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Pre-reserve looping components vector to reduce memory allocations

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This commit is contained in:
J. Nick Koston
2025-06-22 22:56:31 +02:00
parent 788803d588
commit 13d53590b2
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() &&