Multicore Rendering

SammeySammey Join Date: 2012-06-14 Member: 153266Members, Reinforced - Shadow
in NS2 General Discussion
<div class="IPBDescription">Broken</div>Hey guys.

Somehow after build 226 multicore rendering doesnt work anymore like it used to.
It now actualy runs better without it. If I turn it on, it gives me mouselag, and my CPU is waiting for my GPU up to 8ms instead of 0ms.

I hear more people noticed this.. what happened since 226 with multicore rendering?
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Comments

  • DestherDesther Join Date: 2012-10-31 Member: 165195Members
    <!--quoteo(post=2007156:date=Nov 2 2012, 09:07 PM:name=Sammey)--><div class='quotetop'>QUOTE (Sammey @ Nov 2 2012, 09:07 PM) <a href="index.php?act=findpost&pid=2007156"><{POST_SNAPBACK}></a></div><div class='quotemain'><!--quotec-->It now actualy runs better without it. If I turn it on, it gives me mouselag, and my CPU is waiting for my GPU up to 8ms instead of 0ms.<!--QuoteEnd--></div><!--QuoteEEnd-->

    Multicore is CPU core right? So turning it on and having to wait for your GPU means your CPU got more efficient. What happens to your fps? I have multicore on and it takes me from ~30->40 fps idling.
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  • carlgmcarlgm Join Date: 2004-08-26 Member: 30907Members, Constellation
    Do you have vsync enabled?
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  • SammeySammey Join Date: 2012-06-14 Member: 153266Members, Reinforced - Shadow
    Vsync disabled ( I always turn it off in games, because it causes mouselag. I dont realy mind the screen tearing )

    My fps counter doesnt seem to change much with Multicore Rendering on/off. But when it is ON the fps I notice is not the fps r_stats is showing me. 60 fps feels more like 30 fps then..

    And again; this was not the case at 226 and the builds before. There it gave me a very good performance boost to turn Multicore Rendering ON..

    Very strange!
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  • dethovudethovu Join Date: 2009-06-23 Member: 67906Members
    <!--quoteo(post=2007156:date=Nov 2 2012, 05:07 PM:name=Sammey)--><div class='quotetop'>QUOTE (Sammey @ Nov 2 2012, 05:07 PM) <a href="index.php?act=findpost&pid=2007156"><{POST_SNAPBACK}></a></div><div class='quotemain'><!--quotec-->Somehow after build 226 multicore rendering doesnt work anymore like it used to.<!--QuoteEnd--></div><!--QuoteEEnd-->

    Finally! Someone else with this problem! (Sorry, I just thought I was the only one :)

    I started <a href="http://www.unknownworlds.com/ns2/forums/index.php?showtopic=123029" target="_blank">a thread in the Technical Support Forum</a> on this subject.

    I have found v-sync and multicore used together produces the problem. Disabling either one fixes it.

    When you have Multicore set to OFF, are all of your cores still being used? Mine are.
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  • dethovudethovu Join Date: 2009-06-23 Member: 67906Members
    <!--quoteo(post=2007203:date=Nov 2 2012, 05:34 PM:name=Sammey)--><div class='quotetop'>QUOTE (Sammey @ Nov 2 2012, 05:34 PM) <a href="index.php?act=findpost&pid=2007203"><{POST_SNAPBACK}></a></div><div class='quotemain'><!--quotec-->Vsync disabled<!--QuoteEnd--></div><!--QuoteEEnd-->

    Just as a test, enable v-sync -- does it fix it?

    It seems we have similar problems, but not the same -- when I disable v-sync, multicore doesn't produce the stuttering while enabled.
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