摘要: IER(7) OpenBSD Reference Manual HIER(7) NAME hier - layout of filesystems DESCRIPTION A sketch of the filesystem hierarchy. / Root directory. /altroot 阅读全文
posted @ 2019-04-15 17:43 JokerJason 阅读(748) 评论(0) 推荐(0) 编辑
摘要: CPU体系结构之cache小结 1.What is cache? Cache是用来对内存数据的缓存。 CPU要访问的数据在Cache中有缓存,称为“命中” (Hit),反之则称为“缺失” (Miss)。 CPU访问它的速度介于寄存器与内存之间(数量级的差别)。实现Cache的花费介于寄存器与内存之间 阅读全文
posted @ 2019-04-15 15:41 JokerJason 阅读(44486) 评论(0) 推荐(9) 编辑

It's not who you are underneath, it's what you do that defines you

Brick walls are there for a reason :they let us prove how badly we want things