[math] Questions about sparse implementations

2009-01-25 Thread Bill Barker
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 nonsensical for sparse vecto

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

2009-01-25 Thread P.H.Welch
Hi Russel, > At the heart of all the problems is shared memory. Perhaps it is worth > challenging the use of shared memory models for application programming; > perhaps it is worth building new APIs that avoid shared memory in order > to make application that exploit parallelism easier for the a

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

2009-01-25 Thread Oliver Heger
The suggestion of Russel goes far beyond what I had originally imagined (and also beyond my expertise). This is surely out of scope for [lang]. My intension was to start with something smaller, which would certainly not be revolutionary, but could somewhat simplify the life of users of the jav

[g...@vmgump]: Project commons-jelly-tags-sql (in module commons-jelly) failed

2009-01-25 Thread commons-jelly-tags-sql development
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-jelly-tags-sql has an issue affecting its community integration. T