mozilla/rust — Issue #1527: shootout-fibo is significantly slower with optimizations
Author: brson
Created: 2012-01-15 01:23:39+00:00
State: open
Labels: bug, perf

After adding a call to fib(42) in fibo's main function.

Without -O:

```
real 0m3.098s
user 0m3.080s
sys 0m0.010s
```

With -O:

```
real 0m5.799s
user 0m5.770s
sys 0m0.020s
```