Author: Jouni Uski
Date: 04:06:04 01/09/01
Go up one level in this thread
On January 09, 2001 at 06:47:16, Ulrich Tuerke wrote: >On January 09, 2001 at 06:18:29, Steffen Jakob wrote: > >>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. > >Come on, 5-10 seconds ! This must be massive hard disk access. A "memset" for >hundreds of MB can't take that long. It's not hard disk access - I have 192MB RAM installed and disk LED is not blinking either. Jouni
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