BIRD - memory usage - question

[Javor Kliachev]

Hi Ondrej,

Thanks for your fast accurate response.

Best~

On 07/31/2013 06:18 PM, Ondrej Zajicek wrote:
> On Wed, Jul 31, 2013 at 05:01:35PM +0300, Javor Kliachev wrote:
>> Hello,
>>
>> In the documentation it is stated, that pair sets defined like this
>> [(1..100,123)] are in fact translated to
>> [(1,123),(2,123),(3,123),...,(100,123)] and hence there is an
>> considerably increased memory footprint.
>>
>> Is this also true if  the right member of the pair is defined as a range
>> or as *:
>>
>> [(123,*)]  =?=  [(123,0),(123,1),(123,2),...,(123,65535)]
>>
>> Should I consider an eventual intensive memory usage in both cases?
> No. Pair sets like [(123,10..100)], [(123,*)] or even [(10..100,*)] are
> efficient. Think about it like the value on the right side sudivides the
> value on the left side, therefore (123,10..100) is one interval from
> (123,10) to (123,100), while (10..100,123) is many small (single-pair)
> intervals.
>


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