'Irmovl 3' presentation slideshows

Pipelined Implementation Part II

551 views • 42 slides

Pipelined Implementation

Pipelined Implementation. Outline. Handle Control Hazard Special cases Suggested Reading 4.5. Control Dependence. Example: loop: subl %edx, %ebx jne targ irmovl $10, %edx jmp loop targ: halt The jne instruction create a control dependency Which instruction will be executed?.

451 views • 32 slides

Pipelining II

Pipelining II. Systems I. Topics Pipelining hardware: registers and feedback paths Difficulties with pipelines: hazards Method of mitigating hazards. W. _. i. c. o. d. e. ,. W. _. v. a. l. M. W. _. v. a. l. E. ,. W. _. v. a. l. M. ,. W. _. d. s. t. E. ,. W.

292 views • 28 slides

Pipelining III

Pipelining III. Systems I. Topics Hazard mitigation through pipeline forwarding Hardware support for forwarding Forwarding to mitigate control (branch) hazards. How do we fix the Pipeline?. Pad the program with NOPs Yuck! Stall the pipeline Data hazards

365 views • 22 slides

Pipelining III

Pipelining III. Systems I. Topics Hazard mitigation through pipeline forwarding Hardware support for forwarding Forwarding to mitigate control (branch) hazards. How do we fix the Pipeline?. Pad the program with NOPs Yuck! Stall the pipeline Data hazards

231 views • 22 slides