Proth Prime Search (Sieve)

The PPS (Sieve) will be pausing soon. When the current buffer empties and all outstanding work has been completed and validated, we'll be switching applications from ppsieve to tpsieve. This will allow for combined sieving of both +1 and -1 forms. For more information, please see this thread. We hope to resume in less than a week. :)

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Looks like they increased the WU size by about 25%. Credits was also increased accordingly. Must be due to all the CUDA PPS work being done.