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reactive backoff tuning

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liquidraver
2026-03-15 21:14:21 +01:00
parent 3bec5fedb9
commit 4ad8b13756
5 changed files with 57 additions and 18 deletions
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zephcore/src/ContentionTracker.cpp
+8 -4
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@@ -108,11 +108,15 @@ uint16_t ContentionTracker::getReactiveHeadroom(uint32_t hash32, uint32_t airtim
int idx = findEntry(hash32);
if (idx < 0) return 0;
uint32_t cap = (uint32_t)(_backoff_multiplier * (float)airtime_ms);
if (_ring[idx].reactive_added_ms >= cap) return 0;
uint32_t per_dupe = (uint32_t)(_backoff_multiplier * (float)airtime_ms);
if (per_dupe == 0) return 0;
uint32_t remaining = cap - _ring[idx].reactive_added_ms;
return remaining > 0xFFFF ? 0xFFFF : (uint16_t)remaining;
/* Hard cap on total reactive extension per packet */
if (_ring[idx].reactive_added_ms >= REACTIVE_HARD_CAP_MS) return 0;
uint32_t remaining = REACTIVE_HARD_CAP_MS - _ring[idx].reactive_added_ms;
if (per_dupe > remaining) per_dupe = remaining;
return per_dupe > 0xFFFF ? 0xFFFF : (uint16_t)per_dupe;
}
void ContentionTracker::addReactiveExtension(uint32_t hash32, uint16_t added_ms)