Re: [math] Questions about sparse implementations

2009-01-27 Thread Bill Barker
"Phil Steitz" wrote in message news:497ee914.7010...@gmail.com... > Bill Barker wrote: >> I've been working on a SparseRealVector that implements RealVector but is >> backed by OpenIntToDoubleHashMap. Unlike SparseRealMatrix, the goal is >> more speed than space. Mostly it is going well, but

Re: [lang] Concurrency utils for JDK 1.5+ version

2009-01-27 Thread Ted Dunning
On Tue, Jan 27, 2009 at 8:44 AM, Russel Winder wrote: > > There is already an Apache project to "avoid shared memory to make > > application that exploit parallelism easier". That is Hadoop > (especially > > with Pig). > > Certainly Hadoop has a place -- it implements a scatter/gather > framewo

Re: [lang] Concurrency utils for JDK 1.5+ version

2009-01-27 Thread Russel Winder
Ted, On Sat, 2009-01-24 at 12:39 -0800, Ted Dunning wrote: > I know that this isn't where you are going with your comment, but I think it > actually meets the spirit of what you are trying to do, just in a more > revolutionary way than you specify. Yes and no, but that is a debate for elsewhere

Fwd: [ANN] Registration for ApacheCon Europe 2009 is now open!

2009-01-27 Thread Torsten Curdt
ApacheCon EU 2009 registration is now open! 23-27 March -- Mövenpick Hotel, Amsterdam, Netherlands http://www.eu.apachecon.com/ Registration for ApacheCon Europe 2009 is now open - act before early bird prices expire 6 February. Remember to book a room at the Möve

Re: [math] Questions about sparse implementations

2009-01-27 Thread Phil Steitz
Bill Barker wrote: I've been working on a SparseRealVector that implements RealVector but is backed by OpenIntToDoubleHashMap. Unlike SparseRealMatrix, the goal is more speed than space. Mostly it is going well, but running into a few problems where some RealVector methods are almost nonsensi

[g...@vmgump]: Project commons-betwixt (in module apache-commons) failed

2009-01-27 Thread Gump
To whom it may engage... This is an automated request, but not an unsolicited one. For more information please visit http://gump.apache.org/nagged.html, and/or contact the folk at gene...@gump.apache.org. Project commons-betwixt has an issue affecting its community integration. This iss