In remote worker the equation for determining the limit of the next
group size is the following:
max_sync = ((last_sync_group_size * 110) / 100) + 1;
The 10% growth rate is far too small when the ideal rates are in the
hundreds or thousands. It takes far too many cycles to climb the tree.
Doubling the allowed size each round makes for far better results
without things getting out of hand when small groups are better.
max_sync = ((last_sync_group_size * 200) / 100) + 1;
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