https://en.wikipedia.org/wiki/Tomasulo_algorithm#Applications_and_legacy 1, what is Tomasulo algorithm It is an algorithm for dynamically scheduling of instructions that allows out-of-order execution and enables more efficient use of multiple execut…
如果操作数在寄存器中,将会存在V字段,否则,设置Q字段来指示reservation station将会产生运算所需要的操作数 reorder buffer包含4个字段 the instruction type the destination field the value filed the ready filed…
这篇BLOG是我很早以前写的,因为现在搬移到CNBLOGS了,经过整理后重新发出来. 工作之前的几年一直都在搞计算机安全/病毒相关的东西(纯学习,不作恶),其中PE文件格式是必须知识.有些PE文件,比如驱动,系统会在加载时对checksum进行校验,确保驱动文件的完整性.关于PE文件如何校验,网上有很多资料可以学习,这里有一篇文章<An Analysis of the Windows PE Checksum Algorithm>是对WINDOWS API CheckSumMappedFile…
Sept. 10, 2015 Study again the back tracking algorithm using recursive solution, rat in maze, a classical problem. Made a few of mistakes through the practice, one is how to use two dimension array, another one is that "not all return path returns va…