Author: Vincent Lejeune
Date: 04:58:06 10/28/05
Go up one level in this thread
On October 28, 2005 at 05:42:05, vladan wrote: >On October 27, 2005 at 12:24:36, Ernest Bonnem wrote: > > >Dear Mr. Bonnem, > >It is very hard to find universal benchmark from all past, present and >future machines. > >Also, the speed and chess engine strength depends also on software (not >only hardware, clock etc.). Some compilers use some machine speed up >details, some don't. The same C chess engine, compiled with same compiler >under different parameters produces different speed and strength. > >I belive that Axon Benchmark gives solid and optimal hardware performance >ratings. Some other tests and benchmarks prove it also. Why not compile it in 64 bits ? That should give a more realistic vision of the current processors speed. > >Regards, > >Vladan > >ps. Thanks Djordje for some good explanations abou Axon Benchmark. > > > > > > > >>For some reason, your Axon Benchmark only gives a 10-12% advantage to Athlon 64 >>compared to Athlon XP (given the same frequency). >>From the tests I have seen in the CCC Forum, with different chess programs, the >>advantage is more like 20% (see also the FritzMark, in kNodes/sec). >>Perhaps your Axon v1.0 chess engine is not representative of today's main chess >>programs... >> >> >>On October 27, 2005 at 06:04:29, vladan wrote: >> >>> >>>Dear mr. Nielsen, >>> >>> >>>Thank you for using Axon Benchmark. >>> >>>Mr. Sedat was very kind to collect and present the most completed Axon Benchmark >>>list on his site. >>> >>>For benchmarking, the program uses my embedded Axon v1.0 chess engine, and >>>analyzes one special middlegame position. The engine is totally written in >>>assembly language, it is the mixture of 16 and 32 bit machine instructions. It >>>does not use MMX extensions, 64 instructions or other special processor features >>>(instruction sets, logic processors etc.). >>> >>>Only one standard processor in system (single CPU, primary and secondary hash) >>>is the test object. >>> >>>These facts determine its compatibility. It is very useful to test and compare >>>chess engines running only on single processors which have similar software >>>structure. Also it measures very precisely processor architecture advances >>>connected with chess engines. As you noticed FX 2600 MHz machine has 50% better >>>chess performances using only about 33% higher clock frequency. Better >>>architecture. And that’s it. >>> >>>If you intend to use multiprocessor engines (like Fritz or Shredder) on >>>multicore or multithreading processors you must use their own benchmarks. >>> >>>The method of using start position for benchmarking is a little obsolete. If you >>>do it in that way, it is much better to download some standard EPD tests. Almost >>>all modern interfaces (Shredder Classic, Arena, ChessBase …) have the option to >>>analyze EPDs with different engines. >>> >>> >>> >>> >>>Best regards, >>> >>> >>>Vladan Vuckovic, >>> >>>the author of Axon Benchmark.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.