[Swift-user] SwiftR

[Ketan Maheshwari]

Hi,

I am trying to get started with SwiftR on my ubuntu box.

I installed and tested SwiftR successfully :

> library(Swift)

> basicSwiftTest()
Working in /tmp/ketan/SwiftR/swift.SsHn
Running in /tmp/ketan/SwiftR/swift.SsHn (linked to
/tmp/ketan/SwiftR/swift.local)
project=NONE cores=2 nodes=1 queue=NONE server=local
Started worker manager with pid 10837

*** Starting  test 1.1 ***

Test of local do.call(sumstuff)
local result=
[1] 4505

Test of swiftapply(sumstuff,arglist)

swiftapply to  1  arg lists.

Swift properties:
  server =
  callsperbatch = 1
  runmode = service
  tmpdir = /tmp
  workerhosts = localhost
  initialexpr =

1 Swift request files written to:
 /tmp/ketan/SwiftR/requests.P10826/R0000000
Removing  /tmp/ketan/SwiftR/requests.P10826/R0000000
Swift result:

===============

However, when trying to use a SwiftR example shown on
http://wiki.ci.uchicago.edu/SWFT/SwiftR, I am getting errors:

> add = function(x,y) {return (x*y);}
> swiftapply(add, list( list(2,3), list(3,4)))
Information about current server of type  not found
swiftapply to  2  arg lists.

Swift properties:
  server =
  callsperbatch = 1
  runmode = service
  tmpdir = /tmp
  workerhosts = localhost
  initialexpr =

2 Swift request files written to:
 /tmp/ketan/SwiftR/requests.P10826/R0000002
Error in getWorkerDir(server) :
  No SwiftR servers launched within R and no server type specified, can't
identify a likely location for a swiftR service
===========

In learning about SwiftR, my goal is to test its 'infinite' loop and
streams functionality. Does some examples demonstrating these features
exist for me to try on my local machine?


Regards,
-- 
Ketan
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