辅助处理器 - 维基百科,自由的百科全书



辅助处理器 - 维基百科,自由的百科全书

辅助处理器Coprocessor),也翻译为协同处理器,是为了协助中央处理器进行对其无法执行或执行效率、效果低下的处理工作而研究开发使用处理器。这些中央处理器无法执行的工作有很多,比如设备间的信号传输、接入设备的管理等;而执行效率、效果低下的有图形处理、声频处理等。为了进行这些处理,各种辅助处理器就诞生了。需要说明的是,由于现在的计算机中,整数运算器浮点运算器已经集成在一起,因此浮点处理器已经不算是辅助处理器。而内建于CPU中的协处理器,同样不算是辅助处理器,除非它是独立存在。

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