Re: [R] Multicore package: sharing/modifying variable accross processes

2009-10-31 Thread Jay Emerson
Renaud, Package bigmemory can help you with shared-memory matrices, either in RAM or filebacked. Mutex support currently exists as part of the package, although for various reasons will soon be abstracted from the package and provided via a new package, synchronicity. bigmemory works

[R] Multicore package: sharing/modifying variable accross processes

2009-10-30 Thread Renaud Gaujoux
Hi, I want to parallelize some computations when it's possible on multicore machines. Each computation produces a big objects that I don't want to store if not necessary: in the end only the object that best fits my data have to be returned. In non-parallel mode, a single gloabl object is