TLB JUST FOR KNOWLEDGE

If a page is not present in the memory, then its corresponding entry in the page table would have the ‘Present’ bit set as 0 to indicate , the page is not present.Wil...

Mayank0343

560 views

Mayank0343 asked May 8, 2019

Operating System
self-doubt
operating-system
translation-lookaside-buffer

+ –

3 votes

1 answer

Na462 asked Nov 26, 2017

1,049 views

TLB buffer
My doubt is Sorry if its silly. 1. TLB Maps from VA --> PA, so when its accessed ? is it when cpu generates logical address and by hardware it get convert into virtual address and then tlb is looked to convert into physical address. 2. When a ... Virtual address space to physical address space i.e. TLB Stores frequent mapping of pages. So where is actually TLB Stored is it in cache?

My doubt is Sorry if its silly.1. TLB Maps from VA PA, so when its accessed ? is it when cpu generates logical address and by hardware it get convert into virtual addre...

Na462

1.0k views

Na462 asked Nov 26, 2017

CO and Architecture
translation-lookaside-buffer
virtual-memory

+ –

4 votes

2 answers

resuscitate asked Jan 27, 2016

1,316 views

TLB ,VGATE
@Arjun sir, I solved it by using the same concept of gate 2003 78,79 ..but techtud marked it as wrong..this qs has only one confusion which is how to use page table walk and tlb update...I used it in the part of L3 ache miss of Tlb miss.. and used this formula . ... hit(cache time) + L2 miss( L3 hit (cache time) + L3 miss(cache time+page table walk and Tlb update )))) Sir,pls check this

@Arjun sir, I solved it by using the same concept of gate 2003 78,79 ..but techtud marked it as wrong..this qs has only one confusion which is how to use page table walk ...

resuscitate

1.3k views

resuscitate asked Jan 27, 2016

CO and Architecture
translation-lookaside-buffer
co-and-architecture
cache-memory

+ –

0 votes

2 answers

pC asked Jan 25, 2016

3,823 views

Find TLB Hit Ratio
Suppose TLB used in one level paging system with each look-up time of TLB 40 msec. Memory reference takes 120 msec. If the effective memory reference time is 180 msec then page table references are found in TLB is ______ Answer Given in booklet (0.833)

Suppose TLB used in one level paging system with each look-up time of TLB 40 msec. Memory reference takes 120 msec. If the effective memory reference time is 180 msec the...

3.8k views

pC asked Jan 25, 2016

CO and Architecture
co-and-architecture
translation-lookaside-buffer

+ –

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