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Add a new HashMap implementation

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Adds a new, cleaned up, HashMap implementation.

* Uses Robin Hood Hashing (https://en.wikipedia.org/wiki/Hash_table#Robin_Hood_hashing).
* Keeps elements in a double linked list for simpler, ordered, iteration.
* Allows keeping iterators for later use in removal (Unlike Map<>, it does not do much
  for performance vs keeping the key, but helps replace old code).
* Uses a more modern C++ iterator API, deprecates the old one.
* Supports custom allocator (in case there is a wish to use a paged one).

This class aims to unify all the associative template usage and replace it by this one:
* Map<> (whereas key order does not matter, which is 99% of cases)
* HashMap<>
* OrderedHashMap<>
* OAHashMap<>
This commit is contained in:
reduz
2022-05-08 10:09:19 +02:00
committed by Rémi Verschelde
parent 9b7e16a6b8
commit 8b7c7f5a75
95 changed files with 1434 additions and 1874 deletions
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82
editor/debugger/editor_performance_profiler.cpp
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@@ -97,9 +97,9 @@ void EditorPerformanceProfiler::_monitor_select() {
void EditorPerformanceProfiler::_monitor_draw() {
Vector<StringName> active;
for (OrderedHashMap<StringName, Monitor>::Element i = monitors.front(); i; i = i.next()) {
if (i.value().item->is_checked(0)) {
active.push_back(i.key());
for (const KeyValue<StringName, Monitor> &E : monitors) {
if (E.value.item->is_checked(0)) {
active.push_back(E.key);
}
}
@@ -204,22 +204,22 @@ void EditorPerformanceProfiler::_monitor_draw() {
void EditorPerformanceProfiler::_build_monitor_tree() {
Set<StringName> monitor_checked;
for (OrderedHashMap<StringName, Monitor>::Element i = monitors.front(); i; i = i.next()) {
if (i.value().item && i.value().item->is_checked(0)) {
monitor_checked.insert(i.key());
for (KeyValue<StringName, Monitor> &E : monitors) {
if (E.value.item && E.value.item->is_checked(0)) {
monitor_checked.insert(E.key);
}
}
base_map.clear();
monitor_tree->get_root()->clear_children();
for (OrderedHashMap<StringName, Monitor>::Element i = monitors.front(); i; i = i.next()) {
TreeItem *base = _get_monitor_base(i.value().base);
TreeItem *item = _create_monitor_item(i.value().name, base);
item->set_checked(0, monitor_checked.has(i.key()));
i.value().item = item;
if (!i.value().history.is_empty()) {
i.value().update_value(i.value().history.front()->get());
for (KeyValue<StringName, Monitor> &E : monitors) {
TreeItem *base = _get_monitor_base(E.value.base);
TreeItem *item = _create_monitor_item(E.value.name, base);
item->set_checked(0, monitor_checked.has(E.key));
E.value.item = item;
if (!E.value.history.is_empty()) {
E.value.update_value(E.value.history.front()->get());
}
}
}
@@ -252,9 +252,9 @@ void EditorPerformanceProfiler::_marker_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
Vector<StringName> active;
for (OrderedHashMap<StringName, Monitor>::Element i = monitors.front(); i; i = i.next()) {
if (i.value().item->is_checked(0)) {
active.push_back(i.key());
for (KeyValue<StringName, Monitor> &E : monitors) {
if (E.value.item->is_checked(0)) {
active.push_back(E.key);
}
}
if (active.size() > 0) {
@@ -293,12 +293,16 @@ void EditorPerformanceProfiler::_marker_input(const Ref<InputEvent> &p_event) {
}
void EditorPerformanceProfiler::reset() {
for (OrderedHashMap<StringName, Monitor>::Element i = monitors.front(); i; i = i.next()) {
if (String(i.key()).begins_with("custom:")) {
monitors.erase(i);
HashMap<StringName, Monitor>::Iterator E = monitors.begin();
while (E != monitors.end()) {
HashMap<StringName, Monitor>::Iterator N = E;
++N;
if (String(E->key).begins_with("custom:")) {
monitors.remove(E);
} else {
i.value().reset();
E->value.reset();
}
E = N;
}
_build_monitor_tree();
@@ -308,43 +312,49 @@ void EditorPerformanceProfiler::reset() {
}
void EditorPerformanceProfiler::update_monitors(const Vector<StringName> &p_names) {
OrderedHashMap<StringName, int> names;
HashMap<StringName, int> names;
for (int i = 0; i < p_names.size(); i++) {
names.insert("custom:" + p_names[i], Performance::MONITOR_MAX + i);
}
for (OrderedHashMap<StringName, Monitor>::Element i = monitors.front(); i; i = i.next()) {
if (String(i.key()).begins_with("custom:")) {
if (!names.has(i.key())) {
monitors.erase(i);
} else {
i.value().frame_index = names[i.key()];
names.erase(i.key());
{
HashMap<StringName, Monitor>::Iterator E = monitors.begin();
while (E != monitors.end()) {
HashMap<StringName, Monitor>::Iterator N = E;
++N;
if (String(E->key).begins_with("custom:")) {
if (!names.has(E->key)) {
monitors.remove(E);
} else {
E->value.frame_index = names[E->key];
names.erase(E->key);
}
}
E = N;
}
}
for (OrderedHashMap<StringName, int>::Element i = names.front(); i; i = i.next()) {
String name = String(i.key()).replace_first("custom:", "");
for (const KeyValue<StringName, int> &E : names) {
String name = String(E.key).replace_first("custom:", "");
String base = "Custom";
if (name.get_slice_count("/") == 2) {
base = name.get_slicec('/', 0);
name = name.get_slicec('/', 1);
}
monitors.insert(i.key(), Monitor(name, base, i.value(), Performance::MONITOR_TYPE_QUANTITY, nullptr));
monitors.insert(E.key, Monitor(name, base, E.value, Performance::MONITOR_TYPE_QUANTITY, nullptr));
}
_build_monitor_tree();
}
void EditorPerformanceProfiler::add_profile_frame(const Vector<float> &p_values) {
for (OrderedHashMap<StringName, Monitor>::Element i = monitors.front(); i; i = i.next()) {
for (KeyValue<StringName, Monitor> &E : monitors) {
float data = 0.0f;
if (i.value().frame_index >= 0 && i.value().frame_index < p_values.size()) {
data = p_values[i.value().frame_index];
if (E.value.frame_index >= 0 && E.value.frame_index < p_values.size()) {
data = p_values[E.value.frame_index];
}
i.value().history.push_front(data);
i.value().update_value(data);
E.value.history.push_front(data);
E.value.update_value(data);
}
marker_frame++;
monitor_draw->update();