Displaying 20 results from an estimated 100 matches similar to: "[LLVMdev] Behaviour of NVPTX intrinsic"
2014 Sep 30
2
[LLVMdev] Behaviour of NVPTX intrinsic
I have written test.ll as below and ran 'opt' on it as
" opt -std-compile-opts test.ll -S -o -" . But the output shows that there
is code motion around the barrier intrinsics.
test.ll
-------
; ModuleID = 'test.bc'
define void @test(i16* %I_0, i16* %I_1, i16* %I_2, i16* %I_3, i16* %O_0) {
entry:
%T_0 = load volatile i16* %I_0
%T_1 = load volatile i16* %I_1
%T_2 =
2002 Mar 29
4
Incremental backups and batch mode.
I'm trying to use the rsync algorithm for incremental backups.
After a quick look at rsync I saw the batch mode operations,
and I thought that maybe I can modify them for incremental backups.
What is needed is to add an option to save the checksums of all
the files of the level 0 backup and a second option to use the level n
checksum to calculate the delta batch files for the level n+1
2010 Aug 03
1
[LLVMdev] Replacing types, use of refineAbstractType
I'm working on a personal project which involves lowering a superset of
LLVM to "vanilla" LLVM. Part of this involves rewriting types. I'm
working off of the 2.6 code base, so this may have been addressed in a bug
fix.
I'm having trouble with refineAbstractType and recursive types.
Specifically, I'm creating opaque types to serve as placeholders for the
final
2003 Oct 05
2
Jonckheere-Terpstra test
Hello,
can anybody here explain what a Jonckheere-Terpstra test is and whether it is
implemented in R? I just know it's a non-parametric test, otherwise I've no
clue about it ;-( . Are there alternatives to this test?
thanks for help,
Arne
2012 Sep 20
1
Gummy Variable : Doubt
Hi,
I have a system in which I analyze 2 subjects and 1 variable, so I have
2 models as follow:
y ~ x_1[, 1] + x_2[, 1] + x_1[, 2] + x_2[, 2]
Where
x_1[, i] = cos(2 * pi * t / T_i)
x_2[, i] = sin(2 * pi * t / T_i)
i = 1, 2
Data have two columns: t and y.
As you can see, I have a multiple components model, with rithm and
without trends, and I have a fundamental
2014 Sep 30
2
[LLVMdev] Behaviour of NVPTX intrinsic
The actual purpose that I wanted such an intrinsic is to solve a problem
similar to this one in X86. Say I wanted to read the "mxcsr" register(which
is the status register for SSE instructions) after a particular
instruction, then I need a kind of barrier intrinsic which will not allow
the arithmetic instructions to move around it. Or else I will be reading
the status of some other
2013 Mar 21
0
how to remove changed_attributes from yaml response
Hi,
I am using attr_accessor attributes in model class and assigning the
values to attr_accessor dynamically in controller. And am sending the
data object to display in Yaml format. I am getting the response along
with changed_attributes but I don''t want changed_attributes details in
my response.
build Model code
class Test < ActiveRecord::Base
attr_accessor: t_1, t_2, t_3, t_4
end
2011 Nov 06
1
Double integration using R
Hi,
I have a function that I need to do double integration:
\int^T_0 \int^t_0 N(\delta / \sigma \sqrt(u)) (1-N(\delta / \sigma
\sqrt(u))) du dt
where N(x) is a standard normal probability of x.
I start off by writing an inner integral into a function. Meaning
\int^t_0 N(\delta,\sigma \sqrt(u)) (1-N(\delta,\sigma \sqrt(u))) du.
Then calling integrate function on this function. This
2014 Feb 26
2
[LLVMdev] How to 'define and use' a LOOP intrinsic that takes "iteration count" and the "label" to jump to ?
I have defined the intrinsic as
* def int_loop: Intrinsic<[],[llvm_i8_ty, llvm_empty_ty],[]>;*
and also got the Codegen backend support in Instructioninfo.td file.
Then created a .ll file to test it.
The .ll file is like this
*declare void @llvm.loop(i8, label)define void @fn() nounwind readnone
{entry: ..... ..... call void @llvm.loop(i8 10, label %entry) ret
void}*
But
2017 Jan 27
2
Preserving Call to Intrinsic function
Hello everyone,
Consider we have this following set of code:
int foo() {
int a,b;
a = __builtin_XX(0x11);
b = __builtin_XX(0x11);
return a+b;
}
The problem currently is that LLVM eliminated the second call and copied
the result from the first call into a new set of registers. Is there is a
way to force LLVM to generate two explicit calls to a builtin function. The
builtin takes in an integer
2009 Mar 21
5
Fisher test problem
Hi, I noted a discrepancy between R and openepi when I ran a fisher test
with the same matrix. In R:
> a=matrix(c(1,2,6,17), nrow=2)
> a
[,1] [,2]
[1,] 1 6
[2,] 2 17
> fisher.test(a, conf.int=T)
Fisher's Exact Test for Count Data
data: a
p-value = 1
alternative hypothesis: true odds ratio is not equal to 1
95 percent confidence interval:
0.02061498
2011 Jan 18
2
Counting dates in arbitrary ranges
Dear Colleagues,
I have a data set that looks as below. I'd like to count the number of dates in a series of arbitrary ranges (breaks) i.e. not pre-defined breaks such as months, quarters or years. table(format()) produces ideally formatted output, but table() does not appear to accept arbitrary ranges.
I also tried converting the dates to numeric and using histogram to try to get the data,
2014 Sep 30
2
[LLVMdev] Behaviour of NVPTX intrinsic
Have a look at how the ARM backend handles the CPSR register. It sounds like
what you're really looking for is liveness of that status register not to be
clobbered between the arithmetic instruction you're inspecting and the
instruction that reads that register.
Cheers,
Jon
On 9/30/14 12:39 PM, Jingyue Wu wrote:
> I can't think of any NVPTX intrinsic that disallow even
2013 Mar 23
1
Time trends with GAM
Hi all,
I am using GAM to model time trends in a logistic regression. Yet I would
like to extract the the fitted spline from it to add it to another model,
that cannot be fitted in GAM or GAMM.
Thus I have 2 questions:
1) How can I fit a smoother over time so that I force one knot to be at a
particular location while letting the model to find the other knots?
2) how can I extract the matrix
2011 May 15
0
Again on Data Mining
Dear All,
I have already posted before on the list about data mining and it has
proved very useful.
I have now a training dataset consisting of N objects of M<<N different
kinds (actually, M is usually 3 to 5, whereas N is of the order of 1000).
Every object has its own label L_i, i=1...N, that is known.
For each of these objects I measure some property in time (let's say I
measure it
2020 May 04
3
LV: predication
> The harm comes if the intrinsic ends up with the wrong value, or attached to the wrong loop.
The intrinsic is marked as IntrNoDuplicate, so I wasn't worried about it ending up somewhere else. Also, it is a property of a specific loop, a tail-folded vector loop, that holds even after it is transformed I think. I.e. unrolling a vector loop is probably not what you want, but even if you do
2006 May 19
0
how to estimate adding-regression GARCH Model
---------- Forwarded message ----------
From: ma yuchao <ma.yuchao@gmail.com>
Date: 2006-5-20 ÉÏÎç4:01
Subject: hello, everyone
To: R-help@stat.math.ethz.ch
Hello, R people:
I have a question in using fSeries package--the funciton garchFit and
garchOxFit
if adding a regression to the mean formula, how to estimate the model in
R? using garchFit or garchOxFit?
For example,
2006 Jan 31
0
Help with boot()
Dear List:
I'm trying to use the boot function to estimate some standard errors. I
actually programmed a bootstrap using some homebrew code and it worked
fine. But, I am trying to use the more efficient boot function. I have
placed some sample data for replication of my problem at the bottom of
this email. For the sample problem, I have 10 subjects each with 5
observations Y_t = (t_1, ...,
1998 Jan 20
1
R-beta: questions and comments
Let me first tell you that you and your cohorts are
doing a great service to the statistical community
with R. I have been working with Rseptbeta under
Win95 and I am very impressed with its capabilities.
I thought I give you some feedback gained from
my limited playing with R.
Fritz Scholz
fritz.scholz at boeing.com
=============================================================
When
2019 May 20
3
[RFC] Intrinsics for Hardware Loops
Hi,
Arm have recently announced the v8.1-M architecture specification for
our next generation microcontrollers. The architecture includes
vector extensions (MVE) and support for low-overhead branches (LoB),
which can be thought of a style of hardware loop. Hardware loops
aren't new to LLVM, other backends (at least Hexagon and PPC that I
know of) also include support. These implementations