L-3.6: Direct Mapping with Example in Hindi | Cache Mapping | Computer Organisation and Architecture
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- เผยแพร่เมื่อ 27 ก.ค. 2024
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In Direct mapping, assign each memory block to a specific line in the cache. If a line is previously taken up by a memory block when a new block needs to be loaded, the old block is trashed. An address space is split into two parts index field and a tag field. The cache is used to store the tag field whereas the rest is stored in the main memory.
Introduction to Cache Mapping Link: • L-3.5: What is Cache M...
0:00 - Introduction
0:46 - Understand Architecture
5:20 - Direct Mapping
9:33 - Referencing
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Bhai,
jaan daal di iss topic me, hats off bade bhai🙏🏻👌🏻😉
Thanks this lecture is for those who are well conversant with basic of computer language.
Yesterday I learnt OS from you and today COA. The bits concept of representation of physical address is as clear as crystal. Thank you sir.
I have already suggested your channel to my entire barch. everyone is watching your videos! You are a savior.
Sir im from Pakistan. Thank you so much. Bht kam time me achi preparation horhi h lecturer ki.. Allah apko eska ajar de. Ameen sum Ameen
Ameen
Bro what's the procedure to get selected in Pakistani rodies?
@@nalingupta891 bro Kah ke le li😃😃
Jay Sri Ram
Bro bomb banane ke liye coa padh rhe na ?
what a lecture sir.....u r better than my my teacher....
same here sir
Yes bro same case sir is so good I understood it so quickly
Absolutely 👏
Byta tm mujy class ma milo ma tumko btata ho
He is from my university Lpu🕺😁
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Amazing sir!!! Hands down!! The best explanation available on the entire Internet!!! We are indeed most fortunate to have you by our side!! THANK YOU SO MUCH!!
Is word size is always 4 or given in the question please reply I want to clear my doubt sir
hey
I have watched many of your videos. Just wana say thanks from the core of my heart. Well done and excellent teaching methodology.
Just an another lever teaching...
I haven't attended any Computer Organization classes mentally in my online classes...
But after watching this video I'm getting very interested with this subject...❤️❤️❤️
same here
Example taken by you in last, where Tag is 010.
To decode the block we can see first 5 bits of the physical address which is- 010 00 00, so block number 8 will be in Line0 of cache in this case.(Just to answer it fast)
Sir, you explanation was🔥🔥
🎯 Key Takeaways for quick navigation:
00:00 📚 *Direct mapping is the focus of the video, exploring how it works and its significance in computer organization and architecture.*
01:29 🧠 *Main memory is assumed to have 128 words, organized into blocks of 4 words each. Cache, with a size of 16 words, is divided into lines, and the line size matches the block size to avoid internal fragmentation.*
05:52 🔄 *Direct mapping employs the "K mod N" formula, where K is the block number, and N is the number of lines in the cache. This formula determines which line a block maps to, allowing for direct placement.*
09:57 🏛️ *CPU generates physical addresses using block numbers, block offsets, and line numbers. Understanding how these components interact is crucial for accessing specific words in memory.*
16:17 🏷️ *The cache utilizes tags, line numbers, and block offsets to map addresses and determine which blocks are present. Cache hits occur when the desired block is in the cache, while cache misses require replacement policies for new blocks.*
Made with HARPA AI
Thanks ,helped to understand better.
If we want to select directly block from available blocks in cache, convert tag number to decimal. That is in your example
010= 2 means second block in L0 which is B8..
001= 0 means 1st block in L1 which is B5..
Thank you for your great explanation and making focus on concepts..
Got the complete knowledge in single video. You covered every aspect of Direct Cache Memory Mapping. Excellent work done Sir.
Thank you varun sir..happy to have you as a teacher instructor for gate...
sahi mein bahut acha samjhaya hai ... jitna stallings ki book ne confuse kia, sara confusion idhar aakey clear hua ..
What concepts u have Sir Great really great....
Real world Jeethu bhaiyya. Thank you for your work!
Loads of love and respect :) Thank you.
Today I understood the concept of mapping sir....thank u so much..☺️😊
awesome sir..we r confused in this concept for long days..you make it rock..saviour of cs
Crystal Clear Direct mapping explanation, Thanks sir 🙏
after watching your video my interest is going in this subject ,i was worried how shall i study this subject but now i m so happy n relax because your explanation is amazing i understood everything thank u soo much sir
Hats off explanation , after seeing this I am upset that I don't have teachers like you in my College.
Thank you sir
You explained it very well. Thanks a lot for that Sir. Awaiting videos on other mapping techniques and numericals.
Omg 100% concept clarity , now I understand topic very clearly,hats off to you,most of the teacher not able explain it in this way.
Is word size is always 4 or given in the question please reply I want to clear my doubt sir
Kia baat hai sir....Simple and straightforward explanation....sada khush raho.
Sir, this is the best explaination that any teacher could have ever given. Finally You are the one who has made this topic easy now and have taught better than my COSS faculty. 🙏
Best lecture! My concepts on Direct Mapping is 100% clear due to your best explanation technique...
Thanks a lot, Sir!🙂🙂🙂
Is word size is always 4 or given in the question please reply I want to clear my doubt sir
The explanation is too simple to understand the inner story. Thanks a lot, sir.
Your hard work is shown in your video sir 👍
Keep uploading such amazing videos for students 👍👏👏
I think isse accha direct mapping koi nai explain kar sakta hai sir🙌👍👏 excellent
Tag kya Hota hai ye ab jakar smjh aaya. Sb Kuch Chaan mara Kahi Kuch nahi Mila. Shayad Shivratri Ka fal mujhe just abhi mila. Apka channel mil Gaya. How lucky I'm. Sir ji love you for your efforts. ❣️ Lord Shiva bless you always.
Mujhe bhi bata bhai mujhe nahi samjha tag
apka set associative aur direct mapping ka lecture bahut hi simple bana deta hai is topic ko...can't thank you enough...everytime I stuck in some numerical I go through this again...
thank you sir, apki padhane ki style bilkul apki mucho ki tara, in one word LAJABAB.
No words for compliments sirr ...flawless 😇
Sir ap kasam khaake aate ho ki baccho ko sab samazh aana chahiye.........thanks a lot sir
hello sir,
i am a b.tech 2nd year student and i ahve shifted to CSE branch from Mechanical branch and sir i was suffering a lot of problems regarding this subject infact i was in a fear of getting fail in this subject as this subject was totally unknown for me but after watching your videos i am in a state that i can easily score good in my exams infact now i also tech these topics yo my classmates. thankyou so much sir.
Kyaaa dhasu... Samajhaya... Sir g.. Finally dimmag m chipkak gya.... Thanku so much sir 😍😍😍😍
thank you sir, great explanation
What a great and amazing explntn of this topic . Jazak-Allah sir✨
Wow...bahut achhe tarike se padhaarahe ho as compared to other ...thanks a lot sir
Sir aapke lecture dekh ke lagta hai padhte hee jao... Lecture kab katm hota hai pata hi nahi lagta... Thank u soo much sir... U are doing great for humanity..
Thank you so much for your love and support
what an amazing teacher he is!!
If anyone is in rush or having trouble, watch Neso Academy's direct mapping first like I did. Then come to this video, watch while skipping to understand how it works for 128 words memory, and the advantages, disadvantages. then move on to other mapping techniques from this channel.
Proficiently explained........Thank you, sir!!!!
My semester exam of computer architecture is after 2 days and I'm learning all the topics from this channel he's making every topic very clear and easy amazing teaching skills tha thankyou so much sir
U make this subject easy.. Asm sir😁
thnkk u so much sir..nyc efforts...stay blessed..
Wow so awesome Bro...
Perfectly samjhadiya apne cache memory so nice explanation...😍😇💖
best explanation ever...thank you sir..love from nepal👏👏👏
This is most complicated but interesting topic..thanks sir
Sir at last bahut sahi bole ... mein Direct Mapping 1st time samajh ra hu , baki sabhi concepts single time me hi clear ho jate hain But this video needs 2 or 3 times watching.. sir me to apka effort hi dekh ra tha. This concept is quite confusing/difficult for me..
again Very well explained..👌Thank u sir..🙏
You cleared all the concept related to direct mapping thanks a lot sir
First time tag is so clear..... thanks man !!!
Cleared all doubts, thanks a lot
REALLY GREAT EXPLANATION SIR......EVERY POINT ARE EXPLAINED IN TO MUCH GOOD WAY AND FOR EVERY POINT U HAVE EXPLAINED WITH EXAMPLES..THATS REALLY TO MUCH HELPFULL TO UNDERSTAND THE CONCEPT...REALLY EXCELLENT EXPLANATION...THANKS ALOT...
sir i m preparing for ugc net 2021,nd your videos help me to keep motivated...in this days i m praying only that one day i also can teach such concept clearing topic like you...wish me good luck please
All the best...
Thank you sir
Plss tell me...is..this..is complete course of COA for gate !!???? And so is it enough to crack gate exam.?? !!plss reply...I am not studying anything yet..plss tell me..🙂🙏🙏
Amazing explanation sir
Hats off 🔥🙏🙏🙏
Excellent Explanation Sir!Thank you soo much!!!
amazing explanation sir, if you would have been my teacher i would have never missed any of your lecture!!!
super sir simply awesome.
Thanks for this video i got full clarity sir.
Ek dum op👌
Bahut bahut dhanyawad aapka
Dude… good job and thank youuu… best on TH-cam
Great explaination in simple words!
Lectures, like this one, make TH-cam great.
amazing explanation sir......simply outstanding
13:50. For those wondering why size is still 7, even though total words in Cache are 16, it's because of main memory blocks; they have 128 words, so how will we put word125 in cache? if size not 7 (but 4, for 16 words only), we can't put word125 of main memory in cache because we don't have enough bits to represent it! Even though maximum words are 16 in cache, but it can be any word (not just till word16 or whatever maximum 4 bits can accomodate), that's y it is still 7 so we can add any word of main memory block to cache.
concept were crystal clear when I saw your videos thank you sir...!!
One of the best chche mapping understanding video ever
Thankyou Sir
Thank you sir........ Bahut.. Kuch sikhne mila.... Thank you sir
ALLAH khush Rakhay Bhai apko Great Respect from Pakistan...
sir you are the best.....thank you so much ...such an amazing explanation.....wow superb.
Your explanation manner is amazing 👌
Thank You Sir ,My Test Was Awesome because of You 🔥🔥🤠
Veryy amazing sir,,,,
thank you sir for this video.
Agar app mere college me padhte hote to kitna accha tha
Mind blowing understanding sir....🥰🥰
Great Explanation.
You are genius. It's very useful content. Like it. Thanks for this content
So awesome explanation , I commented before watching the video because i know its gonna be lit
no words to say bhaiii jiiiiiii Brilliant Lecture!!!!!!!!!!!!!!!!!
Excellent explanation 🔥🔥🔥
such a super explanation just loved the video and the explanation thank you sir!!
Really great explain sir!!! I don't know Hindi but I able to understand concepts
This is a great video . And this video is very helpful . thank you so much sir.
Really sir this lecture is very helpful for me ..... tq so much sir.......all doubts clear
God level sir.
thank u sirrrrrrrrr...........................u r a lifesaver
Thanks sir ... 😃very well explained
Sir This lecture is very helpful for me thanks
sir, mere pass ravula sir ke lecture hai but direct mapping ka consept abhi ko clear hua hai. thank you sir.........
Thank you so much sir. itna asaan krdiia itna complex topic. hats off to you.
💞💞💞Salute for Ur work sir ,
Thank you sir😍🌹🇮🇳💞💞💞
Badhiya video. I dont think k book main se padh k ye samajh aata mujhko. Thanks bro..
Thanks sir, u r doing great job...
wonderful explanation, keep it up.
Amazing vedios... Thanx sir!!
Beautifully explained
Thank you sir...well explained in short time
Thank alot sir only 1 month left for my BSCS Exam I faced very difficulty in mapping but after this lecture my all concept has cleared
if u were our college teacher, i would never get sleep in your lecture!!
Mind blowing teaching method 💝💝💝