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Analytical Modeling of System Temperature

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nops test

Essentially this is a while loop with a nop in it

08048394 <main>:
 8048394:       8d 4c 24 04             lea    0x4(%esp),%ecx
 8048398:       83 e4 f0                and    $0xfffffff0,%esp
 804839b:       ff 71 fc                pushl  -0x4(%ecx)
 804839e:       55                      push   %ebp
 804839f:       89 e5                   mov    %esp,%ebp
 80483a1:       51                      push   %ecx
 80483a2:       83 ec 10                sub    $0x10,%esp
 80483a5:       c7 45 f8 00 00 00 00    movl   $0x0,-0x8(%ebp)
 80483ac:       90                      nop    
 80483ad:       eb fd                   jmp    80483ac <main+0x18>
 80483af:       90                      nop    
int add test

Essentially this is a while loop with a x++ in it

08048394 <main>:
 8048394:       8d 4c 24 04             lea    0x4(%esp),%ecx
 8048398:       83 e4 f0                and    $0xfffffff0,%esp
 804839b:       ff 71 fc                pushl  -0x4(%ecx)
 804839e:       55                      push   %ebp
 804839f:       89 e5                   mov    %esp,%ebp
 80483a1:       51                      push   %ecx
 80483a2:       83 ec 10                sub    $0x10,%esp
 80483a5:       c7 45 f8 00 00 00 00    movl   $0x0,-0x8(%ebp)
 80483ac:       83 45 f8 01             addl   $0x1,-0x8(%ebp)
 80483b0:       eb f3                   jmp    80483a5 <main+0x11>
 80483b2:       90                      nop    
 80483b3:       90                      nop    
 80483b4:       90                      nop    
 80483b5:       90                      nop    
 80483b6:       90                      nop    
 80483b7:       90                      nop    
 80483b8:       90                      nop    
 80483b9:       90                      nop    
 80483ba:       90                      nop    
 80483bb:       90                      nop    
 80483bc:       90                      nop    
 80483bd:       90                      nop    
 80483be:       90                      nop    
 80483bf:       90                      nop    
int sub test

Essentially this is a while loop with a x– in it

08048394 <main>:
 8048394:       8d 4c 24 04             lea    0x4(%esp),%ecx
 8048398:       83 e4 f0                and    $0xfffffff0,%esp
 804839b:       ff 71 fc                pushl  -0x4(%ecx)
 804839e:       55                      push   %ebp
 804839f:       89 e5                   mov    %esp,%ebp
 80483a1:       51                      push   %ecx
 80483a2:       83 ec 10                sub    $0x10,%esp
 80483a5:       c7 45 f8 02 00 00 00    movl   $0x2,-0x8(%ebp)
 80483ac:       83 6d f8 01             subl   $0x1,-0x8(%ebp)
 80483b0:       eb f3                   jmp    80483a5 <main+0x11>
 80483b2:       90                      nop    
 80483b3:       90                      nop    
 80483b4:       90                      nop    
 80483b5:       90                      nop    
 80483b6:       90                      nop    
 80483b7:       90                      nop    
 80483b8:       90                      nop    
 80483b9:       90                      nop    
 80483ba:       90                      nop    
 80483bb:       90                      nop    
 80483bc:       90                      nop    
 80483bd:       90                      nop    
 80483be:       90                      nop    
 80483bf:       90                      nop    
int mul test

Essentially this is a while loop which takes two integers (x=54;y=82;) and multiplies them (z=x*y).

08048394 <main>:
 8048394:       8d 4c 24 04             lea    0x4(%esp),%ecx
 8048398:       83 e4 f0                and    $0xfffffff0,%esp
 804839b:       ff 71 fc                pushl  -0x4(%ecx)
 804839e:       55                      push   %ebp
 804839f:       89 e5                   mov    %esp,%ebp
 80483a1:       51                      push   %ecx
 80483a2:       83 ec 10                sub    $0x10,%esp
 80483a5:       c7 45 f8 36 00 00 00    movl   $0x36,-0x8(%ebp)
 80483ac:       c7 45 f4 52 00 00 00    movl   $0x52,-0xc(%ebp)
 80483b3:       8b 45 f8                mov    -0x8(%ebp),%eax
 80483b6:       0f af 45 f4             imul   -0xc(%ebp),%eax
 80483ba:       89 45 f0                mov    %eax,-0x10(%ebp)
 80483bd:       eb e6                   jmp    80483a5 <main+0x11>
 80483bf:       90                      nop    
int div test

Essentially this is a while loop which takes two integers (x=54;y=82;) and multiplies them (z=y/x).

08048394 <main>:
 8048394:       8d 4c 24 04             lea    0x4(%esp),%ecx
 8048398:       83 e4 f0                and    $0xfffffff0,%esp
 804839b:       ff 71 fc                pushl  -0x4(%ecx)
 804839e:       55                      push   %ebp
 804839f:       89 e5                   mov    %esp,%ebp
 80483a1:       51                      push   %ecx
 80483a2:       83 ec 18                sub    $0x18,%esp
 80483a5:       c7 45 f8 36 00 00 00    movl   $0x36,-0x8(%ebp)
 80483ac:       c7 45 f4 52 00 00 00    movl   $0x52,-0xc(%ebp)
 80483b3:       8b 45 f4                mov    -0xc(%ebp),%eax
 80483b6:       89 45 e4                mov    %eax,-0x1c(%ebp)
 80483b9:       8b 55 e4                mov    -0x1c(%ebp),%edx
 80483bc:       89 d0                   mov    %edx,%eax
 80483be:       c1 fa 1f                sar    $0x1f,%edx
 80483c1:       f7 7d f8                idivl  -0x8(%ebp)
 80483c4:       89 45 f0                mov    %eax,-0x10(%ebp)
 80483c7:       eb dc                   jmp    80483a5 <main+0x11>
 80483c9:       90                      nop    
 80483ca:       90                      nop    
 80483cb:       90                      nop    
 80483cc:       90                      nop    
 80483cd:       90                      nop    
 80483ce:       90                      nop    
 80483cf:       90                      nop    

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