Exam 2: Performance Issues

___________ potentially increases the amount of work available for the processor to execute.

Processors are so inexpensive that we now have microprocessors we throw away.

With respect to changes in values,the __________ Mean gives equal weight to all of the values in the data set.

Branch prediction potentially increases the amount of work available for the processor to execute.

___________ is the ability to issue more than one instruction in every processor clock cycle.

__________ law deals with the potential speedup of a program using multiple processors compared to a single processor.

Year by year the cost of computer systems continues to rise.

The __________ Mean used for a time-based variable,such as program execution time,has the important property that it is directly proportional to the total time.

The _________ Mean is preferred when calculating rates.

Multiple parallel pipelines are used in __________ .

The best-known collection of benchmark suites is defined and maintained by an industry consortium known as __________.

One increment,or pulse,of a clock is referred to as a __________ .

The __________ measures the ability of a computer to complete a single task.

Designers wrestle with the challenge of balancing processor performance with that of main memory and other computer components.

Operations performed by a processor,such as fetching an instruction,decoding the instruction,performing an arithmetic operation,and so on,are governed by a system clock.

A straight comparison of clock speeds on different processors tells the whole story about performance.

__________ Law applies to a queuing system.

Superscalar execution is the same principle as seen in an assembly line.

The best known of the SPEC benchmark suites is __________ .

A measurement of how many tasks a computer can accomplish in a certain amount of time is called a(n)__________ .