这篇文章 Huge TLB Pages是出Linux Kernel文档

cenos7X86_64 + openssh - windows10 - putty

Given a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell

题目： An image is represented by a 2-D array of integers, each integer representing the pixel value of the image (from 0 to 65535). Given a coordinate (sr, sc) representing the starting pixel (row and column) of the flood fill, and a pixel value newColor, “flood fill” the image. To perform a “flood fill”, consider the starting pixel, plus any pixels connected 4-directionally to the starting pixel of the same color as the starting pixel, plus any pixels connected 4-directionally to those pixels (also with the same color as the starting pixel), and so on. Replace the color of all of the aforementioned pixels with the newColor. ...

/proc/swaps 文件

这篇文章Open Sourcing Mantis: A Platform For Building Cost-Effective, Realtime, Operations-Focused Applications 是出自 Netflix Technology Blog。 作为流式微服务生态系统，Mantis平台为工程师提供将观察和操作复杂分布式系统的成本降至最低的功能。 Mantis已开源 ...

SMP: CPU 通过总线访问内存, 称为 SMP 对称多处理器, 采用平坦内存模型, 物理页号连续, 总线成为瓶颈 - NUMA: CPU 都有本地内存, 访问内存不用总线, 称为 NUMA 非一致内存访问 采用非连续内存模型，页号不连续 - 稀疏内存模型

这篇文章 Timers and time management in the Linux kernel. Part 4. 是出自 linux-insides

物理内存管理 - 虚拟内存管理 - 物理内存与虚拟内存的映射

进程内存布局 可以通过一下方法查看: 命令： pmap 文件： proc filesystem maps 使用 pmap 可以从其说明看到 -X 也是从/proc/PID/smaps获取了更详细的信息 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 [root@centosgpt ~]# pmap 1704 1704: -bash 0000000000400000 884K r-x-- bash 00000000006dd000 4K r---- bash 00000000006de000 36K rw--- bash ... 00007f3c65515000 28K r--s- gconv-modules.cache 00007f3c6551c000 4K rw--- [ anon ] 00007f3c6551d000 4K r---- ld-2.17.so 00007f3c6551e000 4K rw--- ld-2.17.so 00007f3c6551f000 4K rw--- [ anon ] 00007ffd64655000 132K rw--- [ stack ] 00007ffd64769000 12K r---- [ anon ] 00007ffd6476c000 4K r-x-- [ anon ] ffffffffff600000 4K r-x-- [ anon ] total 115580K 查看 proc filesystem maps /proc/PID/smaps ...