Author: Rick Bischoff
Date: 10:33:04 08/12/03
Go up one level in this thread
Funny, I get something different:
Crafty v19.3
White(1): sd 6
search depth set to 6.
White(1): noise 1
noise level set to 1.
White(1): book off
book file disabled.
White(1): go
clearing hash tables
time surplus 0.00 time limit 30.00 (3:30)
depth time score variation (1)
1 0.00 0.25 1. e4
1-> 0.02 0.25 1. e4
2 0.02 -- 1. e4
2 0.02 -0.19 1. e4 e5
2-> 0.03 -0.19 1. e4 e5
3 0.03 0.05 1. e4 d5 2. Nc3 dxe4 3. Nxe4
3 0.03 0.11 1. d4 d5 2. Nf3
3-> 0.06 0.11 1. d4 d5 2. Nf3
4 0.06 -0.19 1. d4 d5 2. Nf3 Nf6
4-> 0.08 -0.19 1. d4 d5 2. Nf3 Nf6
5 0.09 0.07 1. d4 d5 2. Nf3 Nf6 3. Bf4
5 0.10 0.08 1. e3 e5 2. Nf3 Nc6 3. Nc3
5-> 0.11 0.08 1. e3 e5 2. Nf3 Nc6 3. Nc3
6 0.18 -0.23 1. e3 Nc6 2. Nf3 d5 3. d4 Nf6 <HT>
6 0.21 -0.19 1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5
6-> 0.27 -0.19 1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5
time=0.29 cpu=51% mat=0 n=32470 fh=86% nps=111k
ext-> chk=288 cap=189 pp=0 1rep=6 mate=0
predicted=0 nodes=32470 evals=16967
endgame tablebase-> probes done=0 successful=0
hashing-> 41%(raw) 32%(depth) 3%(sat) 83%(pawn)
hashing-> 0%(exact) 19%(lower) 0%(upper)
On August 12, 2003 at 13:22:32, Brian Richardson wrote:
>On August 12, 2003 at 12:03:15, Robert Hyatt wrote:
>
>>On August 12, 2003 at 06:23:26, macaroni wrote:
>>
>>>Hi,
>>>in an alpha-beta search, with hash tables, null moving, history heuristic,
>>>killers, pvs search, quiescent search, and itterative deepening.
>>>about how many nodes would one expect after a 6 ply search from the opening
>>>position, I get 13,000, is this way to many? or about right.
>>>Also, about how much extra performance would one expect from killers? I seem to
>>>get a really marginal increase, what replacement scheme is good for killers?
>>>thanks.
>>
>>
>>I get 42,000 as a reference. 13,000 may well be reasonable depending on how
>>you extend in the search.,
>
>This seems odd. I get only 1667 nodes with Crafty v19.3
>(and only slightly more with mt=1):
>
>
>Crafty v19.3 (2 cpus)
>
>White(1): sd 6
>search depth set to 6.
>White(1): noise 1
>noise level set to 1.
>White(1): go
> clearing hash tables
> time surplus 0.00 time limit 22.50 (3:30)
> depth time score variation (1)
>starting thread 1
> 1 0.00 0.25 1. e4
> 1-> 0.00 0.25 1. e4
> 2 0.00 0.43 1. e4 e5 <HT>
> 2-> 0.00 0.43 1. e4 e5 <HT>
> 3 0.00 0.43 1. e4 e5 <HT>
> 3-> 0.01 0.43 1. e4 e5 <HT>
> 4 0.01 0.43 1. e4 e5 <HT>
> 4-> 0.01 0.43 1. e4 e5 <HT>
> 5 0.01 0.43 1. e4 e5 <HT>
> 5-> 0.01 0.43 1. e4 e5 <HT>
> 6 0.01 0.43 1. e4 e5 <HT>
> 6-> 0.01 0.43 1. e4 e5 <HT>
> time=0.01 cpu=200% mat=0 n=1667 fh=94% nps=10k
> ext-> chk=1 cap=1 pp=0 1rep=1 mate=0
> predicted=0 nodes=1667 evals=853
> endgame tablebase-> probes done=0 successful=0
> SMP-> split=6 stop=0 data=2/32 cpu=0.02 elap=0.01
>
>White(1): e4
> time used: 0.01
>learning position, wtm=1 value=43
>Black(1):
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