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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>neon手册性能优化一章中，N是什么意思？</title><link>https://community.arm.com/cn/f/discussions/11171/neon-n</link><description> 如图，这段话中N是什么意思，一直没看懂。另外circle是指令周期吗 
 
 图中文字如下 
 NEON floating-point multiply instruction 
 VMUL.F32 Q0, Q1, D4[0] 
 This is a floating-point NEON vector multiply by scalar instruction. It is a multi-cycle instruction that has source operand requirements</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator></channel></rss>