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tweak the bandwidth manager code a little more to try & prevent oscillation

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This commit is contained in:
Charles Kerr 2008-11-08 15:39:48 +00:00
parent 0507531e50
commit 73197c53f3
1 changed files with 6 additions and 4 deletions
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10
libtransmission/peer-mgr.c
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@ -2337,8 +2337,8 @@ allocateHowMuch( double desired_average_kb_per_sec,
const int pulses_per_history = TR_RATECONTROL_HISTORY_MSEC / BANDWIDTH_PERIOD_MSEC;
const double seconds_per_pulse = BANDWIDTH_PERIOD_MSEC / 1000.0;
const double baseline_bytes_per_pulse = desired_average_kb_per_sec * 1024.0 * seconds_per_pulse;
const double min = baseline_bytes_per_pulse * 0.85;
const double max = baseline_bytes_per_pulse * 1.15;
const double min = baseline_bytes_per_pulse * 0.80;
const double max = baseline_bytes_per_pulse * 1.10;
const double current_bytes_per_pulse = tr_rcRate( ratecontrol ) * 1024.0 * seconds_per_pulse;
const double next_pulse_bytes = baseline_bytes_per_pulse * ( pulses_per_history + 1 )
- ( current_bytes_per_pulse * pulses_per_history );
@ -2349,11 +2349,13 @@ allocateHowMuch( double desired_average_kb_per_sec,
clamped = MAX( clamped, min );
clamped = MIN( clamped, max );
/*fprintf( stderr, "desiredAvgKB is %.2f, rate is %.2f, allocating %.2f (%.2f)\n",
#if 0
fprintf( stderr, "desiredAvgKB is %5.2f, rate is %5.2f, allocating %5.2f (%5.2f)\n",
desired_average_kb_per_sec,
tr_rcRate( ratecontrol ),
clamped/1024.0,
next_pulse_bytes/1024.0 );*/
next_pulse_bytes/1024.0 );
#endif
return clamped;
}