steps in and fixes this though.
So if the operating system intelligently spread the threads to the cores, a thread that is harder to run are ran on the physical cores and easier ones to the logical core. This will benefit. If the operating system fails, or immaturraly puts the harder threads on to logical core, this is bad..

^ is what I understood from. If I am going with this. What do people think. Is it intelligently offloading the threads currently? on i7 line of hypterthreading or is it a only beneficiary on very controlled case?
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post #14 of 16
Quote:
Originally Posted by GingerJohn View Post
This. Restarting and changing BIOS every time you want to run something that actually takes advantage of HT isn't worth it for a possible 3-4% on some games.

I have an acquaintance (not really a friend as I don't really like him) who recently bought a 2600k, then disabled HT because he heard it was bad for games. He bought the 2600k because it was "better" than the 2500k...
I went with 2600K as well and will keep HT off most of the time as I play few games that get hurt by HT, but I will still use HT once per month or so when encoding. And 2600K also have +2MB cache over 2500K.
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post #15 of 16
Guys, GTA4 has been able to use more than four threads for YEARS.
That's why a stock core i7 was able to beat a QX9650 @ 4 ghz in that game.
The extra available threads were greatly helping overcome the cpu bottlenecks with high end video cards...

Someone already proved that GTA4 can use at LEAST six threads/verified:

Quote:
i just tested and noticed that i was useng about;
core1 = 95%
core2 = 90%
core3 = 86%
core4 = 75%
core5 = 72%
core6 = 68%

so in my opinion it uses al threats (even witout PhysX wich GTA IV doese'nt have x))
Taken from http://www.overclock.net/amd-general...ore-usage.html

I think there's another game that can also use more than four threads...don't remember which, though....
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post #16 of 16
i have test ht on and off in crysis warhehad .... when i set ht off , i can see my performance better than ht on , but it probably crysis only utlize 2 core... but anyway i dont see any beneficial now to turn on the ht , so i just leave off and lower the temperature
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