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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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6
servers/rendering/rendering_server_default.cpp
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@ -179,10 +179,10 @@ void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
print_line("GPU PROFILE (total " + rtos(total_time) + "ms): ");
float print_threshold = 0.01;
for (OrderedHashMap<String, float>::Element E = print_gpu_profile_task_time.front(); E; E = E.next()) {
double time = E.value() / double(print_frame_profile_frame_count);
for (const KeyValue<String, float> &E : print_gpu_profile_task_time) {
double time = E.value / double(print_frame_profile_frame_count);
if (time > print_threshold) {
print_line("\t-" + E.key() + ": " + rtos(time) + "ms");
print_line("\t-" + E.key + ": " + rtos(time) + "ms");
}
}
print_gpu_profile_task_time.clear();