[vtkusers] Threads, MultiCore and VTK

[John Norris]

I'm developing on a Windows box (Pentium D with XP Professional).  VTK 
configured itself to use Win32 threads.  My class uses vtkMultiThreader, 
so porting won't be an issue (I hope).

John

Mike Jackson wrote:
> What threads package did you use?
> 
> On Mar 1, 2007, at 3:20 PM, John Norris wrote:
> 
>> Regarding #3, I created an abstract class 
>> vtkMultiGroupThreadedAlgorithm that automates multithreading, 
>> including intelligent handling of ProgressEvents (but not 
>> vtk[Debug|Warning|Error]Macros).  It works well, but I haven't done 
>> any kind of performance testing.  Also it only works on composite 
>> datasets, as you might guess from the name.
>>
>> Mike Jackson wrote:
>>> I was just wondering a few things about the subject matter. They are 
>>> kinda related but I'll just list my questions and kinda people can 
>>> comment:
>>> 1} With the advent of multi-core CPUs, can VTK take advantage of 
>>> these additional cores? Like I could if I was using MPI on a cluster?
>>> 2} If I were to start writing multi-threaded filters, what/whose 
>>> threads package should I use? Boost? Posix?
>>> 3} Has anyone written any multi-threaded filters that I could take a 
>>> look at?
>>> 4} What are the Gotchas of using threads with VTK?
>>> Thanks for any insight.

-- 
John Norris
Research Programmer
Center for Simulation of Advanced Rockets
http://www.uiuc.edu/ph/www/jnorris