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<div class="moz-cite-prefix">Hi Ondrej,<br>
<br>
Thanks for your fast accurate response.<br>
<br>
Best~<br>
<br>
On 07/31/2013 06:18 PM, Ondrej Zajicek wrote:<br>
</div>
<blockquote cite="mid:20130731151807.GA10483@localhost" type="cite">
<pre wrap="">On Wed, Jul 31, 2013 at 05:01:35PM +0300, Javor Kliachev wrote:
</pre>
<blockquote type="cite">
<pre wrap="">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?
</pre>
</blockquote>
<pre wrap="">
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.
</pre>
</blockquote>
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