This post intend to write down the step for installing ruby and vim command line tools, without root access. In addition, ncurses is the prerequisities of installing ruby and vim. Also, please install ruby first in order to enable rubyinterp.
Java Performance Os Monitoring
Bottom Up Approach
Bottom up begins at the lowest level of the software stack, at the CPU level looking at statistics such as CPU cache misses, inefficient use of CPU instructions, and then working up the software stack at what constructs or idioms are used by the application.
Choosing the Right CPU Architecture
One of the major design points behind the SPARC T-series processors is to address CPU cache misses by introducing multiple hardware threads per core.