$ time ./zpu-bench zpu-bench v0.0.3 CPU = 4 COUNTER_I64 = 43007015647 DURATION_MS = 14975 DOP = 2.003 real 0m53.167s user 2m16.139s sys 0m0.152s
// https://godbolt.org/
//
long countDownToZero(long n) {
while (n) {
n -= 1;
}
return n;
}
countDownToZero:
testq %rdi, %rdi
je .L2
.L3:
subq $1, %rdi
jne .L3
.L2:
movl $0, %eax
ret