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[Swift] Improving reallocation time by using memcpy and moving reallocation code to storage (#5960)

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Removes stride

Use capacity - current size to initialize

Fixes memory leak

Updated test code for linux
This commit is contained in:
mustiikhalil
2020-06-11 18:53:32 +03:00
committed by GitHub
parent 4e45f7c9e8
commit 7cb4762a61
3 changed files with 27 additions and 25 deletions
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7
swift/Sources/FlatBuffers/FlatBufferBuilder.swift
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@@ -135,7 +135,6 @@ public struct FlatBufferBuilder {
return _bb.size
}
/// Endtable will let the builder know that the object that's written to it is completed
///
/// This would be called after all the elements are serialized, it will add the vtable into the buffer.
@@ -156,8 +155,10 @@ public struct FlatBufferBuilder {
_bb.write(value: VOffset(tableObjectSize), index: _bb.writerIndex + sizeofVoffset, direct: true)
_bb.write(value: VOffset(_max), index: _bb.writerIndex, direct: true)
for index in stride(from: 0, to: _vtableStorage.writtenIndex, by: _vtableStorage.size) {
let loaded = _vtableStorage.load(at: index)
var itr = 0
while itr < _vtableStorage.writtenIndex {
let loaded = _vtableStorage.load(at: itr)
itr += _vtableStorage.size
guard loaded.offset != 0 else { continue }
let _index = (_bb.writerIndex + Int(loaded.position))
_bb.write(value: VOffset(vTableOffset - loaded.offset), index: _index, direct: true)