Author: Steffen Jakob
Date: 03:18:29 01/09/01
Go up one level in this thread
On January 09, 2001 at 05:36:26, Ulrich Tuerke wrote: >On January 09, 2001 at 04:55:19, Jouni Uski wrote: > >>On January 09, 2001 at 04:08:38, Ulrich Tuerke wrote: >> >>>On January 09, 2001 at 03:09:39, Jouni Uski wrote: >>> >>>>If I am not complete wrong please note: >>>> >>>>Because Gandalf is so slow in NPS sense (about 1/4 of many top engines) it needs >>>>much less HASH table RAM than other programs and if You give too much HASH it >>>>weakens engine! So my recommendation: >>>> >>>> 500 Mhz PC 32MB >>>> 1000 Mhz PC 56MB >>>> >>>>The readme.txt to use 104MB for >128MB PC is not wise at all. >>>> >>>>Jouni >>> >>>I don't see, why "too much" hash could do any harm. >>>Uli >> >>I am not sure may be there is minor bug in hashing code. With 104MB (or similar) >>clearing of hash seems to take 5-10 seconds in my PC! > >This sounds weird. You shouldn't need 5-10 seconds for memory operations. >Perhaps your hash size is too close to your memory size and Windows starts >paging ? It depends if you simply clean the whole memory with zeroes or if you set a flag for each hash entry. In that case it is indeed better not to use large hash tables if you are low on time (e.g. in bullet games). Best wishes, Steffen.
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