Author: K. Burcham
Date: 07:28:09 08/27/02
I am not clear on these questions: 1. when does a program write to hash? 2. when does a program write to the hard drive? 3. when does a program write to ram separate from the hash? 4. If a pc has 512 megs ram, If we set hash at 64 megs, what happens when hash gets full? 5. lets say a program stays in book for 15 moves, is the program accessing only the hard drive to play book moves? Or Is this info moved to ram first and then the program plays the book from ram? 6. In the middle game after book, I assume this is when the program starts to store info from analysis. during this period, what is being read/write to the hard drive before the hash is full? 7. In the middle game after book, what is being read/write to the hard drive after the hash is full. 8. In the middle game after book, if we set the hash at 64 megs, and then this fills, will the program just use more of the ram, or will it store analysis directly to the hard drive? 9. what were programs doing with analysis before hash tables? did all this analysis set in ram? did the operating system manage this info as needed, and move the stored analysis to the hard drive as the ram filled? 10. if we set up two identical computers, running same program on each. set up same test position on both. computer A with hash tables and computer B without hash tables. how do these two compare, what memory are they using and when. In other words when exactly, will a hard drive speed increase also speed up a chess program and why? some will say go study on the internet. i have at many sites. i cannot find answers to these type of questions. if you know a site that answers these questions, please let me know, i will go there and study. thanks kburcham
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