AMD64 and newton ?

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AMD64 and newton ?

Postby arkeon » Fri Jul 31, 2015 10:41 am


I have an user that fail to start the application.
It appears that the issue come from the newton world initialization.

Is there any reason that could make the newton world creation to fail specially on an AMD processor ?

I don't have any computer that reproduce the issue (but only intel processor)

here my newton world class code
Code: Select all
   setUpdateFPS(desiredFps, maxUpdatesPerFrames);
  m_world = NewtonCreate();
  NewtonWorldSetUserData(m_world, this);

  // create the default ID.
  m_defaultMatID = new OgreNewt::MaterialID( this, NewtonMaterialGetDefaultGroupID( m_world ) );
  m_defaultAngularDamping = Ogre::Vector3(0.1f, 0.1f, 0.1f);
  m_defaultLinearDamping = 0.1f;
  m_debugger = new Debugger(this);
  m_triggerManager = new WorldTriggerManager(this);

   // set the default solve mode to be iterative the fastest
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Joined: Sat Sep 13, 2014 5:25 pm

Re: AMD64 and newton ?

Postby Julio Jerez » Fri Jul 31, 2015 12:02 pm

yes you may want to set comment out DG_SSE4_INSTRUCTIONS_SET in file
Code: Select all
#if (defined (_WIN_32_VER) || defined (_WIN_64_VER))
   #include <intrin.h>

I am surplice there are some many people that still have CPU that do no support dot product
with the next check in, I will move some of those defines to the command line.
I already did for AMP there are some system that do no have either.
Julio Jerez
Posts: 11039
Joined: Sun Sep 14, 2003 2:18 pm
Location: Los Angeles

Re: AMD64 and newton ?

Postby arkeon » Fri Jul 31, 2015 12:04 pm

ho great so this means I found the issue ^^
Yes they still have old computers in some countries ;)
Posts: 261
Joined: Sat Sep 13, 2014 5:25 pm

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