Assume that your cache has 2% miss rate for instruction memory and 4% miss rate for data memory. The miss penalty for instruction memory cache is 100 cycles and for data memory cache is 200 cycles. The base CPI is 1 cycle. Assume that you have a code which contains 200 instructions and 40% of them are load and store instruction, rest of them are R type of arithmetic instruction. What is the total clock cycle to execute the code? Hint: The question is asking the TOTAL clock cycle, not average CPI.

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Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.