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Subject: The hashtable formula for Hiarcs 7.32

Author: Eran

Date: 11:09:24 06/13/99


Is the formula below correct?

HT[KB] = 0.2 * Pfreq[MHz] * t[s]

HT is the hashtable size in kilobytes, Pfreq is the clock speed of the processor
in MHz, and t the time available per move in seconds.

Example: Average time per move of 30 minutes (1800 seconds) on a Pentium 200
will require:

HT = 0.2 * 200 * 1800 = 72000 KB = 72 MB

Or

Example: Tournament games with an average of three minutes (180 seconds) per
move on a Pentium 200 will require:

HT = 0.2 * 200 * 180 = 7200 KB = 7.2 MB

However, Hiarcs 7.32 does retain information in the hashtable memory even
between moves.  So it sounds to me that the information is built up until full
in the hashtable memory while Hiarcs 7.32 is playing thru several moves ahead.
Is that correct?  Is Hiarcs 7.32 very smart with hashtable memory?

Eran



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