I am testing AIMA-4 edition of Java with only CSP.
My machine is

CPU: ` Intel® Core(TM) i7-4790 CPU @ 3.6GHz 3.6Hz
Cores: 4
Thread: 8
Processor Base Frequency: 3.6 GHz
Max Turbo Frequency: 4.0 GHz
Cache: 8 MB Smart Cache
Bus Speed: 5 GT/s DMI2
Installed memory (RAM): 8.00GB
GPU: Intel® HD Graphics 4600
Operating System(OS): Window 8.1 Pro 64bit (6.3,Build 9600)

My environment is

Compiler: Jdk 1.8.0_211
IDE: IntelliJ IDEA Community Edition

I have caught the run time of Map CSP Australia in 10 times and average on it.

BT 0.058 s
FC 0.068 s
FC+MRV 0.075 s
FC+LCV 0.068 s
MAC 0.061 s

These results does not meet the theory described in AIMA Testbook @norvig .AIMA 3 edition meets mostly but not in FC+LCV but in 4 edition it doesn't meet at all.

I have tested aima python.It is a perfect library and all meets the theory described in book.
The book says FC+MRV should faster than BT about 3-3000 times.
@ctjoreilly @Medeah @manuel-delverme @sebkur @Mrflow Please check the topic in CSP.
It dangers to the novice learners.

Regards,
Thwin
thuriyathwin@ucsm.edu.mm