Displaying 13 results from an estimated 13 matches for "52mb".
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2014 May 04
1
Pulling stalls before 52MB (works via netcat)
I can push fine over ssh but pulling via rsync or scp always stalls at
about the same point which must be between 26MB and 52MB. I can pull
via netcat just fine. I've tried compiling HPN out of the install on
both the client and server and I've tried -C on the client with the
same result. I'm on Gentoo. Any ideas?
- Grant
2009 Dec 08
1
problem with split eating giga-bytes of memory
...fortunately, I can't reproduce it with the simple
self-contained example below. As you can see, splitting the artificial
dataframe of size ~13MB results in a split dataframe of ~ 144MB, with an
increase memory allocation of ~10 fold for the split object. If split scales
linearly, then my actual 52MB dataframe should be easily handled by my 12GB
of RAM, but it is not. instead, when I try to split selectSubAct.df on one
of its factors with 1473 levels, my memory is slowly gobbled up (plus 3 GB
of swap) until I cancel the operation.
Any ideas on what might be happening? Thanks, Mark
myDataFrame...
2008 Nov 01
2
Patching your own boot-disk from first principles
Hi,
I'm trying to build a bootable MSDOS disk and put it on a ISO with floppy and hard disk emulation. I want to use commonly available Linux tools like dd, losetup, mkdosfs, memdisk etc.
I have done the following:
1. dd if=/dev/zero of=myImage bs=1M count=50 [ Builds a 52MB image ]
2. losetup /dev/loop0 myImage [Links /dev/loop0 to myImage file ]
3. vi /grub/stage1; %!xxd; [ NULL the partion tablei within stage1 ];
%!xxd -r;
4. cat /grub/stage1 /grub/fat_stage1_5 > /dev/loop0 [ Puts
the GRUB boot loader into the MBR of the image and stage1_5 after
that ]...
2005 Sep 07
7
Asynchronous IO
Hi,
I have installed Xen on Linux 2.6.11.10 <http://2.6.11.10> and i am trying
to do Asynchronous Direct IO on SAS drives. The application which does the
asynchronous direct io on SAS drive is running on Domain 0. Actually the
IOPs what i get for a 512Bytes IO size is 67, but if i do the same operation
on Linux 2.6.11.10 <http://2.6.11.10> native kernel, i get 267
IOPs.Cananyone
2012 Apr 17
2
[LLVMdev] InstCombine adds bit masks, confuses self, others
...Benchmarks/Shootout-C++/hash 0.455 0.507 +11.4% +47mB
External/Povray/povray 2.015 2.246 +11.5% +47mB
External/SPEC/CINT2000/255_vortex/255_vortex 1.814 2.044 +12.7% +52mB
SingleSource/Benchmarks/Shootout-C++/heapsort 1.871 2.132 +13.9% +57mB
SingleSource/Benchmarks/Shootout-C++/ary3 1.087 1.264 +16.3% +65mB
MultiSource/Benchmarks/SciMark2-C/scimark2 27.491 23....
2012 Apr 16
0
[LLVMdev] InstCombine adds bit masks, confuses self, others
On Tue, Apr 17, 2012 at 12:23 AM, Jakob Stoklund Olesen <stoklund at 2pi.dk>wrote:
> I am not sure how best to fix this. If possible, InstCombine's
> canonicalization shouldn't hide arithmetic progressions behind bit masks.
The entire concept of cleverly converting arithmetic to bit masks seems
like the perfect domain for DAGCombine instead of InstCombine:
1) We know the
2009 Apr 12
2
Indexing speed benchmark - Xapian, Solr
I came across this benchmark between Xapian & Solr:
http://www.anur.ag/blog/2009/03/xapian-and-solr/
According to the benchmark, a doc set that took Solr 34 min to index took Xapian 7 hours. Solr's index is also much smaller - 2.5GB to Xapian's 8.9GB.
I'm new to Xapian. Just wondering if results like these are typical? Is indexing speed & size a known issue in Xapian? Or is
2012 Apr 16
5
[LLVMdev] InstCombine adds bit masks, confuses self, others
Look at this silly function:
$ cat small.c
unsigned f(unsigned a, unsigned *p) {
unsigned x = a/4;
p[0] = x;
p[1] = x+x;
return p[1] - 2*p[0];
}
GCC turns this into straightforward code and figures out the 0 return value:
shrl $2, %edi
movl %edi, (%rsi)
addl %edi, %edi
movl %edi, 4(%rsi)
movl $0, %eax
ret
LLVM optimizes the code:
$ clang -O -S -o- small.c -emit-llvm
define i32
2004 Nov 17
9
serious networking (em) performance (ggate and NFS) problem
...":
LOCAL:
(/samsung is ufs2 on /dev/ad4p1, a SAMSUNG SP080N2)
test3:~#7: dd if=/dev/zero of=/samsung/testfile bs=16k
^C10524+0 records in
10524+0 records out
172425216 bytes transferred in 3.284735 secs (52492882 bytes/sec)
->
^^^^^^^^ ~ 52MB/s
NFS(udp,polling):
(/samsung is nfs on test3:/samsung, via em0, x-over, polling enabled)
test2:/#21: dd if=/dev/zero of=/samsung/testfile bs=16k
^C1858+0 records in
1857+0 records out
30425088 bytes transferred in 8.758475 secs (3473788 bytes/sec)
->...
2008 Aug 20
44
GPL PV drivers for Windows 0.9.11-pre12
I''ve just uploaded 0.9.11-pre12 of the GPL PV drivers for Windows.
Since -pre10 (and -pre11) I''ve fixed a heap of crashes that were
plaguing xennet under load, and also rewritten the interrupt/event
distribution logic to improve performance.
Under windows 2003 I can now get network speeds of 1-2Gbit/second TX and
600Gbit/second RX, which is considerably better than I was
2008 Aug 20
44
GPL PV drivers for Windows 0.9.11-pre12
I''ve just uploaded 0.9.11-pre12 of the GPL PV drivers for Windows.
Since -pre10 (and -pre11) I''ve fixed a heap of crashes that were
plaguing xennet under load, and also rewritten the interrupt/event
distribution logic to improve performance.
Under windows 2003 I can now get network speeds of 1-2Gbit/second TX and
600Gbit/second RX, which is considerably better than I was
2008 Feb 27
30
Release 0.8.4 of GPL PV Drivers for Windows
This release fixes a BSoD on boot that some people were seeing sometimes
and other people were seeing all of the time.
http://www.meadowcourt.org/WindowsXenPV-0.8.4.zip
James
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2008 Feb 27
30
Release 0.8.4 of GPL PV Drivers for Windows
This release fixes a BSoD on boot that some people were seeing sometimes
and other people were seeing all of the time.
http://www.meadowcourt.org/WindowsXenPV-0.8.4.zip
James
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Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users