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302
Cache
What happens on write miss in a write back cache? First write in main memory then bring the block to cache (dirty bit = 0) or First bring the block to cache then write it (dirty bit = 1).
What happens on write miss in a write back cache?First write in main memory then bring the block to cache (dirty bit = 0) orFirst bring the block to cache then write it (...
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304
selfdoubt
https://gateoverflow.in/2078/gate2014-3-44 in this question the reason of dividing is that frequenies of operations are given in quantity not in percentage???
https://gateoverflow.in/2078/gate2014-3-44in this question the reason of dividing is that frequenies of operations are given in quantity not in percentage???
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307
Set Associative cache. Calculate cache capacity.
Consider a 4 - way set associative cache with 'L' blocks of 16 words each. Cache block is associated with dirty bit field and valid bit field. Calculate cache capacity with a word size of 2 bytes and tag size of 22 bits.
Consider a 4 - way set associative cache with 'L' blocks of 16 words each. Cache block is associated with dirty bit field and valid bit field. Calculate cache capacity wi...
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3 votes
2 answers
308
#Cache
Consider a direct map cache of 8 words, with block 2 words per Block. The following sequence of access to memory block 0,5,2,7,4,0 and 4 is repeated 10 times. Q1) number of compulsory miss? Q2) number of conflict misses? Q3) The number of capacity misses?
Consider a direct map cache of 8 words, with block 2 words per Block. The following sequence of access to memory block 0,5,2,7,4,0 and 4 is repeated 10 times.Q1) number o...
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311
Dout Write_back
IN write-back policies what does meant by the update in memory is supposed to happen when block in cache is evicted?
IN write-back policies what does meant by the update in memory is supposed to happen when block in cache is evicted?
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0 votes
1 answer
314
Cache
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1 votes
1 answer
316
Miss latency and miss penalty
Are miss latency & miss penalty same in cache?if no then what's the difference???
Are miss latency & miss penalty same in cache?if no then what's the difference???
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1 answer
321
Cache Capacity
if in a question it ask for cache capacity the is it calculated by follwing... cache capacity=cache size+ tag memory size+dirty bit cache capacity=tag bits * no. of cache lines which one is correct?
if in a question it ask for cache capacity the is it calculated by follwing...cache capacity=cache size+ tag memory size+dirty bitcache capacity=tag bits * no. of cache l...
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324
Direct Map Cache
Ans. 1
Ans. 1
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325
Cache GATE Doubt
In the following question if we consider for various data types such as char,float and int how would the answer vary? https://gateoverflow.in/1442/gate2013-20
In the following question if we consider for various data types such as char,float and int how would the answer vary?https://gateoverflow.in/1442/gate2013-20
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327
Cache Doubt
How does cache mapping of various type solve the problem of fragmentation?
How does cache mapping of various type solve the problem of fragmentation?
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1 votes
0 answers
329
Memory Access Time
What is the difference between Effective Memory Access Time and Average Memory Access Time. Please tell in the context of both Hierarchical access as well as Simultaneous access.
What is the difference between Effective Memory Access Time and Average Memory Access Time. Please tell in the context of both Hierarchical access as well as Simultaneous...
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1 votes
1 answer
330
Locality of reference
How does the various types of locality of reference affects the cache access?
How does the various types of locality of reference affects the cache access?
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