Re: Doubt in Q4 of Endsem 2018

[Mandar Mitra]

Size of each matrix = 2^15 x 2^15 x 8 / 2^12 = 2^19 pages

Size of each row = 2^15 x 8 / 2^12 = 2^6 pages 

Memory access pattern:

B1 *

A1 *

B1

A2 *

B1

A3 *

B1

A4 *

After this, the pattern repeats. 

Thus, PFR = 5/8

Does this make sense?

On Fri, 3 May, 2024, 11:35 pm Aditya Dutta, <adi22...@gmail.com> wrote:

Dear Sir,

In the attached question, will page faults always occur? Here, A is being called column-wise while it is stored row-wise. 

Sincerely,

Aditya Dutta