Computer science
Computer Architecture
A program is running on a computer with a four-entry

A program is running on a computer with a four-entry

A program is running on a computer with a four-entry fully associative (micro) translation lookaside buffer (TLB):

VP# PP# Entry valid 5 30 10 10 15 25

The following is a trace of virtual page numbers accessed by a program. For each access indicate whether it produces a TLB hit/miss and, if it accesses the page table, whether it produces a page hit or fault. Put an X under the page table column if it is not accessed.

Virtual page index Physical page # Present 3 3 5 4 14 5 30 26 11 13 18 10 10 11 56 12 110 13 33 14 12 15 25 2. 1,

Students also viewed these Computer science questions

Consider the following program. #define Size 64 int A[Size; Size], B[Size; Size],

Consider the following program. #define Size 64 int A[Size; Size], B[Size; Size], C[Size; Size];...... a... (in terms of number of times C[i, j] = A[i, j] + B[i, j] are executed). b. Can you modify the program to minimize the page fault frequency? c. What will be the frequency of page faults after...

As described in Section 5.7, virtual memory uses a page table to

As described in Section 5.7, virtual memory uses a page table to track the mapping of virtual addresses to physical addresses. This exercise shows how this table must be updated as addresses are accessed. The following data constitutes a stream of virtual addresses as seen on a system. Assume 4 KiB...

An application program is executed on a nine-computer cluster. A benchmark program

An application program is executed on a nine-computer cluster. A benchmark program takes time T on this cluster. Further, 25% of T is time in which the application is running simultaneously on all nine computers. The remaining time, the application has to run on a single computer. a. Calculate the...

At the beginning of the year, Cully Company had 400 units with

At the beginning of the year, Cully Company had 400 units with a cost of $4 per unit in its beginning inventory. The following inventory transactions occurred during the month of January: Jan. 3 Purchased 1,000 units on account for $4.50 per unit. 9 Sold 550 units on account for $10 each. 15 Sold...

Horse and Buggy Inc. is in a declining industry. Sales, earnings, and

Horse and Buggy Inc. is in a declining industry. Sales, earnings, and dividends are all shrinking at a rate of 10% per year. a.If r = 15% and DIV 1 = $3, what is the value of a share? b.What price do you forecast for the stock next year? c.What is the expected rate of return on the stock? d.Can you...

You will find many life expectancy calculators available on the Internet; try

You will find many life expectancy calculators available on the Internet; try a few of them. Do they seem to give accurate or realistic results? Explore the statistical techniques that are used to make life expectancy tables.

Ultra-Home Corporation provides the following information related to its defined-benefit pension plan

Ultra-Home Corporation provides the following information related to its defined-benefit pension plan for 2014. Pension liability (January 1) .............$ 500,000 Accumulated benefit obligation (December 31) ....1,250,000 Actual and expected return on plan assets ....... 15,000 Contributions...

Problem 3. 8 pts. At the snackshop, a snack consisting of a

Problem 3. 8 pts. At the snackshop, a snack consisting of a muffin, a big cup of coffee, and an orange costs $6.78, with the muffin costing twice as much as the orange. Next month the price of the orange will increase 10% and the price of the coffee will increase 25%. After the increase, the same...

Two-lens systems. In Figure stick figure O (the object) stands on the

Two-lens systems. In Figure stick figure O (the object) stands on the common central axis of two thin, symmetric lenses, which are mounted in the boxed regions. Lens 1 is mounted within the boxed region closer to O, which is at object distance p1? Lens 2 is mounted within the farther boxed region,...

Excluding some instructions from entering the cache can reduce conflict misses. a.

Excluding some instructions from entering the cache can reduce conflict misses. a. Sketch a program hierarchy where parts of the program would be better excluded from entering the instruction cache. (Consider a program with code blocks that are placed in deeper loop nests than other blocks.) b....

Some memory systems handle TLB misses in software (as an exception), while

Some memory systems handle TLB misses in software (as an exception), while others use hardware for TLB misses. a. What are the trade-offs between these two methods for handling TLB misses? b. Will TLB miss handling in software always be slower than TLB miss handling in hardware? Explain. c. Are...

What is “natural” about natural unemployment?

Questions related to Computer Architecture

Computer science Questions

Transcribed Image Text

VP# PP# Entry valid 5 30 10 10 15 25 Virtual page index Physical page # Present 3 3 5 4 14 5 30 26 11 13 18 10 10 11 56 12 110 13 33 14 12 15 25 2. 1,