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 -- 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.
