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add random cap (1020-1220) and tighten cubic rate limit more

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Green Sky
2023-12-15 15:31:32 +01:00
parent 70cea0d219
commit ad918a3253
3 changed files with 18 additions and 3 deletions
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8
solanaceae/ngc_ft1/cubic.cpp
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@@ -84,11 +84,15 @@ int64_t CUBIC::canSend(void) {
// also limit to max sendrate per tick, which is usually smaller than window
// this is mostly to prevent spikes on empty windows
const auto rate = window / getCurrentDelay();
// assuming at most 20ms tick interval
// TODO: pass down actual tick interval
const auto rate = window / getCurrentDelay();
//const float time_delta = 0.02f; // 20ms
const float time_delta = 0.01666f;
// we dont want this limit to fall below atleast 1 segment
const int64_t max_bytes_per_tick = std::max<int64_t>(rate * 0.02f + 0.5f, MAXIMUM_SEGMENT_SIZE);
const int64_t max_bytes_per_tick = std::max<int64_t>(rate * time_delta + 0.5f, MAXIMUM_SEGMENT_SIZE);
cspace_bytes = std::min<int64_t>(cspace_bytes, max_bytes_per_tick);
// limit to whole packets