[ODE] Running ODE in a thread

[Vrej Melkonian]

SOLVED!
There was an unintentional coding error on my part so
I was in fact running ODE in 2 threads, but I wanted
to run only in the worker thread.

What if I want to create many worker threads and run a
copy of ODE in them. Is there a solution for that?

Thanks for the replies


--- "Jon Watte (ODE)" <hplus-ode at mindcontrol.org>
wrote:

> 
> ODE is not thread safe. If you only ever call ODE
> from that other 
> thread, then it "might" be safe, but any problems
> you run into probably 
> will be new, exciting, and up to you to debug :-)
> 
> Also, note that ODE can be very stack hungry, and a
> new thread may not 
> get as much stack as the main thread. There are some
> defines you can 
> turn on to use malloc() instead of alloca() to make
> this less of a problem.
> 
> Cheers,
> 
> 			/ h+
> 
> 
> Vrej Melkonian wrote:
> > I tried running ODE in a separate thread (using
> > _beginthread) but it crashed after a couple of
> seconds
> > into the simulation.
> > 
> > I'm using ODE 0.5, compiled as a DLL, VC++6,
> > multithreaded DLL, debug version
> > 
> > ode\src\step.cpp, 
> > 
> >
>
//****************************************************************************
> > // an optimized version of dInternalStepIsland1()
> > 
> > void dInternalStepIsland_x2 (dxWorld *world,
> dxBody *
> > const *body, int nb,
> > 			     dxJoint * const *_joint, int nj, dReal
> > stepsize)
> > 
> > 
> > At the line
> > 
> > // no feedback is required, let's compute cforce
> the
> > faster way
> > MultiplyAdd1_8q1 (cforce + 8*b1->tag,JJ,
> > lambda+ofs[i], info[i].m);
> > 
> > where b1 is 0x00000000
> > 
> > Any ideas?
> > 
> > 
> > 		
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> > 
> > 
> 



		
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