Why Learning Assembly Language Is Still a Good Idea (O'Reilly)
Randall Hyde
talks about code efficiency and assembly language skills on O'Reilly.
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Because greatness is a multifaceted attribute, a short article such as this one cannot begin to describe all the possible components of a great piece of software. Instead, this article will describe one component of writing great code that has been neglected in recent years as computer systems have increased in capacity and power: efficiency."