"This article introduces an update that optimizes the performance of AMD Bulldozer CPUs that are used by Windows 7-based or Windows Server 2008 R2-based computers.
Currently, the performance of AMD Bulldozer CPUs is slower than expected. This behavior occurs because the threading logic in Windows 7 and in Windows Server 2008 R2 is not optimized to use the Simultaneous Multithreading (SMT) scheduling feature. This feature was introduced in the Bulldozer family of AMD CPUs.
Note: This issue may occur when you use applications that run in multiple threads."
推土機的特色是 Multi-Thread 架構運算能力, 跟大家之前熟悉的 (Single-Thread) + (Multi-Core) 架構大不相同.
微軟的說明文件也清楚解釋, 目前 Windows 7 以及 Server 2008 SP1 並不支援推土機的 Multi-Thread 架構.
我個人也不相信單靠一個 Patch 檔案就能豬羊變色, 畢竟架構大幅改變, 需要從 OS + 軟體雙管齊下, 同時改變才能發揮優勢, 這些改變都需要時間.
但是, 推土機架構真的是 PC CPU 應用發展的里程碑, 就此進入 Multi-Thread 的環境之中.
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