Sorry for the last line.. Made some error before. On 9 August 2011 08:51, Dipankar Patro <[email protected]> wrote:
> In hierarchy M1->M2 > 0.97 Hit => 2x0.97 = 1.94 ns > M2 is not accessed in case of hit > 0.03 Miss => 0.03x100 = 3ns (miss rate x miss penalty) > > Total = 4.94ns > > +1 to Aditya > > so the average access time is = hit + miss = 1.94 + 100.06 > > > On 9 August 2011 08:11, Raman <[email protected]> wrote: > >> For ques 3, remember that context switch is useful in 3 situations : >> 1. Multitasking (when CPU is to be switched among processes(usually >> preemptive)) >> 2. Interrupt Handling (different from interrupt servicing) - In this, CPU >> requests for a service (eg read from a disk) but doesnt wait for it to >> complete. On the other hand, it continues to perform sm othr task after >> sendin the req. With the help of interrupt handlers, later the CPU is >> interrupted when the task is over. Thus it req context switch >> 3. Switch from user and kernel modes (though this varies with OS) >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To view this discussion on the web visit >> https://groups.google.com/d/msg/algogeeks/-/Eu2sQW7VkXQJ. >> >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > > > -- > > ___________________________________________________________________________________________________________ > > Please do not print this e-mail until urgent requirement. Go Green!! > Save Papers <=> Save Trees > -- ___________________________________________________________________________________________________________ Please do not print this e-mail until urgent requirement. Go Green!! Save Papers <=> Save Trees -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
