Re: ExtSSTRecord [Scanned For Viruses] [Scanned For Viruses] [Sca nned For Viruses] [Scanned For Viruses]

["Andrew C. Oliver" <ac...@apache.org>]

Check out the performance branch...  Do you think you could impelment it 
there too?  (It will be radically different as no treemap)...

-Andy

Height, Jason wrote:

>The performance cost is not bad, I just wanted to mention that there is one.
>
>
>What happens in my implementation is that I need to be able to write out a
>set of rows and a set of cells for those rows. Since a TreeMap is used to
>store the rows and values I call TreeMap.values().iterator() to traverse the
>rows and values.
>
>So the cost is the memory required to create a Collection, Iterator and then
>the performance cost of iterating the rows & values. In my experiments the
>cost isn't noticeable, although I was only using excel files that have a
>small number of rows (~35), but around 400 cells.
>
>Jason
>
>
>-----Original Message-----
>From: Andrew C. Oliver [mailto:acoliver@apache.org] 
>Sent: Tuesday, 4 February 2003 23:55
>To: POI Developers List
>Subject: Re: ExtSSTRecord [Scanned For Viruses] [Scanned For Viruses] [Sca
>nned For Viruses] [Scanned For Viruses]
>
>  
>
>>One point I made in the bug report was that there is a performance cost
>>associated with correctly implementing these records (need to temporary
>>Collections and iterators over the TreeMap collections in the Aggregate
>>classes). I thought that I would address the performance issues of the
>>    
>>
>patch
>  
>
>>after the *working* patch is applied.
>>
>>
>>    
>>
>if its not *toooooo* bad then +1.. . If you mean like years then well I 
>might feel differently.
>
>  
>
>>Jason
>>
>>-----Original Message-----
>>From: Andrew C. Oliver [mailto:acoliver@apache.org] 
>>Sent: Tuesday, 4 February 2003 13:53
>>To: POI Developers List
>>Subject: Re: ExtSSTRecord [Scanned For Viruses] [Scanned For Viruses]
>>[Scanned For Viruses]
>>
>>Awesome!
>>
>><snip>
>>
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