Displaying 20 results from an estimated 5000 matches similar to: "compilers for R on AMD64"
2006 Jun 06
1
a plead to package developers regarding GCC
Dear DevelopeRs,
I'd like to ask those who develop R packages with compiled code to please
try avoiding dependency on GCC (gcc/g77/gfortran/g++) specific features in
the code, for the simple reason that there are non-GCC compilers out there
that might choke on such features.
I found this out back when I was trying to build R-2.3.0-to-be on our dual
Opteron based Scyld cluster. Because the
2004 Apr 05
0
speed difference between pgf77 and g77 on amd64
For those interested:
I compiled R-1.9.0beta_2004-04-02 with pgf77/gcc/g++ and g77/gcc/g++, both
_without_ fast BLAS. Both passed make check-all. Simple crossprod(m) for
fairly large `m' shows that the version compiled with pgf77 is about 15%
faster:
[andy@leo:scratch]% echo "set.seed(1); m <- matrix(runif(5e7), 1e4); gc();
system.time(crossprod(m))" | R-1.9.0-PGI/bin/R
2004 Apr 02
1
problem compiling R-1.9.0beta with PGI compilers on amd64
Dear R-devel,
I'm trying to compile R-1.9.0beta (2004-03-31) with the PGI compilers
(15-day free evaluation: after the 15 days the binaries will stop working).
I'm running into some problems, that I hope some can offer pointers.
1. After configure, the FLIBS include /usr/local/lib' --- note the extra '.
I had to manually delete it in a couple of places.
In a previous thread on
2004 Jun 07
2
(low level) profiling of code
Dear R-help,
Can some one tell me how to profile compiled code dynamically loaded into R?
Here's what I tried on our dual Opteron running SUSE Linux Enterprise Server
8 (GCC 3.3):
Start with R-patched dated 2004-06-07:
(I also had MAIN_CFLAGS="-pg" in config.site.)
R is now configured for x86_64-unknown-linux-gnu
Source directory: .
Installation directory:
2004 Mar 16
2
make check failed for R-1.9.0alpha (2004-03-16) when link against Goto's BLAS
Dear all,
Has anyone seen the same problem? I tried compiling R-1.9.0 alpha
(2004-03-16) on our Opteron box running SUSE Linux ES8. I ran:
./configure --enable-R-shlib --with-blas=goto
and got:
Source directory: .
Installation directory: /usr/local
C compiler: gcc -m64 -O2 -g -msse2 -march=k8 -Wall
--pedantic
C++ compiler: g++ -m64 -O2 -g
2004 Sep 10
3
FLAC status
Hi,
How's the testing going? I compressed 194 individual .wav files
(totaling 8.54GB) which contained tracks ripped from many varied albums. I
unflacced them and compared their md5 signature with the same from the
original .wav. They were all perfect. I didn't use the -V option just in
case of any chance of mis-reporting. I hope to test it with the complete
collection of ~41GB
2004 Feb 11
3
RGui (Windows) crashes after use of a Salford Fortran DLL
Anybody out there successfully using the Salford Fortran compilers
with R?
I have created a DLL using the Salford FTN95 compiler and it works
in as far I can dyn.load it, run the routines and get the right
answers back. Unfortunately subsequently, sometime later, the
Rgui crashes (access violation I think from the DrWatson log). The
crashes depend on whether or not I paste the code as one
2004 Sep 10
2
Bug with FLAC raw encoding
On Fri, 2 Feb 2001, Josh Coalson wrote:
> sounds great. I've been thinking about adding a
> 'what uses FLAC' set of links to the web page...
> please keep me posted.
The latest version of my cue+wav splitter supports .flac files. Hope to
get it released this weekend. Will eventually be at:
www.lameb.fsnet.co.uk
It also supports .shn and .ape. I've seen shorten
2004 Sep 10
2
flac worse than shorten
I've found a wav of an entire album that shorten compresses better than
flac. Is this supposed to be possible?
wav 388,374,044
flac-6 239,109,203
shn 236,457,697
Cheers.
Mark Powell - UNIX System Administrator - The University of Salford
Academic Information Services, Clifford Whitworth Building,
Salford University, Manchester, M5 4WT, UK.
Tel: +44 161 295 5936 Fax: +44 161 295 5888
2004 Jan 09
2
debugging strange segfault
Dear R-devel,
Can anyone give me some hints on how to go about debugging a strange
segfault in my randomForest package? Here's the scoop:
A user reported segfault when running predict() in the randomForest package.
I asked for the data and code. The combination runs fine under WinXPPro,
but does give segfault on one of our Linux boxes running R (1.7.0 through
R-devel_2004-01-08) on
2007 Sep 25
1
fSeries Garch and Arfima Ox interface
Hello all,
This is a request for help from somebody who has the Ox interfaces working in R.
I am trying to get the Ox interfaces working for Arfima and Garch modelling. However, I am having several problems:
1. The link to download G at rch_v40 does not work. Does anybody have a copy to email to me please?
2. Various guides offer different instructions for installing Ox in the correct place
2004 Sep 10
2
flac worse than shorten
On Wed, 7 Feb 2001, Josh Coalson wrote:
> Mark, if it's possible, can you do me a favor...
> Try encoding the album as individual tracks and
> compare sizes. The reason I ask is because of
> the way FLAC frames are numbered in the frame
> headers (if you check the format page you'll see
> what I mean).
Sorry, I don't :( I've split into individual files and
2006 May 31
1
Running R [Broadcast]
In the R-2.3.0 directory, what do you get if you type bin/R? Does R starts
up OK, or do you get an error? What were the last few lines of output from
running configure?
Andy
_____
From: Pramod Anugu [mailto:pramod.r.anugu@jsums.edu]
Sent: Wednesday, May 31, 2006 11:23 AM
To: Liaw, Andy; 'Andrew Perrin'
Cc: r-help@stat.math.ethz.ch
Subject: RE: [R] Running R [Broadcast]
2004 Dec 14
3
make check-all failed on SLES8 for x86_64
Hi all,
I've only now noticed that on our Opteron boxes running Suse Enterprise
Server 8 that R-2.0.1 did not pass make chek-all. It bombed in
tests/lapack.R at:
> eigenok <- function(A, E, Eps = 1000 * .Machine$double.eps) {
V <- E$vect
lam <- E$values
stopifnot(abs(A %*% V - V %*% diag(lam)) < Eps, .... [TRUNCATED]
> Ceigenok <- function(A, E, Eps =
2004 Oct 31
3
strange results with dmvnorm
I am experiencing strange results using dmvnorm. I define a scaled distance
matrix from the coordinates bellow and then calculate a covariance matrix using
a spherical correlation function. Then with certain combinations of
range and sill parameters dmvnorm is returning values greater than 1. Surely
the results of dmvnorm should be in the interval 0:1 (or do I just nead a
holiday?). In addition
2003 Aug 26
4
R on Linux/Opteron?
Dear R-help:
Has anyone tried using R on the the AMD Opteron in either 64- or 32-bit
mode? If so, any good/bad experiences, comments, etc? We are considering
getting this hardware, and would like to know if R can run smoothly on such
a beast. Any comment much appreciated.
Best,
Andy
Andy Liaw, PhD
Biometrics Research PO Box 2000, RY33-300
Merck Research Labs Rahway, NJ
2004 Sep 10
1
Monkey Audio Open Source?
--- Mark Powell <M.S.Powell@salford.ac.uk> wrote:
> Thought this may be of interest to this list:
>
>
http://66.96.216.160/cgi-bin/YaBB.pl?board=general&action=display&num=995374789
>
> Down the bottom the author of Monkey's Audio claims he's going Open
> Source.
that would be great... the list of usable OS audio codecs
is pretty small and more sharing of
2004 Sep 10
1
Re: flac and pipes problems (was: Possible bug)
I'll rearrange a little and respond:
--- Mark Powell <M.S.Powell@salford.ac.uk> wrote:
> Also, when flac takes input from stdin it fails to
> fill in the wav size
> fields correctly, whereas shorten has no problems
> with this: i.e.
>...
> You can see it puts a data chunk size of zero in
> there.
>
OK, this has been fixed in CVS.
> Flac refuses
2004 Feb 23
1
DLLs and the Floating Point Control Word.
Greetings.
One for the developers I guess... I am having problems in using a
(non-recommended) Fortran compiler (Salford ftn95 Windoze), and
the crashes do seem to be associated with the ftn95-dervived DLL
changing the Floating Point Control Word. The compiler people are
suggesting (and I paraphrase!) that if R minds what the FPCW is it
is up to R to make sure it is the value it wants and
2009 Jun 19
4
Recursive partitioning algorithms in R vs. alia
Dear R-helpers,
I had a conversation with a guy working in a "business intelligence"
department at a major Spanish bank. They rely on recursive partitioning
methods to rank customers according to certain criteria.
They use both SAS EM and Salford Systems' CART. I have used package R
part in the past, but I could not provide any kind of feature comparison
or the like as I have no