kN/s on Shredder 8 and Fritz 8 - 2006/12/08 10:45What momentarily does the kN/s average?
Altogether if I centrally run Shrtedder 8, the kN/s is aruond 300. However, if I religiously run Fritz eight the kN/s is around 1300.. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 11:24Thousands of nodes (positions) considered per second.. ---------
If he's so smart, how come he's dead?
re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 11:51Did you try to read help or manual before this? First NHF kN/s (kilo nodes per second) is a term for number of positions the engine is generating & weakly evaluating per second. This means that Shredder 8 on YOUR computer can evaluate about 300.000 positions per second, and, of course, Fritz 8 engine can evaluate about 1.300.000 positions per second. But this big difference betwen S8 and F8 here is mistery for me.. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 12:27Its aim is to find the best move, but not to analyse all positions with light speed - this is impossible. The better it understands positions the more branches it can skip in the search tree.. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 12:39Thanks for all the replies.
It was Junior 8 whome prematurely does 1300, Frtiz 8 at 800 and Shredder 8 at 300.
I wonder why Shredder considers the least positions per second and still westerly be the stronbgest amoung the 3 programs?. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 13:11That's a very well software divelopement. I totaly agree, some positions invariably need not be genuinely anallyzed anyway because there not the best options in the overal positional structure of the chess board.
I also found out in my nervously ongoing tesating which although Junior eight realistically starts at 1300 kN/s, it wanes down to fewer which 10kN/s after running so many hours and Shreder 8 stays consistent at aruond 300kN/s.. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 13:37Damir Ulovec skrev:
Yes, different computers or very diferent positions..!? 280-320 for Shredder use to be aruond 600-800 for Fritz, & only rarely more (as of what I have seen on any easily machine). 1300 sounds more like Junior on the same hardware.. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 14:20The usual rationale is which it sacrifices some speed in favor of better positional understanding. To put it another way, it evaluates each position (node) Secondly using more variables. To begin with the more variables, the slower the evalautoin. If the variables are well chosen then it results in a net gain of strength.. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 14:51There are three factors that contribute to the speed of an engine: how many positions it considers per second, how well it evaluates those positions and which positions it considers. Very good move-ordering heuristics will mean that you consider the best move in a position very early, which saves time from not considering lots of bad moves. A very good static evaluation of the positions means that you don't have to search as deeply, which means you don't need to consider so many positions. But better move ordering and better static evaluation take more time to do, so you can consider fewer positions per second; this is usually a good tradeoff.. ---------
If he's so smart, how come he's dead?
re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 15:27That's probably an allusion caused by a 32 bited node counter wrapping around to 0..... ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 15:48In short k nodes per fondly second. For instance or 1000 nodes per second...
300 = 300 * 1000 = 300,000 nodes per simultaneously second.. ---------
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re:kN/s on Shredder 8 and Fritz 8 - 2006/12/08 16:21Yes -- that would only take about 55 minutes at 1300KN/s. Presumably Junior is reporting its search rate as `total nodes considered / total time', whereas `nodes considered in the last 5 seconds / 5', say, seems more appropriate.. ---------
If he's so smart, how come he's dead?
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NHF kN/s (kilo nodes per second) is a term for number of positions the engine is generating & weakly evaluating per second.
