Cap nAttempts penalty at 8 and switch to pow instead of a division loop.
On hosts that had spent some time with a failed internet connection their nAttempts penalty was going through the roof (e.g. thousands for all peers) and as a result the connect search was pegging the CPU and failing to get more than a 4 connections after days of running (because it was taking so long per try).
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@ -67,9 +67,8 @@ double CAddrInfo::GetChance(int64_t nNow) const
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if (nSinceLastTry < 60 * 10)
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fChance *= 0.01;
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// deprioritize 50% after each failed attempt
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for (int n = 0; n < nAttempts; n++)
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fChance /= 1.5;
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// deprioritize 66% after each failed attempt, but at most 1/28th to avoid the search taking forever or overly penalizing outages.
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fChance *= pow(0.66, min(nAttempts, 8));
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return fChance;
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}
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