Search found 3963 matches

by sje
Thu Mar 15, 2007 11:08 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Sixteen gigabytes
Replies: 9
Views: 7723

Re: Sixteen gigabytes

I am not sure that hashing results from non-recursive routines (such as evaluation) can give very much benifit: no matter how large your memory, hash probes are quite expensive, as they typically miss the cache, and a cache-line fill takes many hundreds of CPU cycles to perform, in which perhaps a ...
by sje
Thu Mar 15, 2007 10:59 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Sixteen gigabytes
Replies: 9
Views: 7723

Re: Sixteen gigabytes

You should be shamed of your self. Remember that the first computer ever built which occupied an entire city block and had over 50,000 vaccumm tubes only had 1,024 bytes of memory. Not only that they could only run it for a few minutes at a time before one or more tubes burned out. Bill One of my i...
by sje
Tue Mar 13, 2007 7:12 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Sixteen gigabytes
Replies: 9
Views: 7723

Sixteen gigabytes

Sixteen gigabytes is 17,179,869,184 bytes and it's the upper limit on RAM for my MacPro when loaded with eight times 2 GByte FB-DIMMs. That number is about eight thousand times the amount of memory available to the Chess 4.x program of some three decades ago, and some two million times more than the...