Update performance data using localhost server

# Reference implementation result / performance

# Testing environment:

# Postgresql 13.3-2 for Windows

# Windows 10 x64 20H2

# Intel Core i7-8700K @ 5GHz

# 2x 8GB DDR4 @ 4266MHz

# Intel SSD 750 1.2T

Import departments

Import majors

Import users

Import sections

Import classes

Import major courses

Import time usage: 4.57s

Import time usage: 2.03s

Test search course 1: 500

Test search course 1 time: 2.89s

Test search course 1 time: 1.31s

Test enroll course 1: 1000

Test enroll course 1 time: 1.31s

Test enroll course 1 time: 0.29s

Test drop enrolled course 1: 808

Test drop enrolled course 1 time: 0.87s

Test drop enrolled course 1 time: 0.16s

Import student courses

Import student courses time: 9.53s

Import student courses time: 2.61s

Test drop course: 88649

Test drop course time: 7.38s

Test drop course time: 1.17s

Test course table 2: 1000

Test course table 2 time: 2.61s

Test course table 2 time: 0.58s

Test search course 2: 500

Test search course 2 time: 3.36s

Test search course 2 time: 1.33s

Test enroll course 2: 1000

Test enroll course 2 time: 1.29s

Test enroll course 2 time: 0.25s