design and implementation threading the algorithm

... writes, then reads the file back sequentially, then writes 100 Mbytes randomly to the existing file, then reads 100 Mbytes randomly from the file, and finally reads the file sequentially again The bandwidth ... for the log can be generated either by copying the old blocks or by threading the log around the old blocks The left side of the figure shows the threaded log approach where the log skips over the ... by the bandwidth of the I/O and memory subsystems rather than the file allocation policies In designing a log-structured file system we decided to focus on the efficiency of small-file accesses, and...

Ngày tải lên: 12/09/2012, 15:05

... the width of the records Note that the SHORE Array implementation is the most efficient whateverthe cardinality or width of the sequence.Therefore, in all the remaining experiments,this was the ... IOOK, IOK and 1K respectively In all the graphs ,the number of fields in eachrecord varies along the X-axis, while the runtime is plotted on the Y-axis For all the implementations, the scancost ... demonstrates use of the FROM clause ,and the the OVER clausefor moving window aggregates.When there is more than one sequence specifiedin the FROM clause,there is an implicit join betweenthem on the position...

Ngày tải lên: 16/03/2014, 16:20

Ngày tải lên: 23/03/2014, 22:21

... confidence in the output .The process of design and implementation of a GIS begins with people and their needs and ends up with applications in the hands of people who the work .The entire system ... The Design and Implementation of Geographic Information Systems The Design and Implementation of Geographic Information Systems John E Harmon and Steven J Anderson This book ... ways There is a consistent look and feel to output In the process of design and implementation of this kind of database it is necessary to set standards and requirements on what the output from the...

Ngày tải lên: 01/06/2014, 12:38

... implementation on the testbed and in the simulator We then present our experimental setup for the ESL use case in Section and the performance evaluation in Section Next, related work is discussed and the final ... We measure the current consumed by the DUT, and we set the output voltage The characteristics of the energy harvester and the storage element are implemented in software Figure is the schematic ... harvestMultiplier (4) So, the new DacValue is the sum of the old DacValue and the delta that is determined by the sum of the harvested current (greater than or equal to zero) and the consumed current...

Ngày tải lên: 21/06/2014, 11:20

... decomposition, and GaussJordan algorithm These algorithms are well known and have been extensively studied, and efficient and accurate floating point implementations exist We want to explore their implementation ... each operation whereby the maximum and minimum result values are determined from the maximum and minimum values of the source operands The process is tedious and requires the designer to bring in ... system design The portability is lost in case of handoptimized assembly implementations Therefore, hand optimized assembly has the advantage of increasing algorithm speed performance but, on the other...

Ngày tải lên: 22/06/2014, 19:20

... held before the implementation of the protocol to educate nurses, RCPs and physicians who were not involved in the design of the protocol The protocol was introduced to housestaff at the start ... started the SBT from pressurecontrol ventilation Comparison Table lists the characteristics of patients in the protocol and the control groups Indications for MV in the protocol patients and the ... (1.6) Other chronic respiratory disease exacerbation (1.1) Unknown (2.7) Table shows the outcomes of the patients in the protocol and the control groups, as well as the outcomes reported in the...

Ngày tải lên: 12/08/2014, 18:21

Ngày tải lên: 11/09/2012, 15:49

... in the transition band The stopband is chosen by the design specifications Generally, the smaller dp and ds are, and the narrower the transition band, the more complicated (higher order) the designed ... illustrated in Figure 5.1(a) The regions ! !c and ! > !c are referred to as the passband and stopband, respectively The frequency that separates the passband and stopband is called the cut-off frequency ... change and completely stops the other frequencies The range of frequencies that are 184 DESIGN AND IMPLEMENTATION OF FIR FILTERS passed without attenuation is the passband of the filter, and the...

Ngày tải lên: 23/10/2013, 22:15

... the commanded speed input, ω* To this, the commanded speed signal is fed into the FO section of the design where it is subtracted from the measured speed of the rotor The error generated is then ... Furthermore, the encoder generates two pulses, A and B, which will allow the DSP controller to detect the direction of the rotor; the B pulse lags the A pulse by 900 in the positive direction The ... multiplied by the radius of the cylindrical stator Therefore, the resultant torque applied by the rotor is proportional to the relative speed of the magnetic field with respect to the speed of the rotor...

Ngày tải lên: 27/10/2013, 23:15

... passband and stopband frequency ranges, passband ripple, and stopband attenuation We then use MATLAB to design the filter and simulate its performance After the simulation results meet the given ... F < Wp, the stopband is Ws < F < 1, and Wp < Ws For highpass filters, the normalized frequency range of stopband is < F < Ws, the passband is Wp < F < 1, and Wp > Ws For bandpass and bandstop ... (6.3.20) Therefore we have to pre-wrap the critical frequencies of the analog filter 262 DESIGN AND IMPLEMENTATION OF IIR FILTERS There are three steps involved in the bilinear design procedure These...

Ngày tải lên: 28/10/2013, 05:15

... Database Design and Implementation Louis Davidson With Kevin Kline, Scott Klein, and Kurt Windisch 8662FM.qxp 7/28/08 6:19 PM Page ii Pro SQL Server 2008 Relational Database Design and Implementation ... system, without the prior written permission of the copyright owner and the publisher ISBN-13 (pbk): 978-1-4302-0866-2 ISBN-13 (electronic): 978-1-4302-0867-9 Printed and bound in the United States ... appear in this book Rather than use a trademark symbol with every occurrence of a trademarked name, we use the names only in an editorial fashion and to the benefit of the trademark owner, with...

Ngày tải lên: 29/10/2013, 15:15

... architecture and coding in T-SQL, and he has experience designing many databases and writing thousands of stored procedures and triggers through the years About the Contributing Authors sKEVIN KLINE is the ... http://www.dbdebunk.com/books.html) The problem is that most of these books have far more theory than the average practitioner wants (or will take the time to read), and they don’t really get into the actual implementation ... a good friend and giving me the chance to write the article for SQL Server Standard around the time of this book coming out All the MVPs that I’ve worked with over the past year and a half Never...

Ngày tải lên: 29/10/2013, 15:15

... how the rows are output is a cross between the function of the commands you use to retrieve them and how it is easiest for the database engine to get to the data So, the following view of the ... identified in the conceptual and logical phases will be lost Data can (and will) be added, often to handle the process of writing programs to use the data The key is to not affect the designed meaning ... in the process and provides a great communication tool for participants in the design process The second essential element of the conceptual phase is the discovery of business rules These are the...

Ngày tải lên: 08/11/2013, 21:15

... having multiple column values for each of the different pieces of information and calculating the value of the smart key The end user gets what they need, and you in turn get what you need, a column ... meaning to the police officer other than a means to quickly call up and check your records, the surrogate is used to make working with the data programmatically easier Since the source of the value ... purpose to the end user, in that the technician who received the product can decipher the value and see that in fact this product was built in a lot that contained defective whatchamajiggers, and he...

Ngày tải lên: 08/11/2013, 21:15

... and involving personnel who have the required skills s Managing the people and the process of designing and implementing the NDS design Organizational design is the synthesis of determining the ... NDS Design and Implementation Work as a design project team on a case company Create a design document for NDS for the case company Implement the NDS design 580 Service and Support Install and ... organizational NDS design This involves s Determining the organizational chart and operation of the organization s Determining the skills needed to complete the design and implementation of your...

Ngày tải lên: 10/12/2013, 16:16

... restored the program rechecks the memory and compares the checksum or CRC If they are exactly the same then the memory is left as is If they are different and therefore assumed corrupted, the program ... nibbles Then convert the left or most significant binary nibble into hex Then the same for the least significant binary nibble on the right The two hex nibbles are then put next to each other and the ... it on the output This gate is often used in conjunction with the AND, OR and XOR gates The NOT gate is placed on the input or output of the other gates to inverse the function of the gate The software...

Ngày tải lên: 12/12/2013, 21:28

... Identify the patterns that address your particular requirements, and then study the design- level and implementation- level descriptions for these patterns ● Examine the sample implementation for the ... select and use the appropriate design patterns for your presentation layers: ● Read the following pattern descriptions, and then use Figure 2.1 to understand the reasons for using each design ... security and manageability considerations affect the design of presentation layer components This appendix reviews the importance of authentication and authorization in the presentation layer and the...

Ngày tải lên: 14/12/2013, 13:15

... task and returns to the pool, the pool takes the next work item from the queue and assigns it to the thread for execution Benefits of Using the Thread Pool The runtime-managed thread pool is the ... until the first thread releases the lock using the Monitor.Exit method 120 Design and Implementation Guidelines for Web Clients The use of Monitor objects is common, and both Visual C# and Visual ... code, the compiler generates Invoke, BeginInvoke, and EndInvoke methods for the delegate Figure 6.1 on the next page shows how these methods appear in the IL Disassembler 124 Design and Implementation...

Ngày tải lên: 14/12/2013, 13:15

... • On the hub, the tunnel interfaces and the VLAN to the core MPLS PE are part of the corresponding OSPF process On the spokes, the tunnel interface and optionally the LAN-facing VLAN (if there ... • There is a very limited offering from the SPs to the enterprises—their CSC service is designed primarily for other SPs Additionally, since the VPNs are now maintained by the enterprises, the ... at the branch as well keeping it in the global table at the branch Voice in a VRF at the Branch If we need to put the voice in the VRF and still want to use voice features such as CME, then the...

Ngày tải lên: 21/12/2013, 06:15