Displaying 5 results from an estimated 5 matches for "aeber".
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weber
2012 Aug 10
1
Performance issues with R2.15.1 built from source on Solaris
...C systems, the "long double"
type in C is implemented very slowly in software, and it seems that it is
used for the sums done when calculating standard deviations with "sd".
Radford Neal
> Date: Wed, 8 Aug 2012 18:55:37 -0500
> From: "Eberle, Anthony" <aeber at allstate.com>
> To: <r-devel at r-project.org>
> Subject: [Rd] Performance issues with R2.15.1 built from source on
> Solaris?
> I have a question about building R (2.15.1) from source on a Solaris 10
> 64bit virtual server with 2 cores and 16GB memory that is running o...
2012 Aug 08
1
Question about R and multiple CPU's
I have a question about multiple cores and CPU's for running R. I've
been running various tests on different types of hardware and operating
systems (64 bit, 32 bit, Solaris, Linux, Windows, RV.10, .12, .15,
.15.1.) Generally speaking, it seems that for a single user and process
that R prefers to have as much resources as possible; especially memory.
I've looked at some of the r-sig
2012 Sep 16
2
Question about R performance on UNIX/LINUX with different memory/swap configurations
Does anyone have any guidance on swap and memory configuration when
running R v2.15.1 on UNIX/LINUX? Through some benchmarking across
multiple hardware (UNIX, LINUX, SPARC, x86, Windows, physical, virtual)
it "seems" that the smaller memory machines have an advantage.
Typically my organization builds their UNIX servers at a 1:1 physical
memory:swap configuration. We plan on running
2012 Aug 08
0
Performance issues with R2.15.1 built from source on Solaris?
I have a question about building R (2.15.1) from source on a Solaris 10
64bit virtual server with 2 cores and 16GB memory that is running on an
Oracle T4 server. Based on several tests I have done this configuration
has been several orders of magnitude slower than any other configuration
I've tested.
A simple test of some code to calculate the standard deviation 10000
times (simple code to
2012 Sep 16
2
Where is the R configuration file or how to override R compilers
I have a question about how one can modify or override the compilers
that R uses for package installations? Or if perhaps this configuration
is in some editable file somewhere.
Initially I built the version of R 2.15.1 on Solaris SPARC (virtual T4),
but found out the build was done as 32 bit. After some research, I
found that the pre-compiled GCC version I had only allowed for 32 bit.
I wanted