Two different compilers are being tested for a 1GHZ machine with three different classes of instructions: Class A, Class B, and Class C, which require 2, 4 and 6 cycles (respectively). Both compilers are used to produce code for a large piece of software. Compiler 1 generates code with 4 billion Class A instructions, 1 billion Class B instructions, and 1 billion Class C instructions. Compiler 2 generates code with 8 billion Class A instructions, 1 billion Class B instructions, and 1 billion Class C instructions. i. What is the global CPI for each implementation? ii. Which sequence will be faster?
Two different compilers are being tested for a 1GHZ machine with three different classes of instructions: Class A, Class B, and Class C, which require 2, 4 and 6 cycles (respectively). Both compilers are used to produce code for a large piece of software. Compiler 1 generates code with 4 billion Class A instructions, 1 billion Class B instructions, and 1 billion Class C instructions. Compiler 2 generates code with 8 billion Class A instructions, 1 billion Class B instructions, and 1 billion Class C instructions. i. What is the global CPI for each implementation? ii. Which sequence will be faster?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:Two different compilers are being tested for a 1GHZ machine with three different classes of instructions: Class A,
Class B, and Class C, which require 2, 4 and 6 cycles (respectively). Both compilers are used to produce code for a
large piece of software.
Compiler 1 generates code with 4 billion Class A instructions, 1 billion Class B instructions, and 1 billion
Class C instructions.
Compiler 2 generates code with 8 billion Class A instructions, 1 billion Class B instructions, and 1
billion Class C instructions.
i. What is the global CPI for each implementation?
ii. Which sequence will be faster?
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