Author: William Kerr
Date: 13:25:16 12/23/05
Hi All, Just some results from using Microsofts free Visual C++ Toolkit 2003. I have a test programm called TREE.cpp which is a tree searching program that uses alpha/beta, killer heuristic and iterative deepening to search a tree. Very simular to chess. In fact I also uses this program in my chess program. I used to compile this using Microsoft VC++ 6.0 default settings. I then used Microsofts free Visual C++ Toolkit 2003 to compile TREE.cpp and got a 3 to 1 speed improvement. When using Visual C++ Toolkit 2003 I compile for speed for Intel/AMD. One interesting observation is the number of clock ticks per node. A Intel P4 3.4 GHz takes 91 clock ticks per node, a 1.73 GHz Centrino takes 40 clock ticks per node. The Centrino executes 43,186,000 nodes per second whereas the P4 3.4GHz executes only 37,325,000 nodes per second. By comparison, a AMD XP3000+ running at 2.16Ghz executes 44,868,000 nodes per second with 48 clock ticks per node. Something to ponder Bill
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