Displaying 20 results from an estimated 75 matches for "disproved".
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2006 Apr 14
1
Ext3 and 3ware RAID5
I run a decent amount of 3ware hardware, all under centos-4. There seems
to be some sort of fundamental disagreement between ext3 and 3ware's
hardware RAID5 mode that trashes write performance. As a representative
example, one current setup is 2 9550SX-12 boards in hardware RAID5 mode
(256KB stripe size) with a software RAID0 stripe on top (also 256KB
chunks). bonnie++ results look
2003 Nov 05
2
Contrast
Could anyone please explain how to set up contrasts between means in R. I want to know if "before I conduct an experiment and believe the mean for 1 and 2 will be different from means 3 and 4, Is this true?" That is what I have to prove or disprove, I thought that contrasts would be the way to go. Thanks for the help.
Igor
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2010 Aug 24
3
How to obtain seed after generating random number?
Dear all, I was doing an experiment to disprove some theory therefore
performing lot of random simulation. Goal is to show the audience that
although something has very rare chance to occur but it doesn't mean that
event would be impossible.
In this case after getting that rare event I need to show that same scenario
for multiple times to explain other audience. Hence I need to somehow
2012 Apr 05
3
[LLVMdev] SIV tests in LoopDependence Analysis, Sanjoy's patch
Hi Sanjoy,
Reading through LoopDependenceAnalysis::analyseStrongSIV(), I noticed one
problem and one confusion.
My confusion related to your naming of the two instructions as A and B.
It's consistent all through LoopDependenceAnalysis. I'd prefer something
like source and destination, so I can keep track of which is which. It
didn't matter so much when you were simply proving or
2008 Mar 20
1
[LLVMdev] Array Dependence Analysis
Wojtek,
If you like, I can help guide this SoC project.
I would also like to see if we can coordinate with Alex and Albert, who are
doing the class project here.
As a first comment, your 3 layers are a good organization but two comments:
1. Layer 1 shd also look at loop bounds and array bounds: those can be used
to disprove some deps.
2. The interface will also need to compute direction and
2018 Mar 16
2
Unable to successfully join Samba 4.8.0 or Windows 2008 R2 to a Samba 4.6.7 DC, unable to upgrade in-place
On Thu, 2018-03-15 at 16:10 -0400, Justin Foreman wrote:
> Okay. The master build worked on the join. Excellent. So it was 4.8.0 having a problem.
>
> I’ve attempted to join 2008 R2 now to 4.8.0 but it still blue screens. Should I start a new thread for clarity’s sake?
So, I think this, the upgrade issues and even the old
servicePrincipalName handling bug is all the same thing.
What
2008 May 29
3
GFS
Hello:
I am planning to implement GFS for my university as a summer project. I have
10 servers each with SAN disks attached. I will be reading and writing many
files for professor's research projects. Each file can be anywhere from 1k
to 120GB (fluid dynamic research images). The 10 servers will be using NIC
bonding (1GB/network). So, would GFS be ideal for this? I have been reading
a lot
2006 Jun 20
1
Windows 2003, Cygwin, and rsync
...up with
a crossover cable between them for a straight, dedicated 1Gb/s But it
certainly looks like rsync is not using more than a fraction of the
(theoretically) available 100Mb/s There are several other hosts
attached to the NetGear switch, and there is no "slowness" about them
(which disproved my initial hypothesis of a saturated backplane)
Is this a known rsync and/or Cygwin issue?
I also get a "cannot send long-named file" message that halted rsync
The file in question is probably a fluke, but this could happen again.
How could I get rsync to just ignore the too-long filena...
2017 Jul 17
2
An update on the DominatorTree and incremental dominators
Hi folks,
For the past month I’ve been working on improving the DominatorTree and
PostDominatorTree in LLVM. The RFC that explains the motivations and plans
can be found here:
http://lists.llvm.org/pipermail/llvm-dev/2017-June/114045.html .
Here’s a short summary of what changed upstream since posting it:
-
We switched from the Simple Lengauer-Tarjan algorithm for computing
dominators
2010 Dec 22
16
stupid ZFS question - floating point operations
I have a coworker, who''s primary expertise is in another flavor of Unix.
This coworker lists floating point operations as one of ZFS detriments.
I''s not really sure what he means specifically, or where he got this
reference from.
In an effort to refute what I believe is an error or misunderstanding on
his part, I have spent time on Yahoo, Google, the ZFS section of
2018 Mar 20
1
Unable to successfully join Samba 4.8.0 or Windows 2008 R2 to a Samba 4.6.7 DC, unable to upgrade in-place
Is there a sensible way for me to manually remove the duplicate SPNs in the mean time?
Justin
> On Mar 17, 2018, at 3:09 PM, Andrew Bartlett <abartlet at samba.org> wrote:
>
> On Sat, 2018-03-17 at 07:34 +1300, Andrew Bartlett via samba-technical
> wrote:
>> On Thu, 2018-03-15 at 16:10 -0400, Justin Foreman wrote:
>>> Okay. The master build worked on the join.
2001 Nov 17
3
2.2.2 runaway SMBD process
...becomes unkillable. The only resolution is
to reboot the server completely. This has occurred at least once when a
workstation crashed but we have not proven that this is always the case. I
was rather hoping that it was a Windoze problem to do with not having SP2
installed but this has now been disproved.
This is a serious problem. I have seen postings here before about disabling
OPLOCKS but am reticent to do this becasue of the drop in performance which
could put cracks in our arguments for using Samba in the first place. Also
I thought 2.2.2 had fixes for OPLOCK bugs!
Does anyone have any sug...
2013 Aug 08
2
[LLVMdev] How to gather data dependences
Valmico <valmico88 at gmail.com> wrote:
> I'm currently trying to develop new LLVM Pass that will generate
> simple data dependencies graph. For now I'm trying to get familiar
> with DependenceAnalysis.
> My general idea is to traverse each function (runOnFunction)
> top to bottom Instruction by Instruction, using DA.depends( I, I2, ...)
> on every Instructions
2020 Aug 30
2
PBKDF2 password hashing as in ASP.NET Core
...SHA-256. So I'm out of luck here. The different formats are no longer
relevant then.
CRYPT-SHA512 is not anywhere near as secure as PBKDF2.
But I've read and learned a lot about secure password hashing in the
past 24 hours. My initial point that PBKDF2 is the state of the art has
been disproved already. This order seems to be the case [1]:
MD5/SHA1 << SHA2 << PBKDF2 < bcrypt < scrypt < Argon2
So I've changed my plans and try to go for Argon2 now. I found support
for .NET Core [2] and Python [3].
My original question is kind of obsolete now because I also found...
2017 Aug 03
2
rnorm is not truly random used in the lm function
To whom it may concern,
I happened to run the following R code just to check the layout of the
output, but found that the code doesn't work the way I thought it should
work.
''
> lm(rnorm(100) ~ rnorm(100))
Call:
lm(formula = rnorm(100) ~ rnorm(100))
Coefficients:
(Intercept)
-0.07966
Warning messages:
1: In model.matrix.default(mt, mf, contrasts) :
the response appeared
2017 Jun 14
2
killing undef and spreading poison
1. —————
Dan,
The reasoning given below for how GVN operates seems odd to me,
Poison is an attribute of a value, just like nsw is an attribute of an operation,
So when GVN sees a pair of equal values, one of which has an extra attribute,
The proper choice for representative value is the one without the attribute,
Just like when GVN sees a pair of add operations, one of which has an
2006 Jun 29
5
Memory usage issues
Hello all,
I''m new to Mongrel and am very impressed with what I see so far. This
thing beats FastCGI hands down, and is even simpler to use than SCGI.
Great job Zed! Thanks for all the hard work.
I am a bit surprised at the memory usage patterns though. I''m not
sure if I''m doing something wrong (most likely I am), or if this is a
problem with the app I''m
2017 Jun 15
3
killing undef and spreading poison
Daniel,
Thanks for taking the time to respond.
Regarding GVN and newGVN, I recently finished a search through the
llvm-dev archives for “nsw” in the subject line, and GVN was discussed in
some of those threads [1].
In particular it was claimed that there was a right choice for GVN to make given
two ADD instructions, one with the “nsw” attribute and one without, the one
without ‘nsw’
2018 Nov 27
1
[Bug 13692] New: Coverity scan for rsync-3.1.3
https://bugzilla.samba.org/show_bug.cgi?id=13692
Bug ID: 13692
Summary: Coverity scan for rsync-3.1.3
Product: rsync
Version: 3.1.3
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P5
Component: core
Assignee: wayned at samba.org
Reporter: mruprich at
2004 Aug 06
0
status report on the Windows CE (PocketPC) ACM codec
> Which version of gcc are you using? I know that only recently has gcc
> made itself compatible with the C++ name mangling standard, whatever
> that is. I have no idea if MSVC++ is compatible with it.
It was essentially my own mistake. After the Embedded C++ IDE crashed unexpectedly,
the .lib file was no longer present in the project settings (the project had not been saved)
so all