On Wed, Nov 6, 2013 at 12:47 PM, Ted Dunning <ted.dunn...@gmail.com> wrote:
> Serialization of primitive maps is easy to implement since the maps pretty > much just consist of a couple of arrays. Most of the developers involved > will shy away from java serialization or any dependency on some other > framework. > > So is that really a show stopper? > Not at this time. I've actually taken Serialization IO out of the picture/code for now. fastutil works, so now I need to step back and consider whether to switch to HPPC. Gary > > > > On Wed, Nov 6, 2013 at 6:11 AM, Gary Gregory <garydgreg...@gmail.com> > wrote: > > > On Tue, Nov 5, 2013 at 11:49 PM, Gary Gregory <garydgreg...@gmail.com > > >wrote: > > > > > Thank you all for replying. > > > > > > HPPC looks promising and it's Apache 2 licensed. I'll give it a closer > > > look. > > > > > > > HPPC does not allow for serialization and even says so, odd. Now looking > at > > fastutil... > > > > Gary > > > > > > > > > > Gary > > > > > > > > > On Tue, Nov 5, 2013 at 8:59 PM, Ted Dunning <ted.dunn...@gmail.com> > > wrote: > > > > > >> Trove is GPL (last I looked). > > >> > > >> Mahout has primitive collection implementations (and is obviously > ASL). > > >> > > >> There are other implementations such as hppc (see > > >> http://labs.carrotsearch.com/hppc.html ) > > >> > > >> Mahout is a decent implementation, but I think that hppc has had a > round > > >> or > > >> two more optimization. > > >> > > >> And 150,000 entires in a table is not big for this sort of situation. > > >> Anything short of Integer.MAX_VALUE/small_factor should be fine. > > >> > > >> > > >> > > >> > > >> On Tue, Nov 5, 2013 at 5:49 PM, Bruno P. Kinoshita < > > >> brunodepau...@yahoo.com.br> wrote: > > >> > > >> > Maybe Trove's TObjectMapLong? > > >> > > > >> > [1] > > >> > > > >> > > > http://trove4j.sourceforge.net/javadocs/gnu/trove/map/TObjectLongMap.html > > >> > > > >> > > > >> > HTH, > > >> > > > >> > Bruno P. Kinoshita > > >> > http://kinoshita.eti.br > > >> > http://tupilabs.com > > >> > > > >> > > > >> > >________________________________ > > >> > > From: Gary Gregory <garydgreg...@gmail.com> > > >> > >To: Commons Developers List <dev@commons.apache.org> > > >> > >Sent: Tuesday, November 5, 2013 11:39 PM > > >> > >Subject: I need a map for long and double > > >> > > > > >> > > > > >> > >Hi All: > > >> > > > > >> > >I'm looking for a Map implementation that takes a String as a key > > and a > > >> > >long as the value (and another taking a double as the value). I'd > > >> rather > > >> > >not take the extra memory of using generic map with a Long object > > value > > >> > hit > > >> > >since the maps will have up to 150,000 entries. That would save > > me... a > > >> > meg > > >> > >for each map I am guestimating (on a 64-bit JVM). A meg here, a meg > > >> > there... > > >> > > > > >> > >I did not see anything in [collections] or Google Guava. > > >> > > > > >> > >Thoughts? > > >> > > > > >> > >Gary > > >> > > > > >> > >-- > > >> > >E-Mail: garydgreg...@gmail.com | ggreg...@apache.org > > >> > >Java Persistence with Hibernate, Second Edition< > > >> > http://www.manning.com/bauer3/> > > >> > >JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> > > >> > >Spring Batch in Action <http://www.manning.com/templier/> > > >> > >Blog: http://garygregory.wordpress.com > > >> > >Home: http://garygregory.com/ > > >> > >Tweet! http://twitter.com/GaryGregory > > >> > > > > >> > > > > >> > > > > >> > > > >> > > > > > > > > > > > > -- > > > E-Mail: garydgreg...@gmail.com | ggreg...@apache.org > > > Java Persistence with Hibernate, Second Edition< > > http://www.manning.com/bauer3/> > > > JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> > > > Spring Batch in Action <http://www.manning.com/templier/> > > > > > > Blog: http://garygregory.wordpress.com > > > Home: http://garygregory.com/ > > > Tweet! http://twitter.com/GaryGregory > > > > > > > > > > > -- > > E-Mail: garydgreg...@gmail.com | ggreg...@apache.org > > Java Persistence with Hibernate, Second Edition< > > http://www.manning.com/bauer3/> > > JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> > > Spring Batch in Action <http://www.manning.com/templier/> > > Blog: http://garygregory.wordpress.com > > Home: http://garygregory.com/ > > Tweet! http://twitter.com/GaryGregory > > > -- E-Mail: garydgreg...@gmail.com | ggreg...@apache.org Java Persistence with Hibernate, Second Edition<http://www.manning.com/bauer3/> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> Spring Batch in Action <http://www.manning.com/templier/> Blog: http://garygregory.wordpress.com Home: http://garygregory.com/ Tweet! http://twitter.com/GaryGregory
