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Implement a main method that profiles the performance of insert and outputs: ving the average time per insert as the length of the array increases. code: Setting to allow fine-tuning the granularity of the readings = NUM_READINGS = 60 =INSERTS_PER_READING = 1000 Start with an array containing 1 element new array containing one element having value 0 Take NUM_READINGS readings op NUM_READINGS times // Each reading will be taken after INSERTS_PER_READING inserts Let startTime = current time Loop INSERTS_PER_READING times Let index = random integer in range [0. array, length)

Implement a main method that profiles the performance of insert and outputs: ving the average time per insert as the length of the array increases. code: Setting to allow fine-tuning the granularity of the readings = NUM_READINGS = 60 =INSERTS_PER_READING = 1000 Start with an array containing 1 element new array containing one element having value 0 Take NUM_READINGS readings op NUM_READINGS times // Each reading will be taken after INSERTS_PER_READING inserts Let startTime = current time Loop INSERTS_PER_READING times Let index = random integer in range [0. array, length)

Database System Concepts
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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Implement a main method that profiles the performance of insert and outputs a table showing the average time per insert as the length of the array increases. Pseudocode: // Setting to allow fine-tuning the granularity of the readings Let NUM READINGS = 60 Let INSERTS PER READING = 1000 // Start with an array containing 1 element Let array = new array containing one element having value 0 // Take NUM_READINGS readings Loop NUM READINGS times. // Each reading will be taken after INSERTS PER READING inserts Let startTime = current time Loop INSERTS PER READING times Let index = random integer in range [0, array.length) Let value = random integer value Let array = Homework1.insert (array, index, value) End Loop Let stopTime = current time Let time PerInsert = (stopTime startTime) / INSERTS PER READING // Output reading in tabular format Output array length and time Per Insert End Loop Report format: Your program should output a report similar to the format below (your values will be different). You should fine-tune the INSERTS_PER_READING constant so that none of the readings ("Seconds per insert") are zero: Array length Seconds per insert 0.000024 1000 2000 0.000028 3000 0.000041 4000 0.000036 57000 0.000262 58000 0.000318 59000 0.000324 60000 0.000328
Transcribed Image Text:Implement a main method that profiles the performance of insert and outputs a table showing the average time per insert as the length of the array increases. Pseudocode: // Setting to allow fine-tuning the granularity of the readings Let NUM READINGS = 60 Let INSERTS PER READING = 1000 // Start with an array containing 1 element Let array = new array containing one element having value 0 // Take NUM_READINGS readings Loop NUM READINGS times. // Each reading will be taken after INSERTS PER READING inserts Let startTime = current time Loop INSERTS PER READING times Let index = random integer in range [0, array.length) Let value = random integer value Let array = Homework1.insert (array, index, value) End Loop Let stopTime = current time Let time PerInsert = (stopTime startTime) / INSERTS PER READING // Output reading in tabular format Output array length and time Per Insert End Loop Report format: Your program should output a report similar to the format below (your values will be different). You should fine-tune the INSERTS_PER_READING constant so that none of the readings ("Seconds per insert") are zero: Array length Seconds per insert 0.000024 1000 2000 0.000028 3000 0.000041 4000 0.000036 57000 0.000262 58000 0.000318 59000 0.000324 60000 0.000328
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Plot a scatter graph showing “Seconds per insert” (Y-axis) vs. “Array length” (X-axis)
using the profiling data that was output by main

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