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Pre-reserve looping components vector to reduce memory allocations (#9177)

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J. Nick Koston 2025-06-23 04:10:09 +02:00 committed by GitHub
parent 7fc5bfd787
commit 2a45467bf6
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1 changed files with 11 additions and 0 deletions
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11
esphome/core/application.cpp
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@ -257,6 +257,17 @@ void Application::teardown_components(uint32_t timeout_ms) {
}
void Application::calculate_looping_components_() {
// Count total components that need looping
size_t total_looping = 0;
for (auto *obj : this->components_) {
if (obj->has_overridden_loop()) {
total_looping++;
}
}
// Pre-reserve vector to avoid reallocations
this->looping_components_.reserve(total_looping);
// First add all active components
for (auto *obj : this->components_) {
if (obj->has_overridden_loop() &&