Thanks your information any how.

I am using a Quad CPU. That's why I really want two or more than two
instances.


On Wed, Feb 4, 2009 at 3:46 PM, <markleeds@verizon.net> wrote:

> There's no need to wait as long as you have the econd function fter the
> first ( the second won't
> start until the first one's finished )  but I think it's better to use
> lexical scoping by putting the second function right inside the first.
> Something like this:
>
> test1 <- function (x1)
>  {
>      x2 <- sin(x1)
>
>      test2 <- function(x2) {
>           x3<- cos(x2)
>      }
>
>       return(x3)
> }
>
>
> Then just call test1.
>
> But wait till someone else responds because I'm not an expeRt and someone
> else might
> say something more useful or different.
>
>
>
>
>
>
>
>
>  In instance B, another function "test2"
>>
>> test2 <- function (x2)
>> {
>>     x3 <- cos(x2)
>>     return(x3)
>> }
>>
>
>
>
> On Wed, Feb 4, 2009 at  9:08 AM, Feng Li wrote:
>
>  Dear R,
>>
>> I have two R instances running at the same time, say instance A and
>> instance
>> B. Is there a simpler way to pass the data in A to B?
>>
>> More precise, I have a stupid example:
>>
>> In instance A, I am running a function "test1"
>>
>> test1 <- function (x1)
>> {
>>     x2 <- sin(x1)
>>     return(x2)
>> }
>>
>> In instance B, another function "test2"
>>
>> test2 <- function (x2)
>> {
>>     x3 <- cos(x2)
>>     return(x3)
>> }
>>
>> where " test2" receives the input from "test1"'s rueslt.  "test1" and
>> "test2" could be much more complex. They may take one minute each.
>>
>> Now the whole procedure is instance A is running, while instance B is
>> waiting for the result of instance A. Once instance A is done (instance A
>> goes to run with new data), instance B should detect A is done, and
>> instance
>> B receives the parameter from instance A. B begins to work. While B is
>> done,
>> waiting for A's new results.
>>
>> I want to repeat the loop many times and get x3 in the end.
>>
>>
>> Is it possible to do this job? Thanks !
>>
>>
>> Feng
>>
>>        [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>


-- 
Feng Li
Department of Statistics
Stockholm University
106 91 Stockholm, Sweden

	[[alternative HTML version deleted]]


