Descriptor attributes: The Type, DPL, S (system/user), and Present bits from the segment descriptor being loaded, held in a register called PROTUN. In a few cases, the Test PLA takes the 16-bit selector (segment register value) as input instead.
但是，奧爾代也指出，由於關稅普遍適用，有一件事是確定的：外國產品在美國的價格普遍會更高。
。safew官方版本下载是该领域的重要参考
Running benchmarks
Zoe Langley-Wathen