SPEC ratios are shown for the Pentium and the Pentium Pro (Pentium+) processors Clock Pentium Pentium+ Pentium Pentium+ Rate SPECint SPECint SPECfp SPECfp 100 MHz 3.2 150 MHZ 4.3 200 MHZ 5.5 N/A 2.6 N/A 6.0 3.0 5.1 8.0 3.8 6.8 What can we learn from this information? For example, 1). SPECint shows Pentium+ is 1.4 to 1.45 times faster than Pentium. How about SPECfp results? 2). Clock rate of the Pentium doubles from 100 MHz to 200 MHz, are both the SPECint and SPECfp performance doubled correspondingly?

SPEC ratios are shown for the Pentium and the Pentium Pro (Pentium+) processors Clock Pentium Pentium+ Pentium Pentium+ Rate SPECint SPECint SPECfp SPECfp 100 MHz 3.2 150 MHZ 4.3 200 MHZ 5.5 N/A 2.6 N/A 6.0 3.0 5.1 8.0 3.8 6.8 What can we learn from this information? For example, 1). SPECint shows Pentium+ is 1.4 to 1.45 times faster than Pentium. How about SPECfp results? 2). Clock rate of the Pentium doubles from 100 MHz to 200 MHz, are both the SPECint and SPECfp performance doubled correspondingly?

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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Our favorite program runs in 10 seconds on computer A, which has a 2 GHz clock. We are trying to help a computer designer build a computer, B, which will run this program in 6 seconds. Th e designer has determined that a substantial increase in the clock rate is possible, but this increase will affect the rest of the CPU design, causing computer B to require 1.2 times as many clock cycles as computer A for this program. What clock rate should we tell the designer to target?
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Consider a program that declares global integer variables x, y[10]. Thesevariables are allocated starting at a base address of decimal 1000. All thesevariables have been initialized to zero. The base address 1000 has been placed in$gp. The program executes the following assembly instructions:lw $s1, 0($gp)addi $s1, $s1, 25sw $s1, 0($gp)lw $s2, 12($gp)add $s2, $s2, $s1sw $s2, 8($gp)sw $s2, 12($gp) What are the memory addresses of variables x, y[0], and y[1]? What are the values of variables x, y[0], y[1], and y[2] at the endof the program?