As difficult as it may be to manually partition a program for parallel execution, it's probably more difficult to do it automatically.
On Mon, Sep 8, 2008 at 11:43 AM, Roy A. Crabtree <[EMAIL PROTECTED]>wrote: > It is an implementation choice if not automatically expedited; > the J team can address that better than I; > subpartitioning is not a trivial task manually. > > On Mon, Sep 8, 2008 at 7:19 AM, Devon McCormick <[EMAIL PROTECTED]> > wrote: > > > Hi - > > > > I don't think this is a J issue. I've been able to make use of both > cores > > on my dual-core machine by running separate instances of J - it looks > like > > the OS handles this. Try running CPU-intensive tasks on multiple > versions > > of J simultaneously. > > > > Regards, > > > > Devon > > > > On 9/8/08, Matthew Brand <[EMAIL PROTECTED]> wrote: > > > > > > Hi All, > > > > > > I don't know much about the subject but when I look at task manager, > the > > > CPU > > > usage only goes up to 25% on the four core processsor. Is there a > > > configuration that makes J use all the cores? > > > > > > As I say, I don't know much about it but does this mean that it should > be > > > possible: > > > > > > >From > > > >http://en.wikipedia.org/wiki/J_(programming_language)<http://en.wikipedia.org/wiki/J_%28programming_language%29> > <http://en.wikipedia.org/wiki/J_%28programming_language%29> > > < > > > http://en.wikipedia.org/wiki/J_(programming_language<http://en.wikipedia.org/wiki/J_%28programming_language> > <http://en.wikipedia.org/wiki/J_%28programming_language> > > >: > > > "Being an array programming > > > language<http://en.wikipedia.org/wiki/Array_programming_language>, > > > J is very terse and powerful, and is most suited to > > > mathematical<http://en.wikipedia.org/wiki/Mathematical>and > > > statistical <http://en.wikipedia.org/wiki/Statistical> programming, > > > especially when performing operations on > > > matrices<http://en.wikipedia.org/wiki/Matrix_(mathematics)<http://en.wikipedia.org/wiki/Matrix_%28mathematics%29> > <http://en.wikipedia.org/wiki/Matrix_%28mathematics%29> > > >. > > > J is a MIMD <http://en.wikipedia.org/wiki/MIMD> language." > > > See: > > > http://en.wikipedia.org/wiki/MIMD > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > > > > > > -- > > Devon McCormick, CFA > > ^me^ at acm. > > org is my > > preferred e-mail > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > -- > Use Reply-To: & thread your email > after the first: or it may take a while, as > I get 2000+ emails per day. > -- > > Roy A. Crabtree > UNC '76 gaa.lifer# > (For TN contact, email me to set up a confirmed date/time) > voicemail inbound only > > [When you hear/read/see/feel what a y*ehudi plays/writes/sculpts/holds] > [(n)either violinist {Menuhin} (n)or writer {"The Y*ehudi Principle"} (n)or > molder (n)or older] > [you must strive/think/look/sense all of it, or you will miss the meanings > of it all] > > [EMAIL PROTECTED] Forwards only to: > [EMAIL PROTECTED] > [EMAIL PROTECTED] CC: auto to ^ > > http://musings-roy-crabtree.blogspot.com [& others] > http://www.authorsden.com/royacrabtree > http://skyscraper.fortunecity.com/activex/720/resume/full.doc > -- > (c) RAC/IP, ARE,PRO,PAST > (Copyright) Roy Andrew Crabtree/In Perpetuity > All Rights/Reserved Explicitly > Public Reuse Only > Profits Always Safe Traded > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
