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11.7 [FTI90, KN91] Consider the single-level load-balancing scheme which works as follows: a designated processor called manager generates many subtasks and gives them one-by-one to the requesting processors on demand. The manager traverses the search tree depth-first to a predetermined cutoff depth and distributes nodes at that depth as subtasks. Increasing the cutoff depth increases the number of subtasks, but makes them smaller. The processors request another subtask from the manager only after finishing the previous one. Hence, if a processor gets subtasks corresponding to large subtrees, it will send fewer requests to the manager. If the cutoff depth is large enough, this scheme results in good load balance among the processors. However, if the cutoff depth is too large, the subtasks given out to the processors become small and the processors send more frequent requests to the manager. In this case, the manager becomes a bottleneck. Hence, this scheme has a poor scalability.
Figure 11.20 illustrates the single-level work
Assume that the cost of communicating a piece of work between any two processors is negligible. Derive analytical expressions for the scalability of the single-level loadbalancing scheme.
Compare or contrast the different types of switching used in data transmission. How many are there? What factors separate one from the other? Please elaborate.
Discuss the application areas of each method
In this assignment you will create a short text-based adventure game. The user is presented with a short text description of the state of the game and a small set of alternative actions to take.
Suppose a router has built up the routing table shown in Table 4.14. The router can deliver packets directly over interfaces 0 and 1, or it can forward packets to routers R2, R3, or R4. Describe what the router does with a packet addressed to each..
Provide a SQL statement that displays the ISBN, TITLE and PROFIT for all books where the COST is greater than or equal to $10.00 and less than or equal to $40.00. (The PROFIT is the difference between RETAIL and COST.) Include only those book..
You are the IT director for XYZ Manufacturing. Your company is a B2B (business-to-business) organization that supplies auto parts to General Motors. There are 200 employees at XYZ Manufacturing with a headquarters in Detroit, Michigan, and field offi..
what would its defi nition be in the previous link-based implementation?
Label and find the number of edges, degrees and vertex in the above digraph and find the corresponding matrix of the digraph above.
The input is a list of league game scores (and there are no ties). If all teams have at least one win and a loss, we can generally "prove," by a silly transitivity argument, that any team is better than any other.
You have a table contains the following fields: MemberLastName,MemberFirstName, Street, City, State, PostCode, and MembershipFee. What indexes would you create for the table, and why would you create these indexes?
Mr. Vasquez has been given two choices for his compensation. He can have $20,000 cash plus $500 per month for 10 years, or he can receive $12,000 cash plus $1000 per month for 5 years. If the interest rate is 8%, which is the better offer?
Write a program that reads in the length and width of a rectangular yard (in meters) and the length and width of a rectangular house (in meters) placed in the yard.
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