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Running a single core application on a dual core cpu?

By korrupt
Nov 26, 2006
  1. So I have a game called Soldier of Fortune 2: Double Helix. Its a single core game, but at current it is running using both cores. I'm asuming making it run off one core will warrant a significant performance increase, but I am clueless as to what to do.

    My CPU is a e6300

    Any replies appreciated:D

    Korrupt
     
  2. F1N3ST

    F1N3ST TS Rookie Posts: 596

    No it is the same performance, plus it dosnt overstress one core :)
     
  3. korrupt

    korrupt TS Rookie Topic Starter Posts: 716

    Are you certain? I was told by a computer guru that I would at least get 10% performance increase.
     
  4. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    "overstress one core"? Please explain..

    korrupt: open Task Manager, rght-click your SoF2 process and select "Set Affinity". Tick only one of your cores.
     
  5. korrupt

    korrupt TS Rookie Topic Starter Posts: 716

    Thanks:D

    Will this mean every time I start it it will run on single core, or do I need to do this every time? And in your opinion, will it increase performance?

    Korrupt
     
  6. Jesse_hz

    Jesse_hz TS Maniac Posts: 545

    Try starting the game with and without both cores enabled and both times open the console with the "~" key, then type in "/cg_drawFPS 1" and see if you get a difference. My guess = no.
     
  7. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    Yes, you have to do this every time you run the game. You need some third-party app to make it happen every time you run the game.

    Whether this makes things faster.. That is hard to say. Just try it and see what it does on your system. :)

    BTW, after setting the affinity, try setting the process priority to realtime too. That should make sure no other process can run on this "dedicated" core..
     
  8. F1N3ST

    F1N3ST TS Rookie Posts: 596

    I ran folding@home, and it ran on core #1, now that core is a constant 1-2C hotter than the other.
     
  9. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    Well, if you had run folding@home on both cores, they both would be 0.5-1C hotter?
     
  10. korrupt

    korrupt TS Rookie Topic Starter Posts: 716

    Hahaha Nodsu, that made me laugh:D
     
  11. wolfram

    wolfram TechSpot Paladin Posts: 1,967   +9

    And remember that Intel technology, something like "Shared cache".

    Since SOF2 uses only one core, then that core has 2MB of L2 cache available.
    And with AMD's, if you have a 3800+ X2 for example, each core has its own 512KB cache, so it would perform similar to a 3200+ Venice Athlon 64.

    Intel is smart :D
     
  12. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    Yay for trolling.
    Erm.. That 2M of shared cache is still trashed by all the other active processes on the second core. Where's the smarts in that?

    Not to mention that smaller cache = faster cache. So would you like sth big and slow shared with everything else or sth small and fast dedicated to you?

    Not to mention that the huge cache is there only because Intel CPUs lack the on-chip memory controller and the CPU-memory interface is horribly slow. AMD just doesn't need so much cache because it has a better design :)
     
  13. Jesse_hz

    Jesse_hz TS Maniac Posts: 545

    So korrupt, did it give any noticeable performance boost? Higher framerate? Faster load times? Anything?
     
  14. korrupt

    korrupt TS Rookie Topic Starter Posts: 716

    Not using the set affinity method no:(
     
  15. smore9648

    smore9648 TS Rookie Posts: 697


    Holy crap thats an old game, I use to have that one a couple years ago.
    Nice and bloody, thats the best kind
     
  16. smore9648

    smore9648 TS Rookie Posts: 697

    Very true indeed
     
  17. wolfram

    wolfram TechSpot Paladin Posts: 1,967   +9

    You're correct Nodsu. I agree that AMD has a better design. I don't know why Intel didn't use an on-chip memory controller. Much faster, less latencies, and it would be easier to choose a mobo :)
    And Intels would be even faster than AMDs :)
     
  18. Draetor24

    Draetor24 TS Rookie

    A little off-topic, but aren't the E6600 Intel chips blowing everything away in benchmarks, especially for gaming? How does that institute a bad design compared to AMD?

    I am an AMD enthusiast as well, I just state facts and go by real world performance rather than theory.
     
  19. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    The entire PC industry is an example of how an absolutely horrible design can be a success if enough money is thrown at it.

    Intel just happens to have the resources to apply better manufacturing technology and waste more silicon.
     
  20. sofplayer

    sofplayer TS Rookie

    I know this is an oldddd topic but I am kinda havin same problems
    it lags in game video is kinda blury when turning corners and fast movment
    I have a m2n-e SLI board with a dual core AMD 4000+,1 gig ram,nvidia 8500GT video card(going to 8600GT soon) please help
     
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