Displaying 12 results from an estimated 12 matches for "dfas".
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2018 Oct 02
3
UTF-8 conversion speed
At CPPcon last week, I saw a talk by Bob Steagall called
"Fast Conversion From UTF-8 with C++, DFAs, and SSE Intrinsics."
Part of this talk included data from a half-dozen or so conversion
libraries... one of which was labeled "LLVM".
The LLVM converters were invariably the slowest.
On Windows, the mbtowc (or something like that) syscall was pretty good.
Steagall's converters...
2018 Oct 03
2
UTF-8 conversion speed
On 02/10/18 22:58, Friedman, Eli via llvm-dev wrote:
> On 10/2/2018 2:27 PM, via llvm-dev wrote:
>> At CPPcon last week, I saw a talk by Bob Steagall called
>> "Fast Conversion From UTF-8 with C++, DFAs, and SSE Intrinsics."
>> Part of this talk included data from a half-dozen or so conversion
>> libraries... one of which was labeled "LLVM".
>>
>> The LLVM converters were invariably the slowest.
>
> UTF conversion is not on any hot paths, as far as I k...
2003 Dec 17
4
Netbios ?
I am trying a "netstat | grep netbios" and receive nothing back. I tried "netstat | grep 139" and nothing as well. I have the correct netbios ports in /etc/services. Does anyone know to make this show up with a netstat or have those services running?
I believe this may be my problem with the mapping of samba shares to the client.
Any help would be appreciated,
Dan
2003 Dec 13
1
Mapping CIFS/Samba problem
...e.g. iptables -L, ...).
>>
>>However, my previous comments about Samba-users and domain controllers still
>>apply.
>>
>>Regards,
>>Edward
>>
>>----- Original Message -----
>>From: "COUNTERMAN, DANIEL (CONTRACTOR)" <DANIEL.COUNTERMAN@DFAS.MIL>
>>To: "Edward" <ed1901@hotmail.com>; "Tom Stoddard" <tom.stoddard@l-3com.com>;
>>"Bill Hassell" <blhconsulting@mindspring.com>
>>Sent: Wednesday, December 10, 2003 6:50 PM
>>Subject: RE: [HPADM] Mapping Samba Share to X...
2008 Feb 28
4
[LLVMdev] Google Summer of Code Idea
...to hear any feedback on these ideas, specifically, but in
no particular order, with regards the following points:
1. Is this too ambitious for a google summer of code project?
2. Would implementing any of these algorithms be tricky due to some
peculiarity of LLVM?
3. Do existing optimisations and DFAs that depend on aliasing
information interface with the alias analysis in a context sensitive
manner, or do they require rewriting?
4. Is anyone willing to mentor this project?
Me:
I am PhD student at the University of Warwick, England, where my
current research is focused on specifying compiler o...
2011 Jan 26
2
applying a set of rules to each row
All,
I would like to apply a set of rules to each row of the sample data set
below. The rule sets are the guidelines for determining an individual's
date for retirement eligibility. The rules are found in this document,
http://www.opm.gov/feddata/RetirementPaperFinal_v4.pdf. I am only
interested in the top two categories for retirement eligibility, the
CSRS and FERS plans.
The data set has
2009 Jun 07
1
Close to a 4.2 release; experimenting with Ragel alternatives
...has gotten really difficult to maintain because:
> 1.) It has to compile
> 2.) It compiles to three languages, has a couple binary gem distributions,
> and needs to work with Ruby 1.8 and 1.9, which is always a challenge
> 3.) Many reported bugs involve nondeterminism and require things DFAs like
> Ragel have a hard time doing
> 4.) Not that many people can fix bugs themselves because they don''t know
> Ragel or they don''t understand the code.
> 5.) It''s hard to tell people they can''t mix in extensions. ?Right now
> RedCloth is a black...
2008 Mar 03
0
[LLVMdev] Google Summer of Code Idea
...darn complex.
Both are amenable to the same style of offline variable optimizations
that Hardekopf, et al (Ben and a friend have been helping out with
implementation of andersen's in LLVM), and that may actually make them
usable for real world programs.
> 3. Do existing optimisations and DFAs that depend on aliasing
> information interface with the alias analysis in a context sensitive
> manner, or do they require rewriting?
It should work okay.
> 4. Is anyone willing to mentor this project?
I would.
I think you will be surprised how badly these algorithms work on even
mod...
2008 Mar 01
0
[LLVMdev] Google Summer of Code Idea
...obably is.
There are lot of smaller subprojects that would be useful for llvm
though.
> 2. Would implementing any of these algorithms be tricky due to some
> peculiarity of LLVM?
No, I don't think so. LLVM has hosted a lot of AA work already.
> 3. Do existing optimisations and DFAs that depend on aliasing
> information interface with the alias analysis in a context sensitive
> manner, or do they require rewriting?
They can benefit from context sensitive mod/ref info.
> 4. Is anyone willing to mentor this project?
I don't know :) Maybe someone from Vikram'...
2012 Nov 29
2
[LLVMdev] problem trying to write an LLVM register-allocation pass
I have a new problem: Register RBP is used in a function foo. (I am not
allocating RBP to any virtual register, the instances of RBP in function
foo are in the machine code when my register allocator starts.)
Function foo calls function bar. Register RBP is not saved across the
call, though it is live after the call. Function bar includes a virtual
register. The code that I'm using to
2012 Dec 01
0
[LLVMdev] problem trying to write an LLVM register-allocation pass
...s, nextecm[256 + 1], ecgroup[256 + 1], nummecs;
extern int tecfwd[256 + 1], tecbck[256 + 1];
extern int lastsc, *scset, *scbol, *scxclu, *sceof;
extern int current_max_scs;
extern char **scname;
extern int current_max_dfa_size, current_max_xpairs;
extern int current_max_template_xpairs, current_max_dfas;
extern int lastdfa, *nxt, *chk, *tnxt;
extern int *base, *def, *nultrans, NUL_ec, tblend, firstfree, **dss, *dfasiz;
extern union dfaacc_union
{
int *dfaacc_set;
int dfaacc_state;
} *dfaacc;
extern int *accsiz, *dhash, numas;
extern int numsnpairs, jambase, jamstate;
extern int end_of_buffer_s...
2003 Dec 16
1
Mapping Problem
All,
The Windows 2000 client is on my side of the firewall (the error message is: "remote computer is not available"), the Windows XP client is on the other side of the firewall, (the error message is: "The specified network name is no longer available"). I am able to ping both the IP address and server name of the CIFS/Samba server. I cannot perform the mapping, via Map