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Topic: Multibeam has arrived - please upgrade! (Read 2468 times)
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Furex
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Karma has a funny way of getting even, you know... I don't get it - what do you mean? |
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Logged
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Caro m' è 'l sonno, e più l'esser di sasso,
Mentre che 'l danno e la vergogna dura:
Non veder, non sentir, m' è gran ventura;
Però non mi destar, deh! parla basso |  |
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Josef W. Segur
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... With 2.2B I had a 62.40 WU in ~3,800 seconds. (True angle range: 0.426461) Now with 2.4, 54.16 Credits for ~5,700 seconds. (True angle range: 0.405621) Or now the changed multiplier has SO LARGE effects??    ... Yes, the difference in credits is due to the changed multiplier, and 0.426 Line feed work done with the new apps will also earn credits in the mid 50's. The difference in crunch time is because the 0.426461 is a Line feed WU, while the 0.405621 is a Multibeam WU. Most users have noticed that Line feed WUs below 0.664 angle range have a much better credit/time ratio than those above that. The reason is that Pulse finding at 8192 FFT length isn't done above that, so the FLOP count drops abruptly, but crunch time doesn't decrease much. The 0.664 angle range is 8 times the Line feed beam width of 0.083. For Multibeam the same effect occurs at angle range 0.4 because it has a beam width of 0.05. Sometime we'll get MB WUs with angle ranges below 0.4, there should be quite a few already in the data that's been gathered. They'll "pay" better. Joe |
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Pages: 1 [2] 
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Quote!
If there is a possibility of several things going wrong, the one that will cause the most damage will be the one to go wrong.- Murphy's Law
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