neon的armv7,armv8
时间: 2023-08-09 08:08:30 浏览: 107
Neon 是一种SIMD(单指令多数据)扩展,用于ARM架构的处理器。它允许同时对多个数据元素执行相同的操作,从而提高了处理器的并行性能。ARMv7 架构引入了 Neon 技术,并提供了一些基本的指令集。而 ARMv8 架构则进一步增强了 Neon 技术,引入了更多的指令和功能。Neon 技术主要用于图像和视频处理、音频编解码、游戏开发等需要高度并行计算的领域。
相关问题
-mfpu=neon-fp-armv8
The "-mfpu=neon-fp-armv8" flag is a compiler option used to specify the floating-point unit (FPU) to be used by the generated code.
In this case, it instructs the compiler to use the NEON FPU, which is a SIMD (Single Instruction Multiple Data) architecture extension for ARM processors. The "-fp-armv8" part specifies that the compiler should generate code for ARMv8 architecture, which is the latest version of the ARM architecture.
Overall, this flag is useful for optimizing code that involves intensive floating-point operations, such as graphics processing, signal processing, and scientific computing.
' ARCH='arm64' ARCH_EXT_LIST=' armv5te armv6 armv6t2 armv8 neon vfp vfpv3 setend
这也不是一个问题,而是另一段代码或命令。可以看出这是在设置两个变量 ARCH 和 ARCH_EXT_LIST,其中 ARCH 被设置为 'arm64',ARCH_EXT_LIST 包含了一些 ARM 架构的扩展,包括 armv5te、armv6、armv6t2、armv8、neon、vfp、vfpv3 和 setend。这些变量可能被用于某个程序或脚本中,具体用途需要看上下文。如果您有任何与此相关的问题,请随时问我。
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