user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    $0x0,%eax
  call   <omp_get_num_threads@plt>
  mov    %eax,-0x1c(%rbp)
  mov    $0x4,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <assert@plt>
  mov    -0x10(%rbp),%rax
  movl   $0x0,(%rax)
  movl   $0x0,-0x28(%rbp)
  jmp    L99
L21:
  cmpl   $0x2710,-0x28(%rbp)
  jne    L126
  mov    $0x0,%eax
  call   <current_time_ns@plt>
  mov    %rax,-0x18(%rbp)
L126:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <atomic_inc@plt>
  addl   $0x1,-0x28(%rbp)
L99:
  cmpl   $0x1adaf,-0x28(%rbp)
  jle    L21
  mov    $0x0,%eax
  call   <current_time_ns@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x1c(%rbp),%eax
  imul   $0x186a0,%eax,%eax
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm1
  mov    -0x8(%rbp),%rax
  sub    -0x18(%rbp),%rax
  test   %rax,%rax
  js     L1
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L17
L1:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L17:
  divsd  %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x0,-0x24(%rbp)
  jmp    L130
L39:
  cmpl   $0x2710,-0x24(%rbp)
  jne    L143
  mov    $0x0,%eax
  call   <current_time_ns@plt>
  mov    %rax,-0x18(%rbp)
L143:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <atomic_dec@plt>
  addl   $0x1,-0x24(%rbp)
L130:
  cmpl   $0x1adaf,-0x24(%rbp)
  jle    L39
  mov    $0x0,%eax
  call   <current_time_ns@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x1c(%rbp),%eax
  imul   $0x186a0,%eax,%eax
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm1
  mov    -0x8(%rbp),%rax
  sub    -0x18(%rbp),%rax
  test   %rax,%rax
  js     L131
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L28
L131:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L28:
  divsd  %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x0,-0x20(%rbp)
  jmp    L31
L62:
  cmpl   $0x2710,-0x20(%rbp)
  jne    L81
  mov    $0x0,%eax
  call   <current_time_ns@plt>
  mov    %rax,-0x18(%rbp)
L81:
  mov    -0x10(%rbp),%rax
  mov    $0x1,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <atomic_cas@plt>
  addl   $0x1,-0x20(%rbp)
L31:
  cmpl   $0x1adaf,-0x20(%rbp)
  jle    L62
  mov    $0x0,%eax
  call   <current_time_ns@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x1c(%rbp),%eax
  imul   $0x186a0,%eax,%eax
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm1
  mov    -0x8(%rbp),%rax
  sub    -0x18(%rbp),%rax
  test   %rax,%rax
  js     L118
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L101
L118:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L101:
  divsd  %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: tag: D6
data_type: string
name: unpack_data
arguments: tag: D28
data_type: string
name: unpack_data
arguments: tag: D5
data_type: string

tool: D6: INC : %f ops/ns


tool: D28: DEC : %f ops/ns


tool: D5: CAS : %f ops/ns


assistant: ```c
int main(int argc, char **argv) {
  int nthreads;
#pragma omp parallel
#pragma omp single
  { nthreads = omp_get_num_threads(); }
  int *shared = (int *)malloc(sizeof(int));
  assert(shared);
  *shared = 0;
  unsigned long long start, end, elapsed;
#pragma omp parallel
  {
    int i;
    for (i = 0; i < (100000 / 10) + 100000; i++) {
      if (i == (100000 / 10)) {
#pragma omp barrier
#pragma omp master
        start = current_time_ns();
      }
      atomic_inc(shared);
    }
#pragma omp barrier
#pragma omp master
    end = current_time_ns();
  }
  printf("INC : %f ops/ns\n", (double)(100000 * nthreads) / (double)(end - start));
#pragma omp parallel
  {
    int i;
    for (i = 0; i < (100000 / 10) + 100000; i++) {
      if (i == (100000 / 10)) {
#pragma omp barrier
#pragma omp master
        start = current_time_ns();
      }
      atomic_dec(shared);
    }
#pragma omp barrier
#pragma omp master
    end = current_time_ns();
  }
  printf("DEC : %f ops/ns\n", (double)(100000 * nthreads) / (double)(end - start));
#pragma omp parallel
  {
    int i;
    for (i = 0; i < (100000 / 10) + 100000; i++) {
      if (i == (100000 / 10)) {
#pragma omp barrier
#pragma omp master
        start = current_time_ns();
      }
      atomic_cas(shared, 0, 1);
    }
#pragma omp barrier
#pragma omp master
    end = current_time_ns();
  }
  printf("CAS : %f ops/ns\n", (double)(100000 * nthreads) / (double)(end - start));
  return 0;
}
```