**Chương 5: Bộ nhớ** **Nguyên lý vị trí** * Các chương trình chỉ truy cập một phần nhỏ không gian địa chỉ của chúng vào bất kỳ thời điểm nào. * Nguyên lý vị trí tạm thời: Các mục đã truy cập gần đây có khả năng được truy cập lại sớm. * Nguyên lý vị trí không gian: Các mục gần những mục đã truy cập gần đây có khả năng được truy cập sớm. **Phân cấp bộ nhớ** * Khai thác nguyên lý vị trí bằng cách lưu trữ mọi thứ trên đĩa. * Sao chép các mục được truy cập gần đây đến bộ nhớ DRAM nhỏ hơn (bộ nhớ chính) * Sao chép các mục được truy cập gần đây hơn đến bộ nhớ SRAM nhỏ hơn (bộ nhớ đệm gắn với CPU) **Bộ nhớ đệm** * Cung cấp thời gian truy cập thấp hơn so với DRAM. * Vị trí dữ liệu được xác định bằng địa chỉ. **Đánh dấu trực tiếp** * Chỉ có một lựa chọn vị trí cho một mục. * Kiểm tra chỉ số (phần địa chỉ cấp thấp) để tìm vị trí đệm. **Thẻ & Trạng thái hợp lệ** * Thẻ: Lưu trữ các bit địa chỉ cấp cao của mục đang lưu trữ. * Trạng thái hợp lệ: Chỉ ra xem mục có hợp lệ hay không. **Đánh dấu kết hợp** * Nhiều vị trí đệm có thể lưu trữ cùng một mục. * Kiểm tra cả thẻ và chỉ mục để tìm vị trí đệm. * Các bộ so sánh tìm kiếm song song. **Các loại kết hợp** * Đánh dấu trực tiếp: Một vị trí, đơn giản nhất. * Đánh dấu toàn kết hợp: Nhiều vị trí, đắt và phức tạp nhất. * Bốn chiều: Số điểm đến giữa hai loại trên. * Nhóm kết hợp: Kết hợp nhiều bộ đánh dấu trực tiếp. **Đo lường hiệu suất đệm** * Thời gian truy cập trung bình (AMAT): * AMAT = Thời gian truy cập tích hợp + Tỷ lệ trượt * Hình phạt trượt
Ngày tải lên: 03/07/2014, 11:20
... presented and used to model and design systems that have to meet stringent structural requirements The formalism of Petri Nets and Colored Petri Nets is used to depict intelligent nodes and the ... based on the view of the organization as an information processing and decision making system The cognitive limitations of humans (or the memory and information processing limitations of machines) ... of information 112 INTELLIGENT AND AUTONOMOUS CONTROL between two nodes, - or the rules and protocols that govern the interactions - such as the conditions under which two nodes may share information
Ngày tải lên: 07/11/2013, 09:15
Tài liệu Dive Into Python-Chapter 5. Objects and Object-Orientation ppt
... Chapter 5. Objects and Object-Orientation This chapter, and pretty much every chapter after this, deals with object- oriented Python programming. 5. 1. Diving In Here is ... comment=http://mp3.com/cynicproject album=Digitosis@128k artist=VXpanded title=Spinning genre= 255 name=/music/_singles/spinning.mp3 year=2000 comment=http://mp3.com/artists/ 95/ vxp 5. 2. Importing Modules Using from module ... attributes and class attributes, and understanding the differences between them Defining private attributes and methods ... the subclass, so you would need to iterate through them and make
Ngày tải lên: 14/12/2013, 14:15
Báo cáo khoa học: "Modeling Inflection and Word-Formation in SMT" doc
... lemma w i? ?5 w i +5 , tag w i−7 w i+7 Case case w i? ?5 w i +5 Gender gender w i? ?5 w i +5 Number number w i? ?5 w i +5 in-weak-context in-weak-context w i? ?5 w i +5 Table 3: Feature functions used in CRF models ... stemmed (separated) surface form, part-of-speech 14 and frequencies from the training corpus for bigrams/merging of word and word+ 1, word as true prefix, word+ 1 as true suf- fix, plus frequency comparisons ... gender and number features). Other words are also represented by their stems (except for words not covered by SMOR, where surface forms are used instead). 3 Portmanteaus Portmanteaus are a word- formation
Ngày tải lên: 24/03/2014, 03:20
Chapter 5 - Pointers and Strings docx
... Inc All rights reserved 27 51 52 53 54 55 56 57 58 59 60 61 62 Outline } // end function bubbleSort // swap values at memory locations to which // element1Ptr and element2Ptr point void ... reserved. 1 Chapter 5 - Pointers and Strings Outline 5. 1 Introduction 5. 2 Pointer Variable Declarations and Initialization 5. 3 Pointer Operators 5. 4 Calling Functions by Reference 5. 5 Using const ... rights reserved 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 // Fig 5. 15: fig 05_ 15. cpp // This program... d:\cpphtp4_examples\ch 05\ Fig 05_ 12.cpp(21) : error C2166:
Ngày tải lên: 24/03/2014, 20:20
CHAPTER 5 Macros and subprograms - CHAPTER 6 Examples for subsystems within microcontroller potx
... CHAPTER Macros and subprograms Introduction 5. 1 Macros 5. 2 Subprograms 5. 3 Macros used in the examples Introduction Same or similar ... If two lower bytes total exceeds 255 (maximum for a byte) carry is added to variable RESH Basic difference between macro and subprogram is that the macro stands for its definition code (sparing ... macros, bank0 and bank1 Macros Bank0 and Bank1 are given for illustrational purposes more than practical, since directive BANKSEL NameSFR does the same job Just write BANKSEL TRISB and the bank
Ngày tải lên: 28/06/2014, 07:20
Chapter 5: Training and development pot
... Dowling and Denice Welch 5/ 17 Chapter summary This chapter has concentrated on the issues relating to training and developing expatriates for international... Dowling and Denice Welch 5/ 13 ... Dowling and Denice Welch 5/ 5 International assignments as a training and development tool • Expatriates are trainers • Expatriates show how systems and procedures work, ensure adoption, and ... Peter Dowling and Denice Welch 5/ 1 Chapter 5 Training and development Use with International Human Resource Management ISBN 1-84480013-X Published by Thomson Learning © Peter Dowling and Denice
Ngày tải lên: 31/07/2014, 17:20
CHAPTER 5 - SERIES AND PARALLEL CIRCUITS ppt
... 10k 5k 9 dc v(1,2) v(2,3) v(3,0) Now, all I have to is run the SPICE program to process the netlist and output the results: v1 9.000E+00 v(1,2) 1 .50 0E+00 v(2,3) 5. 000E+00 v(3) 2 .50 0E+00 i(v1) -5. 000E-04 ... of R1, R2, and R3: Now we have all the necessary information to calculate circuit current, because we have the voltage between points and (9 volts) and the resistance between points and (18 kΩ): ... to and back to again There's another from to to to to to and back to again And then there's a third path from to to to to to to to and back to again Each individual path (through R1, R2, and
Ngày tải lên: 09/08/2014, 13:21
Novel biodegradable cationic core shell nanoparticles for codelivery of drug and DNA chapter 5 conclusions and recommendations
... water and sodium acetate buffer with pH of 5. 6 and 4.6 at very low concentrations For example, the CMC of P(MDS-coCES) (Batch No 120902b), obtained from the I338/I333 ratios, was 1.9, 1.9 and 1 .5 ... particle size increased immediately up to 4 25 nm from about 255 nm In the presence of 1% and 3% BSA, the size of the micelles changed in a narrow range from 1 35 to 161 nm This may be due to the presence ... example, the CMC of PEG5000-P(MDS-co-CES), obtained from the I338/I333 ratios was 13.2, 18.8, 180 13.2 mg/L in DI water and 0.02M sodium acetate buffer with pH of 5. 6 and 4.6 respectively The
Ngày tải lên: 16/09/2015, 15:54
Chapter 5 oceans and coasts
... Chapter Oceans and Coasts By Susan Stempleski This chapter outlines a 50 -minute lesson that explores the present state of the world’s oceans and coasts and the important role ... Background Information State of the World’s Coasts Most of the world’s coasts are polluted The two biggest and most serious causes of coastal pollution are sewage disposal, and sedimentation from land-clearing ... come from land and remain in water near the coastal areas Pollution from litter and chemicals is present in all the world’s oceans, from coastal areas to the open ocean Most of the trash and pollutants
Ngày tải lên: 13/10/2016, 21:33
Medical assisting Administrative and clinical procedures (5e) Chapter 5 Legal and ethical issues
... releasing information 5- 56 5- 57 Apply Your Knowledge A police officer enters the physician’s office where you work and requests information about a patient May you release this information? What ... Security Rule – Violations and penalties – Administrative simplification • Standardizing patient information • Standardized codes and formats – electronic transaction records 5- 54 Apply Your Knowledge ... patient information confidential Use the same degree of confidentiality for all patients 5- 55 Confidentiality Issues and Mandatory Disclosure (cont.) Be aware of all applicable laws and of the
Ngày tải lên: 22/05/2017, 16:43
english time 5 picture and word cards
... well as word and punctuation cards for all of the grammar patterns and exercises The book is divided into two sections: Picture and Word Cards and Grammar Cards Storing the Cards Picture and Word ... Introducing and Practicing Vocabulary Using picture and word cards is an excellent way to introduce and practice the target vocabulary words Students understand the meaning of the target words without ... The picture and word cards are the same size for easy photocopying and cutting Grammar Cards There is one card for each word, phrase, and punctuation mark found in the grammar boxes and exercises
Ngày tải lên: 30/07/2017, 08:36
Chapter 5:financial and accounting
... Confirmation Analytical Procedures (internal and external) (internal and external) (internal and external) (external) (external) • Follow Generally Accepted Auditing Standards (GAAS) 18 ... transactions and journal entries – Amounts are incorrect – Incorrect accounts involved • Errors in accounts and ledgers – Posting to the wrong account – Posting the wrong amount E5-2 Safeguards ... authorization – Physical control over assets and records • Detective Controls – Adequate documents and records – Independent checks on performance E5-4 Segregation of Duties Authorization – Authorizing
Ngày tải lên: 08/05/2018, 10:07
Lecture Judgment in managerial decision making (8e) - Chapter 5: Framing and the reversal of preferences
... Choices Choose between: e a 25 percent chance to win $240 and a 75 percent chance to lose $760 f a 25 percent chance to win $ 250 and a 75 percent chance to lose $ 750 Perceptions of Certainty Which ... 80 percent chance to win $ 45 (26%) Which of the following options you prefer? e a 25 percent chance to win $30 (42%) f a 20 percent chance to win $ 45 (58 %) Framing and the Overselling of Insurance ... would you do? Lawsuit You are being sued for $50 0,000 and estimate that you have a 50 percent chance of losing the case in court (expected value = –$ 250 ,000) However, the other side is willing to
Ngày tải lên: 16/01/2020, 06:02
Lecture Principles of Marketing - Chapter 5: Consumer and business buyer behavior
... Chapter Five Consumer and Business Buyer Behavior Roadmap: Previewing the Concepts Understand the consumer market and the major factors that influence consumer buyer behavior Identify and ... emotions and motivation Consumer emotions, motivations, and lifestyle have been translated into effective advertising Currently has 23% of all U.S bike sales and 50 % of heavyweight segment Demand ... Concepts Understand the consumer market and the major factors that influence consumer buyer behavior Identify and discuss the stages in the buyer decision process Describe the adoption and diffusion
Ngày tải lên: 18/01/2020, 21:52
Lecture Principles of microeconomics - Chapter 5: Elasticity and its application
... Price A 25% $5 increase in price Demand Quantity 75 100 .leads to a 25% decrease in quantity Elastic Demand - Elasticity is greater than Price A 25% $ increase in price Demand Quantity 50 100 ... Price elasticity of demand is greater than one Inelastic Demand - Elasticity is less than Price A 25% $5 increase in price Demand Quantity 90 100 .leads to a 10% decrease in quantity Unit Elastic Demand - Elasticity ... INELASTIC DEMAND ELASTIC DEMAND Decrease in Price ELASTIC DEMAND INELASTIC DEMAND An Example of an Inelastic Good Oil? ?and? ?Oil Prices Insert Economics Video This video will show File 1? ?and? ?play Arab Oil
Ngày tải lên: 04/02/2020, 04:55
Lecture Principles of economics - Chapter 5: Elasticity and its applications
... Variety of Demand Curves • Inelastic Demand • Quantity demanded does not respond strongly to price changes • Price elasticity of demand is less than one • ElasticDemand Quantitydemandedrespondsstronglytochangesin ... OF DEMAND • Price elasticity of demand is a measure of how muchthequantitydemandedofagood respondstoachangeinthepriceofthatgood Priceelasticityofdemandisthepercentage changeinquantitydemandedgivenapercent ... APPLICATION OF SUPPLY, DEMAND, AND ELASTICITY • Examine whether the supply or demand curve shifts • Determine the direction of the shift of the curve • Use the supply? ?and? ?demand diagram to see how the market equilibrium changes
Ngày tải lên: 04/02/2020, 15:17
Lecture Public economics (5th edition) - Chapter 5: Equity and social welfare
... The expected benefits of a policy of redistribution should be carefully weighed against the possible negative effects it might have on labour supply and on savings and investment, and hence on economic growth in the long term ... Additive (or cardinal) welfare function – – • Ordinal function • Willingness to work – Income and substitution effects ((dis) incentive effect) • Taxation and subsidisation The expected benefits of a policy of redistribution should be carefully weighed ... • • • • • Distinguish between the Pareto and Bergson criteria for a welfare improvement Discuss Nozick’s entitlement theory and its relevance to the recent history of South Africa
Ngày tải lên: 04/02/2020, 17:10
Lecture Mechanics of materials (Third edition) - Chapter 5: Analysis and design of beams for bending
... Problem 5. 8 • Considering the entire beam as a free-body, determine the reactions at A and D ∑ M A = = D (5 m ) − (60 kN )(1 .5 m ) − (50 kN )(4 m ) D = 58 .0 kN ∑ Fy = = Ay + 58 .0 kN − 60 kN − 50 kN ... Analysis and Design of Beams for Bending Introduction Shear and Bending Moment Diagrams Sample Problem 5. 1 Sample Problem 5. 2 Relations Among Load, Shear, and Bending Moment Sample Problem 5. 3 Sample ... DeWolf Shear and Bending Moment Diagrams • Determination of maximum normal and shearing stresses requires identification of maximum internal shear force and bending couple • Shear force and bending
Ngày tải lên: 10/02/2020, 08:53
Lecture Discrete mathematics and its applications - Chapter 5: Induction and recursion
... subset of the set of positive integers has a least element (see Section? ?5. 2? ?and? ?Appendix 1). Here is the proof: Suppose that P(1) holds? ?and? ?P(k) → P(k + 1) is true for all positive integers k. Assume there is at least one positive integer n ... Complexity of Merge: Two sorted lists with m elements and? ?n elements can be merged into a sorted list using no Merging Two Lists Example: Merge the two lists 2,3 ,5, 6 ? ?and? ?1,4 Solution: Complexity of Merge ... greatest common divisor of two nonnegative integers a? ?and? ? b with a 0 procedure gcd(a,b: Recursive Modular Exponentiation Algorithm Example: Devise a a recursive algorithm for computing bn mod m, where b, n,? ?and? ?m are integers with m ≥ 2,
Ngày tải lên: 14/10/2020, 14:55
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