CS501: Advance Computer Architecture Assignment # 03
January 10, 2017 at 6:40 pm #6410
Advance Computer Architecture (CS501)
Assignment # 03 (GRADED)
Total marks = 20
Deadline Date = 16-01-2017
Please carefully read the following instructions before attempting the assignment.
It should be clear that your assignment would not get any credit if:
The assignment is submitted after due date.
The submitted assignment does not open or file is corrupt.
The assignment is copied. Note that strict action would be taken if the submitted assignment is copied from any other student. Both students will be punished severely.
1) You should consult recommended books to clarify your concepts as handouts are not sufficient.
2) You are supposed to submit your assignment in .doc or docx format. Any other formats like scan images, PDF, Zip, rar and bmp etc. will not be accepted.
3) You are advised to upload your assignment at least two days before due date.
Assignment comprises of 20 Marks. Note that no assignment will be accepted after due date via email in any case (whether it is the case of load shedding or emergency electric failure or internet malfunctioning etc.). Hence, refrain from uploading assignment in the last hour of the deadline, and try to upload Solutions at least 02 days before the deadline to avoid inconvenience later on.
For any query please contact: CS501@vu.edu.pk
The objective of this assignment is to assess understanding of,
Memory Mapped I/O versus Isolated I/O
Considerations during I/O Subsystem Design
Question # 1: 10 Marks
In the following table, different parameters (Elapsed time and CPU time) are given in the context of CPU performance; you need to calculate the I/O time and percentage of elapsed time on each I/O operation.
Percentage of Elapsed Time
Question # 2: 10 Marks
In the following table, different parameters (bus request time, arbitration time and average time to complete an operation) are given in the context of Bus Arbitration; you need to calculate the maximum number of IOPS (Input/Output Operations Per Second) and discuss the possibility of performing 30 million IOPS on each bus.
Note: nsec = nano seconds = 10-9 seconds
Bus Request Time
Average Time to complete an Operation
Maximum No. of IOPS
Is possible to perform 30 million IOPS
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