1. How to improve CPU performance under same Instruction Set Architecture following three ways: i. Clock rate improvement 11. Reduce CPI Reduce instruction count 111 Please list a factor for each of the ways mentioned above that affects them.
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- How does pipelining improve CPU efficiency? What’s the potential effect on pipelining’s efficiency when executing a conditional BRANCH instruction? What techniques can be used to make pipelining more efficient when executing conditional BRANCH instructions?A(n) ________________ instruction always alters the instruction execution sequence. A(n) ______________ instruction alters the instruction execution sequence only if a specified Condition is true._____ is a CPU design technique in which instruction execution is divided into multiple stages and different instructions can execute in different stages simultaneously.
- Explain the concept of pipelining in CPU design. How does it improve instruction execution?Describe the concept of pipelining in CPU design and its impact on instruction execution efficiency.3) Evaluate the impact of pipelining on the performance of a CPU. Discuss the conditions under which pipelining may not improve the CPU performance, considering both theoretical and practical aspects.
- When making changes to optimize part of a processor, it is often the case that speeding up one type of instruction comes at the cost of slowing down something else. For example, if we put in a complicated fast floating point unit, that takes space, and something might have to be moved farther away from the middle to accommodate it, adding an extra cycle in delay to reach that unit. The basic Amdahl?s law equation does not take into account this trade-off. a. If the new fast floating point unit speeds up floating point operations by, on average 2x, and floating operations take 20% of the original program's execution time, what is the overall speedup (ignoring the penalty to any other instructions)? b. Now assume that speeding up the floating point unit slowed down data cache accesses, resulting in a 1.5x (0r 2/3 speedup). Data cache accesses consume 10% of the execution time. What is the overall speedup now? c. After implementing the new floating point operations, what percentage of…What are the basic stages of instruction pipelining, and how do they work together to improve CPU performance?用Reac Crar Consider the diagram below that shows the fetching data flow for an indirect cycle along with the content of some memory addresses. What will be the content of the MAR register after finishing the execution of the indirect cycle for the instruction "ADD (750)" that uses indirect addressing mode? CPU MAR Memory Control unit Address Content 220 750 340 900 750 340 MBR 900 860 Address Data Control bus bus bus Select one: О 900 O 220 O 750 O 340 O860 ONone of the mentioned cholces is correct, 在
- Explain the concept of pipelining in CPU design. How does it enhance the execution of instructions?Assignment-04. A non-pipelined CPU has 12 general purpose registers (RO, R1, R2, . Following operation are supported: R12), .... ADD Ra, Rb, Rr Add Ra to Rb and store the result in Rr MUL Ra, Rb, Rr Multiply Ra to Rb and store the result in Rr MUL operations takes two dlock cycles, ADD takes one clock cycle. Calculate minimum number of clock cycles required to compute the value of the expression XY +XYZ + YZ The variables X,Y, Z are initially available in registers RO, R1 and R2 and contents of these registers must not be modified,2. Define Pipelining as related to improving processor performance, and then, calculate the number of cycles 5 instructions will take to execute, if each part of the machine execution takes 1 cycle time. a. Without pipelining - b. With pipelining –