search for: 45mb

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2017 Oct 01
2
pxelinux.0 size limits?
On Sat, Sep 30, 2017 at 08:53:09PM -0400, Gene Cumm wrote: > On Sep 30, 2017 8:47 PM, Bruce Ferrell wrote: > > > > I've recently seen something to the effect that the pxelinux.0 boot loader > > has some limit of 45MB. Is this correct or some misunderstanding? > > No, I've loaded 90MB files. The catch is often TFTP block number rollover. My first thought was: Which TFTP servers are used? ( What is the name, version and platform of TFTP server where the 45MB limit is encounter? ) ( What is the name,...
2006 Jan 14
2
slow read IO in domU
...ks read/written per second), dd''s reported speed, etc. both dom0 and domU are allocated 512MB of RAM, so reading the 1GB file should not benefit from caching. dd bs=1000000 count=1000 if=/dev/zero of=junk (sync, wait, etc) dd bs=1000000 count=1000 of=/dev/zero if=junk In dom0, I achieve 45MB/s write speed and 63MB/s read speed reasonably consistently. I guess this should be reasonable speeds for a partition on LVM on linux software raid 0 on a pair of SATA drives near the front of the disk. This speed was observed using dd output as well as dom0 vmstat. In domU, I achieve also about...
2017 Oct 01
2
pxelinux.0 size limits?
I've recently seen something to the effect that the pxelinux.0 boot loader has some limit of 45MB.? Is this correct or some misunderstanding? Thanks in advance
2009 Jul 21
2
Best Practices for PV Disk IO?
I was wondering if anyone''s compiled a list of places to look to reduce Disk IO Latency for Xen PV DomUs. I''ve gotten reasonably acceptable performance from my setup (Dom0 as a iSCSI initiator, providing phy volumes to DomUs), at about 45MB/sec writes, and 80MB/sec reads (this is to a IET target running in blockio mode). As always, reducing latency for small disk operations would be nice, but I''m not sweating it. I just wondering if anyone''s experienced similar behavior, and if they''ve found ways to improve...
2017 Oct 01
0
pxelinux.0 size limits?
...12:04 AM, Geert Stappers via Syslinux wrote: > On Sat, Sep 30, 2017 at 08:53:09PM -0400, Gene Cumm wrote: >> On Sep 30, 2017 8:47 PM, Bruce Ferrell wrote: >>> >>> I've recently seen something to the effect that the pxelinux.0 boot loader >>> has some limit of 45MB. Is this correct or some misunderstanding? >> >> No, I've loaded 90MB files. The catch is often TFTP block number rollover. > > My first thought was: Which TFTP servers are used? > ( What is the name, version and platform of TFTP server where the 45MB limit is encounter?...
2004 Sep 30
1
First game ever to use Theora!
Hi all, I would like to bring your attention to our game "Scratches" that we're developing which is using the Theora codec. We found the video quality to be great with very small files. You can see the results for yourself in this short demo (45MB) we released a few months ago: http://www.nucleosys.com/files/scratches-t2.exe http://www.cellarofrats.com/pubftp/scratches-t2.exe (Mirror) http://www.justadventure.com/IndependentDevs/Scratches/scratches-t2.exe (Mirror) However, we'll be increasing the video resolution in the final game as...
2005 Dec 20
1
want to diffrentiate the traffic
Hi i have huge traffic going to internet at this moment iam using cisco to do QoS after reading lartc i would like to shift the setup to linux can you any one tell me i have 45mb internet make 40mb for all traffic, and 5mb for voice if Voice not used 45 MB for Data any sample configuration , or example will be good to start with becoz its very high traffic .. so suggest me what server capacity i need to interms of CPU, RAM, HDD.. planning to Deploy on FC4 ram ________...
2013 Nov 12
3
[LLVMdev] Debug info: type uniquing for C++ and the status on building clang with "-flto -g"
...the cost/benefit of that feature since we cannot inject DIEs from > later CUs into prior ones). > > >> 4G MCContext >> > > What's the data in the MCContext that's relevant to debug info? > One data point on "Xalan": without -g, MCContext allocates 45MB, with -g, MCContext allocates 286MB. > > >> --> The memory usage is still too big. >> > > Do we have an idea of what size is "small enough"? It would be useful to > have a goal. > > >> So how to reduce the memory footprint at MDNode level: &...
2006 Oct 01
4
3Ware 9550SX-4LP Performance
I know there are a few 3Ware fans here and I was hoping to find some help. I just built a new server using a 3Ware 9550SX-4LP with four disks in raid 5. The array is fully initialized but I'm not getting the write performance I was hoping for -- only 40 to 45MB/Sec. 3Ware's site advertises 300MB/Sec writes using 8 disks on the PCI Express version of this card (the 9580 I think.) I'm guessing 4x PCI Express has more bandwidth but 133Mhz 64-bit PCI-X is no slouch. The only two things I need to change are to put the disks in 3GB/Sec SATA mode (th...
2014 Feb 10
1
Rsync performance with large exchange database files
...copy that back to the C >>drive >> (just the OS) for the Windows server it writes to the C drive at >>almost >> 100MB/sec over the network. >> >> If I copy directly from the server D drive to it's C drive using >>windows >> it's around 45MB/sec >> >> Inside cygwin using just the copy command I get about 35-45MB/sec >>transfer >> speed so there's a little hit just from cygwin. >> >> Using rsync to "sync" the file from the D drive to the C drive with >>the >> --progress...
2013 Nov 12
0
[LLVMdev] Debug info: type uniquing for C++ and the status on building clang with "-flto -g"
...not inject DIEs from >> later CUs into prior ones). >> >> >>> 4G MCContext >>> >> >> What's the data in the MCContext that's relevant to debug info? >> > > One data point on "Xalan": > without -g, MCContext allocates 45MB, > with -g, MCContext allocates 286MB. > OK, might be useful to understand which parts of that - maybe the Values (ints, strings, etc) themselves are being attributed to the MCContext rather than the MDNode sizes you were reporting above? Not really sure. -------------- next part -----------...
2013 Jul 30
3
SMB throughput inquiry, Jeremy, and James' bow tie
...SOs much speedier. However ProFTPd and Lighttpd throughput are both a steady ~48MB/s, just over double the SMB throughput. I've tweaked the various Windows TCP stack registry settings, WindowScaling ON, Timestamps OFF, 256KB TcpWindowSize, etc. Between two Windows machines SMB throughput is ~45MB/s. You can see from the remarks below the various smb.conf options I've tried. No tweaking thus far of either Windows or Samba has yielded any improvement, at all. It seems that regardless of tweaking I'm stuck at ~23MB/s. [global] # max xmit=65536 # socket options=TCP_NODELAY IPTOS_LOW...
2007 Aug 06
0
NUT Driver
...a loss as to what to try next. http://www.aria.co.uk/Products/Components/Power+Supplies/UPS/850VA+UPS+With+Software?productId=21111 <-- This the one I've got. I've lost the CD which came with it, but apparently it's something called Winstar Power Management software. It's some 45mb java thingy which even if I had it I obviously wouldn't want to install :) If anyone could be of any help that would be fantastic! Kind Regards, Lloyd
2017 Oct 01
0
pxelinux.0 size limits?
On Sep 30, 2017 8:47 PM, "Bruce Ferrell via Syslinux" <syslinux at zytor.com> wrote: I've recently seen something to the effect that the pxelinux.0 boot loader has some limit of 45MB. Is this correct or some misunderstanding? Thanks in advance _______________________________________________ Syslinux mailing list Submissions to Syslinux at zytor.com Unsubscribe or set options at: http://www.zytor.com/mailman/listinfo/syslinux No, I've loaded 90MB files. The catch is of...
2002 Jun 23
0
More info on rsync error - what it is not
...tinent hardware data: NIC card has Realtec 8139 chip. Motherboard has Via VT8367 chipset. IBM 80Gb, 7,200rpm disk. Software: Rsync 2.5.5-0.1 Since I discovered I was getting bad disk I/O, I tracked down a kernel patch that enabled DMA for this chipset and raised my disk I/O from 6.6Mb/sec. to 45Mb/sec. I built this kernel for both server and client on these affected machines. The results did not change the rsync errors. The application I am using is 'SystemImager'. It's a nifty package to build systems from a golden-image system. Thus, the client system I am attempting to bu...
2004 Sep 13
1
throughput of 300MB/s
Hello, are there any experiences with samba as a _really_ fast server? Assuming if the filesystem and network is fast enough, has anyone managed to get a throughput in samba of of let's say 300 MB/s ? Are there any benchmarks? regards, Martin
2006 Jan 26
0
SAMBA client extremely slow over WAN
Hello, When copying files using the RedHat Samba client over Network we experience file copy times 5 times slower than we experience with other SAMBA clients. As a test file we are using a 45MB file. Using a HPUX samba client to a windows file server it takes approximately 1 minute to copy this file. Using a windows SAMBA client also takes about 1 minute to copy the file. Using the RHEL 3.0 Samba client it takes well over 5 minutes, and sometimes up to 7 minutes to copy the same file...
2012 Apr 17
2
[LLVMdev] InstCombine adds bit masks, confuses self, others
.../CINT95/147_vortex/147_vortex 0.294 0.322 +9.6% +40mB MultiSource/Benchmarks/Olden/tsp/tsp 0.680 0.748 +9.9% +41mB SingleSource/Benchmarks/Shootout-C++/except 0.116 0.128 +10.8% +45mB SingleSource/Benchmarks/Shootout/strcat 0.102 0.113 +11.1% +46mB SingleSource/Benchmarks/Shootout-C++/hash 0.455 0.507 +11.4% +47mB External/Povray/povray 2.015 2....
2001 Jun 12
1
Memory management problem?
I just ran into the following problem. I am not sure what causes it, but here is the scenario: (1) I start R with 512Mb of memory. (I am on an Win2000 PC with 512Mb of physical memory) (2) I put a couple of small functions in my workspace and I generate two real vectors x and y of length 2^19 (542288) each. (3) I save this workspace. The size of the saved file is about 8.4Mb. (4) I run lm to
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