Author: Artem Pyatakov
Date: 01:00:21 02/13/02
Hello everyone! I have not posted here in a while, because of all the work, but here goes. I am currently working on a research paper that compares the performance of various processors combined with various compilers - in particular, I am attempting to identify the weaker areas of each chip and compiler as related to bit-board-based chess programs. I would like to use many detailed "profiles" of Crafty (gproff, MSVC performance analyzer, NuMega, etc.) to get an idea of different areas in which these compilers and chips over/underperform. That's where I need help - I don't really have access to any modern computer (I just have a 450 MHz PII), and I know that people on this site must have done profiles of Crafty (or can do them), so if you could post some of them here, I would really appreciate that. To be more precise, the best profile would come from running Crafty from an initial position to a certain depth OR solving an EPD. To emphasize, I do not just want the kNPS for the program, I actually want a detailed profile of the run - which functions where called how many times and how much % of total running time did they take (or some analogue of that). The most valuable results would be those comparing something like gcc results with results of MSVC, but others are also very appreciated. I appreciate ALL the help in advance - I think that once we compare these results, it will point to specific weaknesses of each compiler and architecture and hopefully help us build better compilers + chips. Thanks. Artem P.S. If you are reluctant to post a large profile on-line please feel free to just e-mail it to me (pyatakov@princeton.edu)
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