• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: Accessing array in thread safe way
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Accessing array in thread safe way


  • Subject: Re: Accessing array in thread safe way
  • From: Charles Srstka <email@hidden>
  • Date: Thu, 08 Mar 2012 14:14:06 -0600

On Mar 8, 2012, at 1:19 PM, Brian Lambert wrote:

> In many simple scenarios, especially when contention is very low,
> @synchronized will be the best choice because it's trivial to get right and
> high-performance.

@synchronized is easy-to-use, for sure, but it is far from high-performance.

The first result that Google turns up for benchmarks comparing @synchronized, mutexes, and OSSpinLocks shows @synchronized to be almost an order of magnitude slower than the competition:

http://perpendiculo.us/?p=133

Charles
_______________________________________________

Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden


  • Follow-Ups:
    • Re: Accessing array in thread safe way
      • From: Brian Lambert <email@hidden>
References: 
 >Accessing array in thread safe way (From: "Jan E. Schotsman" <email@hidden>)
 >Re: Accessing array in thread safe way (From: Charles Srstka <email@hidden>)
 >Re: Accessing array in thread safe way (From: "Jan E. Schotsman" <email@hidden>)
 >Re: Accessing array in thread safe way (From: CoGe - Tamas Nagy <email@hidden>)
 >Re: Accessing array in thread safe way (From: "Jan E. Schotsman" <email@hidden>)
 >Re: Accessing array in thread safe way (From: Brian Lambert <email@hidden>)

  • Prev by Date: Re: Accessing array in thread safe way
  • Next by Date: Re: Accessing array in thread safe way
  • Previous by thread: Re: Accessing array in thread safe way
  • Next by thread: Re: Accessing array in thread safe way
  • Index(es):
    • Date
    • Thread