4. A particular piece of loop iteration requires 6 registers, 2 of which are used to track array indices / loop counters. The other 4 registers are used to hold load values, compute results and store results. If the architecture has 32 general-purpose registers, then how many times can the loop be unrolled by the compiler?
4. A particular piece of loop iteration requires 6 registers, 2 of which are used to track array indices / loop counters. The other 4 registers are used to hold load values, compute results and store results. If the architecture has 32 general-purpose registers, then how many times can the loop be unrolled by the compiler?
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
Problem 1PE
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Problem Analysis :
Data :
- Registers required for loop Iteration = 6
- Registers required for loop indices = 2
- Registers required for other purpose = 4
- Number of general-purpose registers = 32
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