Nick Lawson wrote:
>
> The times for this (Pentium 166, Sun Windows 95 JDK 1.2, Blackdown 1.2pre-v2
> + glibc 2.1 + OpenLinux 2.2,
> 500,000,000 iterations):
>
> VM: kaffe Sun Sun Blackdown Blackdown
> JIT: symcjit none sunwjit none
> ----- ------- ---- --------- ----------
> With try/catch 388,212 12,360 545,410 136,207 466,300
> Without 396,401 15,490 601,000 143,784 508,770
>
> %faster 2% 20% 9.2% 5.2% 8.3%
>
> - the last column is estimated from 50,000,000 iterations.
My results for 50M iterations in a
PII-350/RH5.2/2.2.9/J12-pre2-glibc2.0/tya1.4:
First loop (try): 11136
Second loop (no try): 11603
(This is an average of 10 runs)
It seems that there is a real performance increase (4-5%) when using exception
handling correctly...
In my experience this is the general situation with correct use of exception
handling: The code is cleaner and runs faster ;-}
-- dimitris
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