Please help with this Computer architecture homework question. # DataPath Performance Evaluation#### Instructions: Use the following information for all parts of the question. Please round your answers to two decimal places.- **Memory Access** = 680 ps- **ALU Operations** = 340 ps- **Register Access** = 170 ps**Note:** For this exam, the critical data path for JUMP is just the Instruction Fetch stage.---### Questions:1. **If we implement the DataPath as a single-cycle using variable cycle length, fill in the cycle time for the following statement types (critical data path) in ps.** - **R-Type**: ______ ps - **Load Type**: ______ ps - **Store Type**: ______ ps - **Branch Type**: ______ ps - **Jump**: ______ ps2. **If we implement the above DataPath using a single-cycle with fixed length, the cycle length would be ________ ps.**3. **If we are running a program with the following instruction mix:** - **R-type**: 48% - **Load type**: 19% - **Store type**: 23% - **Branch type**: 8% - **Jump**: 2% Fill in the table: | TYPE | %age | Critical Time | Weighted Time | |---------|------|---------------|---------------| | R-Type | 48% | | | | Load | 19% | | | | Store | 23% | | | | Branch | 8% | | | | Jump | 2% | | |4. **The average time** to execute an instruction is ________ ps. **Memory Performance:**The following questions will refer to the same instruction mix as above, with the following additional information:**Processor P1:**- 42% of all instructions are memory access instructions.- Level 1 Cache Access = 0.68 ns- Main Memory Access = 59 ns- 12% of all memory access is a "miss".---**Questions:**9. The clock rate of the processor = ________ GHz.10. The **Average Memory Access Time** for the given data = ________ ns.11. The **Average number of cycles** for a memory access = ________ cycles.12. Assuming that the base CPI = 1.0 cycles, and using the answer from #11, the average time to complete an instruction for the program described = ________ ns.---**Now, consider processor P2, with the addition of a Level 2 Cache, with an access time of 4.3 ns and a "hit" rate of 13%.**13. The **Average Memory Access Time** for the given data = ________ ns.14. The **Average number of cycles** for a memory access = ________ cycles.15. Assuming that the base CPI = 1.0 cycles, and using the answer from #14, the average CPI for the program described = ________ cycles.16. Which processor performs better for the program described? (P1 or P2) ________17. Including the delays in the Pipelined DataPath in question 8, and the memory performance analysis in question 15, find the Average Memory Access = ________ ns for P2.18. Find the final average effective number of cycles for processor P2 = ________19. Find the final average time to complete an instruction for processor P2 = ________

“Since you have posted multiple questions, we will provide the solution only to the first question…

DataPath Performance Evaluation: Use the following information for all parts of the question. Please round your answers to 2 decimal places. Memory Access = 680 ps ALU Operations = 340 ps Register Access = 170 ps Note: for this exam, the critical data path for JUMP is just the Instruction Fetch stage. 1. If we implement the DataPath as a single-cycle using variable cycle length, fill in the cycle time for the following statement types (critical data path) in ps. R-Type:: Load Type = Store Type = Branch Type = Jump = = ps ps ps ps ps

DataPath Performance Evaluation: Use the following information for all parts of the question. Please round your answers to 2 decimal places. Memory Access = 680 ps ALU Operations = 340 ps Register Access = 170 ps Note: for this exam, the critical data path for JUMP is just the Instruction Fetch stage. 1. If we implement the DataPath as a single-cycle using variable cycle length, fill in the cycle time for the following statement types (critical data path) in ps. R-Type:: Load Type = Store Type = Branch Type = Jump = = ps ps ps ps ps

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

Problem 1PE

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