i. For a second benchmark, libquantum, assume an execution time of 960 ns, CPI of 1.61, and clock rate of 3 GHz. If the execution time is reduced by an additional 10% without affecting the CPI and with a clock rate of 4 GHz, determine the number of instructions. Ans. 2146 j. Determine the clock rate required to give a further 10% reduction in CPU time while maintaining the number of instructions and with the CPI unchanged. Ans. 4.93 GHz k. Determine the clock rate if the CPI is reduced by 15% and the CPU time by 20% while the number of instructions is unchanged. Ans. 3.38 GHz
i. For a second benchmark, libquantum, assume an execution time of 960 ns, CPI of 1.61, and clock rate of 3 GHz. If the execution time is reduced by an additional 10% without affecting the CPI and with a clock rate of 4 GHz, determine the number of instructions. Ans. 2146 j. Determine the clock rate required to give a further 10% reduction in CPU time while maintaining the number of instructions and with the CPI unchanged. Ans. 4.93 GHz k. Determine the clock rate if the CPI is reduced by 15% and the CPU time by 20% while the number of instructions is unchanged. Ans. 3.38 GHz
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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![i. For a second benchmark, libquantum, assume an execution time of 960 ns, CPI of 1.61,
and clock rate of 3 GHz. If the execution time is reduced by an additional 10% without
affecting the CPI and with a clock rate of 4 GHz, determine the number of
instructions.
Ans. 2146
j. Determine the clock rate required to give a further 10% reduction in CPU time while
maintaining the number of instructions and with the CPI unchanged.
Ans. 4.93 GHz
k. Determine the clock rate if the CPI is reduced by 15% and the CPU time by 20% while
the number of instructions is unchanged.
Ans. 3.38 GHz](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feaff79ab-bbf0-4887-8cfa-3fe7bc654c8a%2F32acb20d-3dd5-4b96-832d-414bfcf7843d%2Fjtsdtln_processed.jpeg&w=3840&q=75)
Transcribed Image Text:i. For a second benchmark, libquantum, assume an execution time of 960 ns, CPI of 1.61,
and clock rate of 3 GHz. If the execution time is reduced by an additional 10% without
affecting the CPI and with a clock rate of 4 GHz, determine the number of
instructions.
Ans. 2146
j. Determine the clock rate required to give a further 10% reduction in CPU time while
maintaining the number of instructions and with the CPI unchanged.
Ans. 4.93 GHz
k. Determine the clock rate if the CPI is reduced by 15% and the CPU time by 20% while
the number of instructions is unchanged.
Ans. 3.38 GHz
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