This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

SMS scheduling


Hi, all

I tested the Swing Modulo Scheduling of GCC. For 
simple program, the numerical caculation of PI, it 
achieves significant speedup on IA64. But, for little 
bit complex programs, the SMS can hardly work out a 
successful schedule.

The algorithms implemented by Ayal and Mostafa are 
correct. It seems that the SMS itself is wrong. The 
schedule priority order calculated by SMS is much 
different from normal MinDist algorithm. Besides this, 
SMS is not sensitive to II. Is SMS really wrong?
  

Canqun Yang

Creative Compiler Research Group.
National University of Defense Technology, China.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]