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This commit is contained in:
J. Nick Koston
2025-08-02 12:14:17 -10:00
parent c89bc0bfd7
commit 36eab00eac
1 changed files with 37 additions and 17 deletions
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54
esphome/core/application.cpp
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@@ -34,6 +34,38 @@ namespace esphome {
static const char *const TAG = "app"; static const char *const TAG = "app";
// Helper function for insertion sort of components by setup priority
// Using insertion sort instead of std::stable_sort saves ~1.3KB of flash
// by avoiding template instantiations (std::rotate, std::stable_sort, lambdas)
static void insertion_sort_by_setup_priority(Component **components, size_t size) {
for (size_t i = 1; i < size; i++) {
Component *key = components[i];
float key_priority = key->get_actual_setup_priority();
int32_t j = i - 1;
while (j >= 0 && components[j]->get_actual_setup_priority() < key_priority) {
components[j + 1] = components[j];
j--;
}
components[j + 1] = key;
}
}
// Helper function for insertion sort of components by loop priority
static void insertion_sort_by_loop_priority(Component **components, size_t size) {
for (size_t i = 1; i < size; i++) {
Component *key = components[i];
float key_priority = key->get_loop_priority();
int32_t j = i - 1;
while (j >= 0 && components[j]->get_loop_priority() < key_priority) {
components[j + 1] = components[j];
j--;
}
components[j + 1] = key;
}
}
void Application::register_component_(Component *comp) { void Application::register_component_(Component *comp) {
if (comp == nullptr) { if (comp == nullptr) {
ESP_LOGW(TAG, "Tried to register null component!"); ESP_LOGW(TAG, "Tried to register null component!");
@@ -51,9 +83,9 @@ void Application::register_component_(Component *comp) {
void Application::setup() { void Application::setup() {
ESP_LOGI(TAG, "Running through setup()"); ESP_LOGI(TAG, "Running through setup()");
ESP_LOGV(TAG, "Sorting components by setup priority"); ESP_LOGV(TAG, "Sorting components by setup priority");
std::stable_sort(this->components_.begin(), this->components_.end(), [](const Component *a, const Component *b) {
return a->get_actual_setup_priority() > b->get_actual_setup_priority(); // Sort by setup priority using our helper function
}); insertion_sort_by_setup_priority(this->components_.data(), this->components_.size());
// Initialize looping_components_ early so enable_pending_loops_() works during setup // Initialize looping_components_ early so enable_pending_loops_() works during setup
this->calculate_looping_components_(); this->calculate_looping_components_();
@@ -69,20 +101,8 @@ void Application::setup() {
if (component->can_proceed()) if (component->can_proceed())
continue; continue;
// Using insertion sort instead of std::stable_sort saves ~1.3KB of flash // Sort components 0 through i by loop priority
// by avoiding std::rotate, std::stable_sort, and lambda template instantiations. insertion_sort_by_loop_priority(this->components_.data(), i + 1);
// Insertion sort is efficient for small arrays and maintains stability
for (int32_t j = 1; j <= static_cast<int32_t>(i); j++) {
Component *key = this->components_[j];
float key_priority = key->get_loop_priority();
int32_t k = j - 1;
while (k >= 0 && this->components_[k]->get_loop_priority() < key_priority) {
this->components_[k + 1] = this->components_[k];
k--;
}
this->components_[k + 1] = key;
}
do { do {
uint8_t new_app_state = STATUS_LED_WARNING; uint8_t new_app_state = STATUS_LED_WARNING;