Displaying 20 results from an estimated 9000 matches similar to: "name pollution"
2003 May 27
1
[RESEND] crc32 optimization
Hi Samba
I noticed that the crc32 function in lib/crc32.c is somewhat
inefficient. This little patch will reduce the inner loop from 10
instructions to 8 instructions on x86 with gcc. gcc can't figure
out this simple optimization by itself on x86.
Further optimization is possible by using the impl. in the linux 2.5 kernel, but
I don't know if it is worth it. Is crc32 common in samba?
2019 Jun 08
2
Kernel Image CRC checking
On 6/7/19 10:25 PM, H. Peter Anvin via Syslinux wrote:
>>
>> However, the CRC polynomial for zlib and the Linux kernel should both be the
>> same: 0x04c11db7.
>
> I just double-checked, and the CRC tables are indeed identical. I was pretty
> sure, because I wrote that code a long time ago...
>
Ah, it seems that zlib's CRC32 returns the binary inverse of the
2019 Jun 08
2
Kernel Image CRC checking
On 6/7/19 10:48 PM, H. Peter Anvin via Syslinux wrote:
> On 6/7/19 10:34 PM, H. Peter Anvin via Syslinux wrote:
>> On 6/7/19 10:25 PM, H. Peter Anvin via Syslinux wrote:
>>>>
>>>> However, the CRC polynomial for zlib and the Linux kernel should both be the
>>>> same: 0x04c11db7.
>>>
>>> I just double-checked, and the CRC tables are
2005 Nov 04
2
R-2.2.0 Compile problem on Slackware 10.2
Hello,
I am trying to compile R-2.2.0 on Slackware 10.2.
I did ./configure --prefix=/usr --build=i486-slackware-linux. It went
off without any problem and gave this configure status:
R is now configured for i486-slackware-linux-gnu
Source directory: .
Installation directory: /usr
C compiler: gcc -g -O2
C++ compiler: g++ -g -O2
Fortran
2018 Nov 23
1
How to concatenate Ogg in the browser JS?
I found how to build CRC32 table for Ogg in JS, if anyone interested:
function _makeCRC32Table() {
// From https://stackoverflow.com/questions/53438815/hot-to-build-crc32-table-for-ogg
const polynomial = 79764919;
const mask = 2147483648;
const CRCTable = new Uint32Array(256);
for (let i = 256; i--;) {
let char = i << 24;
for (let j = 8; j--;) {
2016 Jul 22
3
[RFC] One or many git repositories?
The build system can help, you just need to have two (sparse) checkout: one for LLVM/clang and the other for clang-tidy, and configure the build with the LLVM/clang checkout adding the clang-tidy as external.
—
Mehdi
> On Jul 22, 2016, at 1:22 PM, Piotr Padlewski via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>
> And the same thing happen to IDEs - I would not like to spend
2005 Mar 01
1
Can crc32() assume to be available at the C level?
Dear R-develers,
Antoine Lucas suggested extending my small digest package (which provides md5
and sha-1 digests of R objects, which it are serialized if needed) with a
crc32 function, and provided a fairly complete patch.
We are now wondering if we should play it safe and bundle crc32.c (plus
utils) in the digest sources (as I do with md5 and sha1), or if we can assume
that crc32 is present on
2016 Jul 22
4
[RFC] One or many git repositories?
I have one reasone why we should not moe to monolithic repository - If you
do some light stuff like clang-tidy, that don't often require syncing with
clang, but you still want to have the most recent checks, then I don't see
a solution in monolithic repository.
And this is a real issue if you only have 2 or 4 core laptop to do work.
And I guess the the build system won't solve the
2010 Nov 23
1
Understanding debugfs.ocfs2 output
This is related to the "No space on OCFS2 volume" error discussed here
this past Sep/Oct. Our Oracle support rep pointed us to Metalink note
#1232702.1 and suggested we should script something up to periodically
check the free contiguous blocks in the group chains for the volume in
question.
Reading the note, I get how to get Clusters per Group X Bits per Cluster
from the "stat
2001 Nov 29
4
openssh 2.9p2 release 8.7 security alert!!!
Hi, everyone:
My system was compromised a few days ago.
The cracker attacked the system through openssh 2.9p2 release 8.7.
I attached part of the log file.
Thanks.
Pin Lu (pin at stredo.com)
Nov 25 11:33:05 ns sshd[10627]: Disconnecting: Corrupted check bytes on
input.
Nov 25 11:33:36 ns named[10478]: Lame server on '55.254.58.211.in-addr.arpa'
(in
2003 Nov 16
2
[LLVMdev] Packages
On Sun, 2003-11-16 at 10:44, Chris Lattner wrote:
> > In other words, I'd like to take a set of bytecode files, optimize them
> > together even though they don't form a complete program, and then write
> > out the new (optimized) bytecode files. It would be preferable to write
> > them out to a single archive rather than to individual bytecode files
> >
2006 Apr 18
9
SQL Syntax Errors
Hi,
I''m running Rails on Mac OS X 10.4. I''ve installed ruby/gem from
darwinports, and then rails through gem.
I have a recurring problem where I get an SQL syntax error:
Mysql::Error: #42000You have an error in your SQL syntax; check the
manual that corresponds to your MySQL server version for the right
syntax to use near '''' at line 1: INSERT INTO
2005 Aug 08
1
Help with doing overlays plots...
I have a data frame with three columns, type (a factor with two
values: "Monolithic" and "Compositional"), size (numeric), and states
(numeric). I want to create a plot where size goes on the x-axis and
states goes on the y-axis. In this plot, I want two lines, one where
the type is "Monolithic" and one where the type is "Compositional".
I think this can
2013 May 28
3
perl 5.18
I guess perl 5.18 was released and it is causing issues
texi2html -monolithic -number-sections qemu-doc.texi
texi2html -monolithic -number-sections qemu-tech.texi
/data/dev/xen/xen-4.3-git/src/xen-build/tools/qemu-xen-traditional-dir/
texi2pod.pl qemu-doc.texi qemu.pod
pod2man --section=1 --center=" " --release=" " qemu.pod > qemu.1
qemu.pod around line 91: Non-ASCII
2013 May 28
3
perl 5.18
I guess perl 5.18 was released and it is causing issues
texi2html -monolithic -number-sections qemu-doc.texi
texi2html -monolithic -number-sections qemu-tech.texi
/data/dev/xen/xen-4.3-git/src/xen-build/tools/qemu-xen-traditional-dir/
texi2pod.pl qemu-doc.texi qemu.pod
pod2man --section=1 --center=" " --release=" " qemu.pod > qemu.1
qemu.pod around line 91: Non-ASCII
2018 Nov 16
4
How to concatenate Ogg in the browser JS?
Please see the documentation: https://xiph.org/ogg/doc/framing.html
I would encourage you to use random serial numbers, as intended, also,
as any downstream consumers of your files will face limitations similar
to the ones you are facing if they want to do anything more with them.
But before you go too far down the route of changing the serial numbers,
can you tell us what software is
2005 Oct 27
4
monolithic versus modules
I spun a new xen kernel from pristine sources using modules, had the
APCI errors and scsi timeouts.
I took pristine source and spun a monolithic kernel and everything
appears to be working.
gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)
if it matter.
xen_changeset : Wed Oct 26 11:59:13 2005 +0100 7500:20d1a79ebe31
I have had this APCI issue on this SMP Athlon with modules for a while
now.
2016 Jul 21
2
[RFC] One or many git repositories?
Monolithic is trying to solve the wrong problem - it's that simple.
Any discussion or attempt to coddle those who think it's necessary is
a waste of time. #dictator
As part of any potential migration, everyone involved must start to
accept certain changes, (large or small) to the workflow. The big
challenge here isn't technical, it's mindset. It's convincing any
group of
2016 Jul 21
3
[RFC] One or many git repositories?
FWIW, like David Chisnall, we (Azul) have a problem with rewriting
history. Our LLVM fork has O(100) changes diverging from upstream
(though our branching structure is simple), and keeping all of that
history is important.
What do people think of having one (or a set of) merge commit(s)
merging in the non-llvm projects that will be part of the new
monorepo? That's the only technique I can
2016 Jul 20
11
[RFC] One or many git repositories?
Dear all,
I would like to (re-)open a discussion on the following specific question:
Assuming we are moving the llvm project to git, should we
a) use multiple git repositories, linked together as subrepositories
of an umbrella repo, or
b) use a single git repository for most llvm subprojects.
The current proposal assembled by Renato follows option (a), but I
think option (b) will be