Of course, the hardware doesn¡¯t really execute MIPS assembly language code. The hardware can only store bits, and so the instructions it executes must be expressed in a suitable binary format. We call the language made up of those instructions the machine language. Different families of processors typically support different machine languages. In the beginning, […]
Use main memory as a “cache” for secondary (disk) storage – Managed jointly by CPU hardware and the operating system (OS) Programs share main memory – Each gets a private virtual address space holding its frequently used code and data – Protected from other programs CPU and OS translate virtual addresses to physical addresses –
I. II. III. Introduction Performance Evaluation Processor Design and Analysis Single-cycle implementation Multi-cycle implementation Pipelined implementation Hazards Forwarding Memory Design and Analysis Cache block size and associativity Virtual memory I/O Design and Analysis Parity ECC Scheduling Basic OS Functions IV. V. I. II. III. IV. V. I. II. I. II. III. VI. Course Outline Overview
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Pipelined laundry: overlapping execution – Parallelism improves performance Four loads: – serial throughput: 0.5 load/hr – pipelined throughput: 1.14 load/hr – speedup: 8/3.5 ≈ 2.3 Non-stop speedup: 2n/(0.5n + 1.5) ≈ 4 Pipelining Analogy Intro Pipeline 1 CS@VT Computer Organization II ©2005-2015 McQuain Basic Idea What if we think of the simple datapath as a
Situations that prevent starting the next instruction in the next cycle Structural hazards – A required resource is busy Data hazard – Need to wait for previous instruction to complete its data read/write Control hazard – Deciding on control action depends on previous instruction Hazards Pipeline 1 CS@VT Computer Organization II ©2005-2015 McQuain Conflict for
Major components: – memory – centralprocessingunit – registers – thefetch/executecycle (the hardware process) CPU Main Memory 0 PC IR Ex Unit Instruction Instruction Instruction Data Data Data System Bus I/O Module n-1 buffers Instr Decoding Registers Arithmetic/Logic PC IR = program counter = instruction register Hardware Level Organization Intro MIPS 1 CS@VT Computer Organization II
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CS 2210 Programming Project (Part IV) March 27, 2019 Code Generation This project is intended to give you experience in writing a code generator as well as bring together the various issues of code generation discussed in the text and in class. Project Summary Your task is to write a code generator, the final phase
Lab Basic Blocks J. Nelson Amaral A Basic Block Only the first instruction of a basic block can be the target of a branch. Execution can only start here TARGET: If any instruction of the basic block is executed, then all of them must be executed. andi $t2, $t0, 0x1 add $t2, $t2, $t4 or
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# CSCI 3366 Programming Languages ### Problem Set 10 (14 Points) : Part 2 of a two-part Compiler for MiniC ##### Due: Wednesday May 1, Midnight #### NB: The final project cannot be submitted late. ##### R. Muller — This is a pair problem set. Please continue working with your partner from part 1 of
COMP 273 Assignment 4 School of Computer Science McGill University Available On: Friday, March 22, 2019. Due Date: Friday, April 5, 2019 11:59pm. Submit your solution in electronic form using MyCourses Read the submission instructions at the end of the document (Late policy: 10 marks off per day late, up to 2 days late. 0
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