smaller than nanosecond

The computer's storage hierarchy (memory hierarchy), registers (register) the fastest, memory second, the slowest is the hard disk. The same is the transistor storage device, why registers faster than memory? Mike Ash wrote

The storage level (memory hierarchy) of the computer, the Register (register) is the fastest, the second, the slowest is the hard disk.Also are transistor storage devices, why register faster than memory?Mike Ash wrote a good explanation and

Source: Chinese, EnglishThe storage level (memory hierarchy) of the computer, the Register (register) is the fastest, the second, the slowest is the hard disk.　　 Also are transistor storage devices, why register faster than memory?Reason one:

Article source: Click to open the link reason one: the distance is differentDistance is not the main factor, but it is best to understand, so put it on the front. The memory is CPU far away, so it takes longer to read.To3GHzOfCPUFor example, the

I. New and Old Version schedulers in LinuxComparison Before kernel version 2.6, the scheduler had obvious restrictions when many tasks were active. This is because the scheduler uses an algorithm with the complexity of O (n. In this scheduler, the

Analysis of Linux 2.6 scheduling system content:

Name Stat, fstat, lstat-Get File statusSynopsis # Include # Include # Include Int Stat (const char *Path, Struct stat *Buf);Int fstat (int FD, Struct stat *Buf);Int lstat (const char *Path, Struct stat *Buf); Feature test macro requirements for

Comparison of new features of atitit. ntfs ext file system, atitit. ntfsext Comparison of new features of atitit. ntfs ext File System     1. Features of Modern File Systems 2 1.1. Restore Log2 1.2. Compression 2 1.3. Meta ext2 1.4. Full text of

There are a number of reasons why Android memory leaks, listed below, will be addressed in the future1. No cache Convertview (derived from ListView optimization problem) when constructing adapter2. Query database cursor is not closed3. Activity life

Import Java.text.parseexception;import java.text.simpledateformat;import java.util.calendar;import java.util.Date; Import Org.apache.commons.lang3.time.dateutils;public class Calendartest {//Calendar function: Set date time, add and subtract