freebsd vs linux: performance problem

Erich Dollansky oceanare at
Thu Dec 13 18:44:25 PST 2007


Nash Nipples wrote:
> sounds like a power unit problem. try to switch them and repeat.

hey, in the next step you tell him that the MTU is set wrongly.
> Now, in simple memory access operations, I see the freebsd system being
> noticably slower than the linux system. A simple C program that copies

As already mentioned, are both systems working as 32 or 64 bit systems?

> from one memory buffer to another, when executed in a loop executes
> between 10-30% slower on freebsd, as compared to linux. The assembly
> code of the program used for testing is identical in both the cases.

Don't you call memcpy?


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