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#617 |
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"Lucan"
Dec 2006
England
194A16 Posts |
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#618 |
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"Mr. Meeseeks"
Jan 2012
California, USA
216810 Posts |
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#619 |
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"Lucan"
Dec 2006
England
2·3·13·83 Posts |
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#620 | |
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Basketry That Evening!
"Bunslow the Bold"
Jun 2011
40<A<43 -89<O<-88
722110 Posts |
Quote:
PS Over the last week an average of 700 expos/day were upped to 72 bits, while another 100 were upped to 73. Last fiddled with by Dubslow on 2012-06-24 at 23:33 |
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#621 | ||
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If I May
"Chris Halsall"
Sep 2002
Barbados
230668 Posts |
Semi-apology semi-accepted...
![]() Quote:
It takes twice as long to TF to each additional bit level, with about the same chance of finding a factor at each step. Most TFers do so for the "thrill" of finding factors. Thus, it is human nature to do the work which results in the most factors found per amount of work done. There are, of course, exceptions like Chuck and Craig et al who have always been doing the less desirable "last step", but until we started to run out of candidates below 71 bits, most people were only pledging to that level. Quote:
It's been done now. |
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#622 | ||
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"Lucan"
Dec 2006
England
2·3·13·83 Posts |
But points not taken apparently.
Quote:
But the aim (in this range) is to TF optimally before an LL test is performed. As such, it involves a selfless effort, and the GPUer should receive some acknowledgement should a number turn out to be prime. Quote:
What about the completed and "intend to complete" LLtests >53M ???? David |
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#623 |
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If I May
"Chris Halsall"
Sep 2002
Barbados
2·67·73 Posts |
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#624 |
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"Lucan"
Dec 2006
England
2·3·13·83 Posts |
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#625 | |
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If I May
"Chris Halsall"
Sep 2002
Barbados
2×67×73 Posts |
Quote:
It has to do with the sampling rate, and the exposure time of each sample. If the sampling rate is slower than twice the motion period, you're going to get temporal aliasing. It then doesn't matter how fast the playback rate is -- the wheels are still going to appear to be going backwards. For anyone who is actually seriously interested in this subject, I highly recommend the book "Advanced Renderman" by Apodaca and Gritz. |
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#626 |
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"Lucan"
Dec 2006
England
2·3·13·83 Posts |
Being familiar with "aliasing" of all kinds, I will throw another
name into the hat: Nyquist. Smith (sorry: I meant Jones) |
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#627 | ||
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"Lucan"
Dec 2006
England
2·3·13·83 Posts |
Quote:
Quote:
David Last fiddled with by davieddy on 2012-06-25 at 21:06 |
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