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Use std::vector instead of std::deque in QAlertDispatcher

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As we never use {push,pop}_front std::vector works here perfectly.
Also reserve memory for std::vector out of lock.

This could be considered as an optimization, but in reality this is just
using right container in right place. According to my measurements total
speedup is under 0.2%.
This commit is contained in:
Ivan Sorokin 2014-10-12 11:26:19 +04:00
commit 333978f1ff
3 changed files with 13 additions and 8 deletions
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6
src/qtlibtorrent/qbtsession.cpp
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@ -1649,7 +1649,7 @@ void QBtSession::saveFastResumeData() {
} catch(libtorrent::invalid_handle&) {}
}
while (num_resume_data > 0) {
std::deque<alert*> alerts;
std::vector<alert*> alerts;
m_alertDispatcher->getPendingAlerts(alerts, 30*1000);
if (alerts.empty()) {
std::cerr << " aborting with " << num_resume_data << " outstanding "
@ -1657,7 +1657,7 @@ void QBtSession::saveFastResumeData() {
break;
}
for (std::deque<alert*>::const_iterator i = alerts.begin(), end = alerts.end(); i != end; ++i)
for (std::vector<alert*>::const_iterator i = alerts.begin(), end = alerts.end(); i != end; ++i)
{
alert const* a = *i;
// Saving fastresume data can fail
@ -2147,7 +2147,7 @@ void QBtSession::sendNotificationEmail(const QTorrentHandle &h) {
// Read alerts sent by the Bittorrent session
void QBtSession::readAlerts() {
typedef std::deque<alert*> alerts_t;
typedef std::vector<alert*> alerts_t;
alerts_t alerts;
m_alertDispatcher->getPendingAlertsNoWait(alerts);