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COMPUTER SCIENCE Assume for arithmetic, load/store, and branch instructions, a processor has CPIs of 1, 12, and 5, respectively. Also assume that on a single processor a program requires the execution of 2.56E9 arithmetic instructions, 1.28E9 load/store instructions, and 256 million branch instructions. Assume that each processor has a 2 GHz clock frequency. Assume that, as the program is parallelized to run over multiple cores, the number of arithmetic and load/store instructions per processor is divided by 0.7 x p (where p is the number of processors) but the number of branch instructions per processor remains the same. 1. Find the total execution time for this program on 1, 2, 4, and 8 processors, and show the relative speedup of the 2, 4, and 8 processor result relative to the single processor result. 2. If the CPI of the arithmetic instructions was doubled, what would the impact be on the execution time of the program on 1, 2, 4, or 8 processors? 3. To what should the CPI of load/store instructions be reduced in order for a single processor to match the performance of four processors using the original CPI values? Verified answer
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COMPUTER SCIENCE Verified answer Other Quizlet setsRelated questionsWhat is a wireless network that provides communication over a short distance that is intended?Personal Area Network (PAN): It is an interconnection of personal technology devices to communicate over a short distance, which is less than 33 feet or 10 meters or within the range of an individual person, typically using some form of wireless technologies.
What is a wireless network that provides communication over short distance that is intended for use with devices that are owned and operated by a single user?personal area networks (PAN) provide communication over a short distance that is intended for use with devices that are owned and operated by a single user.
Which wireless technology found in some laptops allows a connection to a cellular network?Bluetooth, developed in the late 1990s, is a technology designed to enable short-range wireless communication between electronic devices, such as between a laptop and a smartphone or between a computer and a television.
What is Bluetooth quizlet?What is Bluetooth? An omnidirectional wireless technology that provides limited-range voice and data transmission over the unlicensed 2.4-GHz frequency band, allowing connections with a wide variety of fixed and portable devices that normally would have to be cabled together.
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What is a means by which portable devices can connect wirelessly to a local area network using access points that send and receive data via radio waves quizlet?
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