Displaying 20 results from an estimated 57 matches for "sharply".
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2008 Oct 07
4
R and computer heat
Hi,
I noticed the temperature of my laptop rises sharply during execution of a
long R script that generates several hundred plots, all of them saved to
files. No screen output. Temps reached above 90 Celsius degrees in the box
and above 80 C deg in the processor. The machine turns on cooler at maximum
speed and exhaled air is really hot. Tried simila...
2004 Feb 27
1
Regular expressions & large strings (PR#6617)
...NetBSD (1.6.1 and 1.6 respectively).
Possible related (although perhaps not a bug):
function(n) {
line <- paste(as.character(trunc(runif(n)*100)),collapse=" ")
system.time( rep <- gsub("[[:space:]]", "-", line) )
}
gives rather long times rising v sharply for big strings (eg
2.2s at n=2e4, 360s at n=2e5 on AMD 1.2GHz). Other languages
aren't so slow on this task (eg n=2e5: 0.4s ruby 1.8.1, and
5.2s python 2). Doubtless my extremely-quick-hack benchmarks
aren't fair, but the difference still seems rather big.
Mark <><
2004 Jan 18
1
Public switches (AXE10) not capable of handling sustained call setup bursts on E100P
...acant public tax
office :=)
3) Each channel will continue on its own with the same
proceedure: ring for 20 sec, then hangup, ring for 20
sec, and so on.
Of course this leads to massive signalling on the
D-channel.
Result:
After one or two minutes, the number of acks from the
public switch dropps sharply. At the end there are
only messages in one direction (from asterisk to
public switch), except for some RNR (Receiver Not
Ready) message from public switch.
This leads of course to T200 timeouts, which very soon
hits 3, and the D-channe is reset (and all calls
terminated).
I can not see any weird...
2012 Apr 05
3
GSoC student application deadline
The deadline for student applications is 19:00 UTC on Friday 6th April:
http://www.google-melange.com/gsoc/events/google/gsoc2012
That's just over 36 hours away as I write this.
The deadline is sharply enforced by the melange software, and you
won't get an extension, so don't leave it until the last few seconds, as
you might have an unexpected internet outage.
There's also no need to leave it so late - if you've submitted before
then, you can update your application up to the dea...
2010 Aug 06
1
Error on random forest variable importance estimates
...many variables should eventually be used? I have made successive
runs, adding one variable at a time from the most to the least important
(not-too-correlated) variables. I then plot the error rate (err.rate) as
a function of the number of variable used. As this number increase, the
error first sharply decrease, but relatively soon it reaches a plateau .
I assume that the point of inflexion can be use to derive the minimum
number of variable to be used. Is that a sensible approach? Is there any
other suggestion? A measure of the error on "err.rate" would also here
really help. Is the...
2008 Jul 16
1
[Fwd: [Fwd: The results of iozone stress on NFS/ZFS and SF X4500 shows the very bad performance in read but good in write]]
...IHAC who would like to use Sun Fire X4500 to be the NFS server for the
backend services, and would like to see the potential performance gain
comparing to their existing systems. However the outputs of the I/O
stress test with iozone show the mixed results as follows:
* The read performance sharply degrades (almost down to 1/20, i.e
from 2,000,000 down to 100,000) when the file sizes are larger
than 256KBytes.
* The write performance remains good (roughly 1,000,000) even with
the file sizes larger than 100MBytes.
The NFS/ZFS server configuraion and the test environment...
2007 Mar 22
2
Enumerable sum oddity
Hi.
In this setup "account has_many :consultations". Can anyone explain
the following behaviour to me? Rails 1.2.2. The "sum" method should
return 0 for an empty array.
>> a = Account.find(1)
=> #<Account:0x39c80a8 @attributes={...}
>> a.consultations
=> []
>> a.consultations.sum(&:foo)
ArgumentError: wrong number of arguments (1 for 2)
2008 May 13
0
[LLVMdev] win32 assemblers and linkers for llvm
...ot;work based on project" or even "work derived from project", so
the intent is to also apply the GPL license to it, even this means lawsuits.
Even if right now the need for a native code generator for a *free as llvm*
assembler maybe is not really perceived, I think it will arise sharply when
the clang will be production ready. In that respect, if someone can adapt
the MASM templates to produce NASM directives (it is the only thing that
needs to be changed), these updates will be more than welcome.
Razvan
----- Original Message -----
From: "Anton Korobeynikov" <...
2008 May 13
2
[LLVMdev] win32 assemblers and linkers for llvm
> There's also then entire GNU toolchain, through MinGW and/or Cygwin.
Which works perfectly right now without any extra tweaking :)
--
With best regards, Anton Korobeynikov.
Faculty of Mathematics & Mechanics, Saint Petersburg State University.
2011 Apr 23
6
TC: Simple and complex configs interplay
Hello,
From a user perspective, the simple (tcpri) and complex TC configs
offers two rather distinct choices. A user can very well be OK with
only using the simple way and that''s very fine. Then again, even in
doing so, the more complex config options are available. What is the
interplay between the two as far as having some parameters configured
in both at the same time ? So far
2018 Apr 05
0
RFC: Speculative Load Hardening (a Spectre variant #1 mitigation)
...alue loaded): what guarantees that no secret info can be located on the stack or in a global variable? Or did I misunderstand the proposal?
* For x86 specifically, you explain how the low 2gb and high 2gb of address space should be protected by the OS. I wonder if this +-2gb range could be reduced sharply by letting the compiler not generate 32 bit constant offsets in address calculations, but at most a much smaller constant offset? I assume limiting that may have only a very small effect on code quality – and might potentially ease the requirements on the OS?
Thanks!
Kristof
On 23 Mar 2018, at...
2010 May 27
0
[LLVMdev] Using LLVM to compile Objective-C on an Xbox 360
Kevin,
On Thu, May 27, 2010 at 11:49 AM, Kevin Wooten <kdubb at me.com> wrote:
> To ease our development process, actually hide it completely, we are planning on leveraging the open nature of Clang and LLVM to create a driver for these platforms that first rewrites ObjC to C and then calls the platform's C compiler passing through all command line options. This way the ObjC stage
2002 Dec 06
0
Non-R question.
Hola!
I have a problem which is not strictly R, although R will be used for the
analysis.
We have data from a large investigation of drug abuse, initially
analyzed by logistic regression. But the pupils are selected by first
sampling schools, and as it happens the prevalence of use varies sharply
from school to school, so there is over-dispersion.
Now we are interested in comparing the prevalences estimated from this
study with prevalences from 3 earlier studies (93, 96, 99), which were
analysed assuming no overdispersion, withouyt investigating that issue.
For various reasons we can not g...
2004 Jul 01
0
write.table() performance.
...t;scenarios". My dataset --all numeric entries-- would
nicely fit into RAM and R would outperform SAS until... I wanted to
export the results to a .csv file using the write.table() function. For
reference, this output file was of about 30MB. Moreover, the memory
needed by R would increase sharply during the writing process.
I had a look at the code for the write.table() function and I found out
that, basically, what it does is to create a very long text string from
the data using paste() and then to print it using writeLines(). Rprof()
showed that writeLines() would only use a mere 3% o...
2006 Aug 04
0
Question regarding extrapolation
...polation of data series. It is a series of
Bond yields, I am having the yield for 1 year to 30 years. I want to find
the yield for 0.5 year and 30.5 years. I used the Langrange's Extrapolation
but the extrapolation deviates from the normal trend ( as we can see in
theoritical yield curves) very sharply, as go on increasing my years from 30
years to 35 years as well as from 1 year to 10 days(i.e. 10/365 years), on
both the ends. I am having nearly 20,000 interpolated points between 1 year
and 30 yrs. Can anybody help me in my extrapolating problem. I know this
question is not for this list and it...
2007 Apr 17
2
Use of argument '...'
Dear R list,
I've read the function writing sections on both "An introduction to R" and "R language Definition" manuals but still don't understand why the following gives an error message:
fun <- function(x, ...) x + y
fun(1, y=2)
I get:
Error in fun(1, y = 2) : object "y" not found
I'd appreciate any help in understanding this.
R version 2.4.1
2005 Nov 16
2
Downloading v4
Hi List;
I see in the 4.2 downloads area the following:
[ ] CentOS-4.2-i386-bin1of4.iso 11-Oct-2005 13:07 618M
[ ] CentOS-4.2-i386-bin2of4.iso 11-Oct-2005 13:13 635M
[ ] CentOS-4.2-i386-bin3of4.iso 11-Oct-2005 13:20 639M
[ ] CentOS-4.2-i386-bin4of4.iso 11-Oct-2005 13:22 217M
[ ] CentOS-4.2.ServerCD-i386.iso 07-Nov-2005 04:36 558M
What is the
2009 Aug 30
1
Complexity parameter in rpart
Hi all,
I'm currently using the 'rpart' function to run some regression analysis and I am at the point where I wish to prune my overfitted trees. Having read the documentation I understand that to do this requires the use of the complexity parameter. My question is how to go about choosing the correct complexity parameter for my tree? In some places
2006 Aug 09
0
Better Future, well-sunburned
$200,000 Refinance Home Loan for only $917/month at http://KFC.djk38.com Bad Credit OK!
==============================================
place left.
First we go this way." Redrick waved sharply in the direction of the
nearest hill a hundred steps from the rocks. "Got it? Let's go."
life you've led me by the nose, and I thought and bragged that I was living
something in that. It would hurt. But what do I care? In the end, they'll
2004 Apr 11
0
SIP Software video client
...ge or "do"
anything to the list of demo users in the presence list. I don't
have the time to muck with it, but looks like something that would be
worthwhile to test out against Asterisk.
Perhaps someone can compile and reply to the list with their
experiences? This looks pretty sharply written, and the fact I had
success with a Java app at all is a miracle, so maybe on a different
platform it works as expected.
JT