New subfield search

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Profile Aurel
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Message 1886 - Posted: 7 May 2017, 19:35:19 UTC - in response to Message 1843.  

Even PRP test can create false results, most likely due to hardware issues. Even the software can create false results, but it´s very very rare.
For example: Over all I created over 250 million unique primes with 0 false results (<1,4 Million digits)

Tests with higher FFT size were more susceptible to interference.
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Profile Vitaly

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Message 1891 - Posted: 21 Jun 2017, 11:01:39 UTC - in response to Message 1886.  

It looks like we move forward faster for "Search 4" than for "Search 3"
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Profile Eric Driver
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Message 1892 - Posted: 21 Jun 2017, 16:09:57 UTC - in response to Message 1891.  

Yes, that is because subfield 4 is complex, which allows for tighter search bounds compared to real subfields. It is already on the 12th of 16 tiers and has caught up to the search over subfield 3.
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