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please explain the output ( attached ) as im so confused about what the command do . Also please answer the question below. Thankyou Output:

please explain the output ( attached )as im so confused about what the command do .Also please answer the question below. Thankyou
Output:2000 Thread 0 Thread 1
0
01000 mov 2000,%ax
01001 add $1,%ax
11002 mov %ax,2000
11003 sub $1,%bx
11004 test $0,%bx
11005 jgt .top
11000 mov 2000,%ax
11001 add $1,%ax
21002 mov %ax,2000
21003 sub $1,%bx
21004 test $0,%bx
21005 jgt .top
21000 mov 2000,%ax
21001 add $1,%ax
31002 mov %ax,2000
31003 sub $1,%bx
31004 test $0,%bx
31005 jgt .top
31006 halt
3----- Halt;Switch ---------- Halt;Switch -----
31000 mov 2000,%ax
31001 add $1,%ax
41002 mov %ax,2000
41003 sub $1,%bx
41004 test $0,%bx
41005 jgt .top
41000 mov 2000,%ax
41001 add $1,%ax
51002 mov %ax,2000
51003 sub $1,%bx
51004 test $0,%bx
51005 jgt .top
51000 mov 2000,%ax
51001 add $1,%ax
61002 mov %ax,2000
61003 sub $1,%bx
61004 test $0,%bx
61005 jgt .top
61006 halt
Question:Run with multiple iterations/threads: ./x86.py -p
looping-race-nolock.s -t 2-a bx=3-M 2000. Why does each thread loop
three times? What is final value of value?
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