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More optimize inserts using reserve()

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Signed-off-by: German Semenov <GermanAizek@yandex.ru>
This commit is contained in:
Герман Семенов 2023-08-24 19:08:06 +03:00 • committed by German Semenov
parent d4e60e0c03
commit 1cbb61ec27
3 changed files with 42 additions and 3 deletions
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14
src/engine/engine.cpp
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@ -950,12 +950,13 @@ bool DivEngine::addSystem(DivSystem which) {
unsigned int outs=disCont[i].dispatch->getOutputCount();
if (outs>16) outs=16;
if (outs<2) {
song.patchbay.reserve(DIV_MAX_OUTPUTS);
for (unsigned int j=0; j<DIV_MAX_OUTPUTS; j++) {
song.patchbay.push_back((i<<20)|j);
}
} else {
song.patchbay.reserve(outs);
for (unsigned int j=0; j<outs; j++) {
song.patchbay.push_back((i<<20)|(j<<16)|j);
}
}
@ -1062,9 +1063,12 @@ bool DivEngine::swapSystem(int src, int dest, bool preserveOrder) {
// prepare swap list
int index=0;
swapList.reserve(song.systemLen);
for (int i=0; i<song.systemLen; i++) {
chanList.clear();
for (int j=0; j<getChannelCount(song.system[i]); j++) {
const int channelCount = getChannelCount(song.system[i]);
chanList.reserve(channelCount);
for (int j=0; j<channelCount; j++) {
chanList.push_back(index);
index++;
}
@ -1319,6 +1323,7 @@ void DivEngine::enableCommandStream(bool enable) {
void DivEngine::getCommandStream(std::vector<DivCommand>& where) {
BUSY_BEGIN;
where.clear();
where.reserve(cmdStream.size());
for (DivCommand& i: cmdStream) {
where.push_back(i);
}
@ -2822,23 +2827,26 @@ void DivEngine::autoPatchbay() {
unsigned int outs=disCont[i].dispatch->getOutputCount();
if (outs>16) outs=16;
if (outs<2) {
song.patchbay.reserve(DIV_MAX_OUTPUTS);
for (unsigned int j=0; j<DIV_MAX_OUTPUTS; j++) {
song.patchbay.push_back((i<<20)|j);
}
} else {
song.patchbay.reserve(outs);
for (unsigned int j=0; j<outs; j++) {
song.patchbay.push_back((i<<20)|(j<<16)|j);
}
}
}
// wave/sample preview
song.patchbay.reserve(DIV_MAX_OUTPUTS);
for (unsigned int j=0; j<DIV_MAX_OUTPUTS; j++) {
song.patchbay.push_back(0xffd00000|j);
}
// metronome
song.patchbay.reserve(DIV_MAX_OUTPUTS);
for (unsigned int j=0; j<DIV_MAX_OUTPUTS; j++) {
song.patchbay.push_back(0xffe00000|j);
}