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Swap Boost.Container's small_vector out for LLVM's

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This implementation misses a shrink to fit function, but reassigning the
vector with a fresh one should be equivalent.
This commit is contained in:
Robbert van der Helm
2022-04-14 23:31:14 +02:00
parent fd25010aca
commit b2a15620f3
18 changed files with 1601 additions and 97 deletions
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src/common/communication/vst2.h
+10 -6
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@@ -205,8 +205,8 @@ class Vst2EventHandler : public AdHocSocketHandler<Thread> {
// from the socket, so we can override this for specific function calls
// that potentially need to have their responses handled on the same
// calling thread (i.e. mutual recursion).
const Vst2EventResult response = this->send(
[&](asio::local::stream_protocol::socket& socket) {
const Vst2EventResult response =
this->send([&](asio::local::stream_protocol::socket& socket) {
return data_converter.send_event(socket, event,
serialization_buffer());
});
@@ -294,7 +294,7 @@ class Vst2EventHandler : public AdHocSocketHandler<Thread> {
* thread at all cost we'll just predefine a large buffer for every thread.
*/
SerializationBufferBase& serialization_buffer() {
// This object also contains a `boost::container::small_vector` that has
// This object also contains a `llvm::SmallVector` that has
// capacity for a large-ish number of events so we don't have to
// allocate under normal circumstances.
constexpr size_t initial_events_size = sizeof(DynamicVstEvents);
@@ -304,9 +304,13 @@ class Vst2EventHandler : public AdHocSocketHandler<Thread> {
// when sending and receiving preset data. In such cases we do want to
// reallocate the buffer on the next event to free up memory again. This
// won't happen during audio processing.
if (buffer.size() > initial_events_size) {
buffer.resize(initial_events_size);
buffer.shrink_to_fit();
if (buffer.size() > initial_events_size * 2) {
// NOTE: There's no `.shrink_to_fit()` implementation here, so we'll
// just YOLO it and reinitialize the vector since we don't
// need the old data
buffer = SerializationBuffer<initial_events_size>{};
// buffer.resize(initial_events_size);
// buffer.shrink_to_fit();
}
return buffer;