Author: Bob Durrett
Date: 15:17:48 07/22/03
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On July 22, 2003 at 17:43:03, Matthew Hull wrote: >On July 22, 2003 at 17:27:37, Bob Durrett wrote: > >> >>While using Chessbase 8, I use an analysis engine. Until today, that analysis >>engine has been Fritz 8. Today I purchased Shredder 7 and ran Chessbase 8 using >>Shredder 7 as the analysis engine. After allowing the analysis engine to look >>at a position for a few minutes, I copied the Shredder line to the notation and >>then switched to Fritz 8. The question I have is whether or not the contents of >>the hash table used by Shredder would then be used by Fritz. The first thought >>would be that switching engines would erase the Shredder hash table(s) and set >>up new empty Fritz hash table(s). But does it have to be that way? > > >The hash table is part of the program's memory address space. Each program has >it's own address space. There is no sharing of this space between chess >engines. Most modern operating systems take care that one address space does >not access another program's address space, as this would defeat the goals of >system stability and program reliability in spectacular ways. > >Regards, >Matt Thanks. Bob D. > > >> >>Is there some simple test a user could perform to determine whether or not the >>two engines would use the same hash table where the contents put in by one >>engine would then be used by the other? >> >>Does this make any sense? >> >>Bob D.
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