Displaying 20 results from an estimated 56 matches for "spilts".
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2020 Mar 12
0
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
On Thu, Mar 12, 2020 at 09:37:32AM +0100, David Hildenbrand wrote:
> 2. You are essentially stealing THPs in the guest. So the fastest
> mapping (THP in guest and host) is gone. The guest won't be able to make
> use of THP where it previously was able to. I can imagine this implies a
> performance degradation for some workloads. This needs a proper
> performance evaluation.
I
2008 Feb 04
1
spilting time series
I have a time series object with two columns.
a <- ts(x, frequency=1/15)
I would like to split this into two time series of the same length
(they are the same number of observations lined up time for time
already).
--
Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods. We are
2013 Mar 13
5
string split at xth position
Hi,
I have a vector of strings like:
c("a1b1","a2b2","a1b2") which I want to spilt into two parts like:
c("a1","a2","a2") and c("b1","b2,"b2"). So there is
always a first part with a+number and a second part with b+number.
Unfortunately there is no separator I could use to directly split
the vectors.. Any idea
2020 Apr 02
0
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
On Thu, Apr 02, 2020 at 04:00:05PM +0800, teawater wrote:
>
>
> > 2020?3?31? 22:07?Michael S. Tsirkin <mst at redhat.com> ???
> >
> > On Tue, Mar 31, 2020 at 04:03:18PM +0200, David Hildenbrand wrote:
> >> On 31.03.20 15:37, Michael S. Tsirkin wrote:
> >>> On Tue, Mar 31, 2020 at 03:32:05PM +0200, David Hildenbrand wrote:
> >>>>
2020 Apr 01
0
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
On 31.03.20 18:37, Nadav Amit wrote:
>> On Mar 31, 2020, at 7:09 AM, David Hildenbrand <david at redhat.com> wrote:
>>
>> On 31.03.20 16:07, Michael S. Tsirkin wrote:
>>> On Tue, Mar 31, 2020 at 04:03:18PM +0200, David Hildenbrand wrote:
>>>> On 31.03.20 15:37, Michael S. Tsirkin wrote:
>>>>> On Tue, Mar 31, 2020 at 03:32:05PM +0200,
2020 Mar 12
0
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
On Thu, Mar 12, 2020 at 03:49:54PM +0800, Hui Zhu wrote:
> If the guest kernel has many fragmentation pages, use virtio_balloon
> will split THP of QEMU when it calls MADV_DONTNEED madvise to release
> the balloon pages.
> This is an example in a VM with 1G memory 1CPU:
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 0 kB
>
> usemem --punch-holes -s -1
2020 Apr 01
0
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
On 31.03.20 18:27, Nadav Amit wrote:
>> On Mar 31, 2020, at 6:32 AM, David Hildenbrand <david at redhat.com> wrote:
>>
>> On 31.03.20 15:24, Michael S. Tsirkin wrote:
>>> On Tue, Mar 31, 2020 at 12:35:24PM +0200, David Hildenbrand wrote:
>>>> On 26.03.20 10:49, Michael S. Tsirkin wrote:
>>>>> On Thu, Mar 26, 2020 at 08:54:04AM +0100,
2005 Jun 06
3
Reading huge chunks of data from MySQL into Windows R
Dear List,
I'm trying to use R under Windows on a huge database in MySQL via ODBC
(technical reasons for this...). Now I want to read tables with some
160.000.000 entries into R. I would be lucky if anyone out there has
some good hints what to consider concerning memory management. I'm not
sure about the best methods reading such huge files into R. for the
moment I spilt the whole
2020 Mar 12
2
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
On 12.03.20 08:49, Hui Zhu wrote:
> If the guest kernel has many fragmentation pages, use virtio_balloon
> will split THP of QEMU when it calls MADV_DONTNEED madvise to release
> the balloon pages.
> This is an example in a VM with 1G memory 1CPU:
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 0 kB
>
> usemem --punch-holes -s -1 800m &
>
>
2020 Mar 12
2
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
On 12.03.20 08:49, Hui Zhu wrote:
> If the guest kernel has many fragmentation pages, use virtio_balloon
> will split THP of QEMU when it calls MADV_DONTNEED madvise to release
> the balloon pages.
> This is an example in a VM with 1G memory 1CPU:
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 0 kB
>
> usemem --punch-holes -s -1 800m &
>
>
2016 Feb 09
2
Authenticate using AD UPN name
Hey,
I am running Ubuntu Trusty 14.04.3 with samba and winbind version
4.1.6-Ubuntu. Its run in a windows domain env which is running an AD on
2008 R2 servers.
I can login just fine with using the AD accounts sam name. However, the
question is now if all machines on the domain can use the AD UPN to login
instead of the sam. I have looked around a bit and found a few old posts
about this.
This
2020 Apr 15
2
[ARM] Register pressure with -mthumb forces register reload before each call
On Wed, 15 Apr 2020 at 03:36, John Brawn <John.Brawn at arm.com> wrote:
>
> > Could you please point out what am I doing wrong in the patch ?
>
> It's because you're getting the function name by doing
> callee->getName().str().c_str()
> The str() call generates a temporary copy of the name which ceases to exist outside of this expression
> causing the
2012 Jul 24
4
ERROR : cannot allocate vector of size (in MB & GB)
Hi,
Here in R, I need to load a huge file(.csv) , its size is 200MB. [may come
more than 1GB sometimes].
When i tried to load into a variable it taking too much of time and after
that when i do cbind by groups,
getting an error like this
" Error: cannot allocate vector of size 82.4 Mb "
My requirement is, spilt data from Huge-size-file(.csv) to no. of small csv
files.
Here i will give
2019 Mar 11
2
GlobalISel: Ambiguous intrinsic semantics problem
Matt: that’s fair. We’re generally apprehensive of option 2 as well.
Eli: Yes, currently we believe that aarch64.neon.addp is the only arm64 one affected, but we don’t know how prevalent this is on other targets. Splitting it is certainly possible combined with the autoupgrader.
If disambiguating the intrinsics is the preferred solution, then I think we should also have the langref also specify
2015 Jan 20
5
[LLVMdev] Can we establish layering for the LLD libraries? Current state is a bit of a mess...
I wanted to go through and map out the layering of LLD's libraries today
and found that it's essentially impossible. I think some serious cleanup is
needed here.
Let's start with the purely link-level dependencies encoded in the CMake
build:
Curently the Core library depends on the ReaderWriter/Native library, which
links against the ReaderWriter library, which links against the Core
2016 Oct 28
0
[Xen-devel] [PATCH v6 00/11] implement vcpu preempted check
On Fri, Oct 28, 2016 at 04:11:16AM -0400, Pan Xinhui wrote:
> change from v5:
> spilt x86/kvm patch into guest/host part.
> introduce kvm_write_guest_offset_cached.
> fix some typos.
> rebase patch onto 4.9.2
> change from v4:
> spilt x86 kvm vcpu preempted check into two patches.
> add documentation patch.
> add x86 vcpu preempted check patch under xen
> add
2016 Feb 10
1
Authenticate using AD UPN name
Hi,
Thanks for answering.
Yes, the linux machines are joined to the domain through samba and are
using the AD accounts on their linux clients to logon and authenticate
through winbind.
Using the AD accounts samid to logon is just fine, the question is if its
possible to use the UPN instead of the samid to login.
Kind regards,
Björn
On Wed, Feb 10, 2016 at 2:33 PM mathias dufresne
2016 Oct 28
16
[PATCH v6 00/11] implement vcpu preempted check
change from v5:
spilt x86/kvm patch into guest/host part.
introduce kvm_write_guest_offset_cached.
fix some typos.
rebase patch onto 4.9.2
change from v4:
spilt x86 kvm vcpu preempted check into two patches.
add documentation patch.
add x86 vcpu preempted check patch under xen
add s390 vcpu preempted check patch
change from v3:
add x86 vcpu preempted check patch
change from v2:
no code
2016 Oct 28
16
[PATCH v6 00/11] implement vcpu preempted check
change from v5:
spilt x86/kvm patch into guest/host part.
introduce kvm_write_guest_offset_cached.
fix some typos.
rebase patch onto 4.9.2
change from v4:
spilt x86 kvm vcpu preempted check into two patches.
add documentation patch.
add x86 vcpu preempted check patch under xen
add s390 vcpu preempted check patch
change from v3:
add x86 vcpu preempted check patch
change from v2:
no code
2020 Apr 07
2
[ARM] Register pressure with -mthumb forces register reload before each call
If I'm understanding what's going on in this test correctly, what's happening is:
* ARMTargetLowering::LowerCall prefers indirect calls when a function is called at least 3 times in minsize
* In thumb 1 (without -fno-omit-frame-pointer) we have effectively only 3 callee-saved registers (r4-r6)
* The function has three arguments, so those three plus the register we need to hold the