On Sat, Feb 8, 2014, at 11:35 PM, Gerriet M. Denkmann wrote:
But using two threads takes much longer than just using one!
How could this happen?
Because now you've got two CPUs fighting over one cache line?
Optimization is hard. Throw more threads at it is not a panacea.
--Kyle Sluder
On 9 Feb 2014, at 14:57, Kyle Sluder k...@ksluder.com wrote:
On Sat, Feb 8, 2014, at 11:35 PM, Gerriet M. Denkmann wrote:
But using two threads takes much longer than just using one!
How could this happen?
Because now you've got two CPUs fighting over one cache line?
Optimization is
On Feb 9, 2014, at 00:19 , Gerriet M. Denkmann gerr...@mdenkmann.de wrote:
But I would really like to understand what I should do.
You might get a happier outcome by using a different approach that’s designed
for this sort of the thing. For example:
— One of the vector frameworks, like
On 2014 Feb 08, at 11:43, Trygve Inda cocoa...@xericdesign.com wrote:
However, if I close the window (thus closing the document) and choose to not
save, the file package at fileURL is deleted.
In order to keep a critical document from being deleted in this way, I think
you should save it in
On Feb 9, 2014, at 12:19 AM, Gerriet M. Denkmann gerr...@mdenkmann.de wrote:
The real app (which I am trying to optimise) has actually two loops: one is
counting, the other one is modifying. Which seems to be good news.
But I would really like to understand what I should do. Trial and error
On 9 Feb 2014, at 15:53, Greg Parker gpar...@apple.com wrote:
On Feb 9, 2014, at 12:19 AM, Gerriet M. Denkmann gerr...@mdenkmann.de wrote:
The real app (which I am trying to optimise) has actually two loops: one is
counting, the other one is modifying. Which seems to be good news.
But I
The 2011 WWDC Blocks and Grand Central Dispatch in practice talks about cache
line size which I believe is relevant here.
You can read my notes from that session here:
http://blog.yvs.eu.com/2013/07/blocks-and-grand-central-dispatch-in-practice/
Kevin
On 9 Feb 2014, at 08:53, Greg Parker
On 9 Feb 2014, at 15:53, Greg Parker gpar...@apple.com wrote:
On Feb 9, 2014, at 12:19 AM, Gerriet M. Denkmann gerr...@mdenkmann.de wrote:
The real app (which I am trying to optimise) has actually two loops: one is
counting, the other one is modifying. Which seems to be good news.
But I
I am having this part of code that gives me major memory leak:
SBitmapImageRep* textRep = [[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:NULL
Thank you for the comments everyone, however I think I must have phrased the
question badly. I am not looking for assistance on speeding up SQLite, more for
designing a cleaner API that works well with this. I am already pretty familiar
with SQLite and it's various options.
To try and clarify:
Begin forwarded message:
From: David Delmonte ddelmo...@mac.com
Subject: Re: Can I Hide / Show an NSTextField / NSSecureTextField in Cocoa?
Date: February 9, 2014 at 9:52:41 AM EST
To: SevenBits sevenbitst...@gmail.com
Maybe I'm misunderstanding what I need to do. Essentially, I want the user
On Feb 9, 2014, at 4:56 AM, Dany Golubitsky wrote:
I am having this part of code that gives me major memory leak:
SBitmapImageRep* textRep = [[NSBitmapImageRep alloc]
On Saturday, February 8, 2014, David Delmonte ddelmo...@mac.com wrote:
Finally, does anyone know if the Mac App Store would accept an app with
elevated permissions (admin permissions to enter a password)? (or am I
confusing things?)
Well, you still haven't explained what your app actually
Hi all,
I’m looking to add encryption support to an application I’m developing. I know
that OS X includes a number of libraries and frameworks dedicated to encryption
(such as Security.framework and OpenSSL) but I’m not sure whether I should use
them as opposed to a different library like
Il giorno 09/feb/2014, alle ore 23:33, SevenBits sevenbitst...@gmail.com ha
scritto:
I’m looking to add encryption support to an application I’m developing. I
know that OS X includes a number of libraries and frameworks dedicated to
encryption (such as Security.framework and OpenSSL) but
On Feb 9, 2014, at 2:33 PM, SevenBits sevenbitst...@gmail.com wrote:
The idea of what I’m trying to do is create some simple encrypted files on
the user’s hard drive to hold secret/confidential user data related to my
application.
How simple? If it's just passwords, or a few hundred bytes
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