Dear all,
After a while of debugging I understand that 3 elements were added fine,
but when adding the fourth one it does not crash but says
"com.sun.jdi.InvocationException occurred invoking method." So a table
(hashtable?) of fixed size is created. Why that's happening?
On 21 May 2013 10:18, Sophie Sperner <sophie.sper...@gmail.com> wrote:
> Dear all,
>
> May i ask please about usage a bit here?
>
> Previously I had:
>
> import com.carrotsearch.hppc.IntSet;
> import com.carrotsearch.hppc.IntOpenHashSet;
> IntSet columnValues = new IntOpenHashSet();
> for loop (...) {
> if (columnValues.contains(x)) continue;
> ...
> columnValues.add(x);
> }
>
> It worked well. Now I changed:
>
> import org.apache.mahout.math.set.AbstractIntSet;
> import org.apache.mahout.math.set.OpenIntHashSet;
> AbstractIntSet columnValues = new OpenIntHashSet();
> for loop (...) {
> if (columnValues.contains(x)) continue;
> ...
> columnValues.add(x);
> }
>
> And it works for up to 5 added elements and then hangs on forever. I'm
> sorry, how correctly should I use a simple integer hashset here? I guess
> something wrong in initialization step. Unfortunately in javadoc there is
> no explanation on how to use your classes so I'm asking here.
>
> Thank you and have a nice day!
>
>
> On 20 May 2013 14:23, Suneel Marthi <suneel_mar...@yahoo.com> wrote:
>
>>
>>
>>
>>
>> ________________________________
>> From: Sophie Sperner <sophie.sper...@gmail.com>
>> To: user@mahout.apache.org
>> Sent: Monday, May 20, 2013 6:01 AM
>> Subject: Re: mahout colt collections
>>
>>
>> Dear all,
>>
>>
>> > Can you say a bit more about what you want to do?
>> >
>>
>> I have an algorithm that finds infrequent patterns in a matrix. I use hppc
>> libraries to store various data needed to traverse the search space or
>> store found patterns. I want to convert it to the same one but with mahout
>> collections used instead of hppc. Very simple.
>>
>> To Dawid: I commented all such things: new HashMap(n, 1) so the map is not
>> instantiated with highest load but it can indeed have lots of elements
>> inside. To be honest I do not know where the bug is at the moment, but I
>> think somewhere in a structure of your library (maybe it's not a bug and
>> weird behaviour). At the moment interesting to convert to mahout to see if
>> the bug remains. If yes, then I have to debug it.
>>
>> To Stevo: Thank you, I found docs by other link, no problem. Can I please
>> ask one more simple question: what is the difference between
>> mahout-math-0.7.jar and mahout-math-0.7-sources.jar . I mean which jar lib
>> I should add to my project?
>>
>> mahout-math-x.jar is the compiled one.
>>
>> mahout-math-x-sources.jar has the source code.
>>
>> For execution u only need mahout-math-x.jar.
>>
>>
>> Wish you all the best :)
>>
>> --
>> Yours,
>> Sophie
>>
>
>
>
> --
> Yours,
> Sophie
>
--
Yours,
Sophie
