DarekM schrieb:
> Florian Klaempfl pisze:
>> An if is unimportant, more important is the number of locked operations,
>> especially on multi core systems they might eat hundreds of clock cycles.
>>   
> There are atomic operations, the should not  eat much more than ordinal
> INC or ADD,

If course they are. They require no more a bus lock as in 486 times but
a synchronization of all caches for this particular memory location.
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