{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Quiz 6 answer - a To improve memory performance b To...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
EE504C Quiz 6 Spring, 2008 Problem 1: Fill in the following for the common data bus broadcasters receivers CDB content FUs, load FUs, load, store, regfile Reservation no, result Problem 2: In a load buffer, the VJ field contains a. The instruction that will write into the register i, b. The slot number of the load buffer that will load into the register i, c. Valid data for source operand Rs if QJ = 0, d. Valid data for the base address register when QJ = 0, or e. Other____________________________________________________________ ANS: (c) and (d) Problem 3: the A field in a load/store buffer is used to store Problem 4: Why is the load/store buffer a FIFO queue?
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a. To improve memory performance, b. To prevent access conflicts to different memory locations, c. To prevent data hazards in the pipeline, d. Because FIFO is an efficient storage implementation, or e. Other______________________________________________________________ ANS: (e) to keep memory access in program order. Problem 5: An instruction window has K entries. There are L functional units in our superscalar CPU. Assume an instruction stays inside the instruction window until it completes execution and data is written back to the destination register. An instruction enters into the jth slot of the instruction window. Calculate the number of operand checks the CPU must do for this new instruction. For this problem assume all instructions are R-type. ANS: 3*3*(j-1)...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern